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JOHNSTON, SAMANTHA

UEI: DMCQNNDYJXU5

JOHNSTON, SAMANTHA is a federal contractor, registered under UEI DMCQNNDYJXU5. It has been awarded $20,889 in federal contracts. Primary work spans Diagnostic Imaging Centers. Top awarding agencies include Department Of Health And Human Services.

Contact Information

Registration and classification details

Registration

UEI Code

DMCQNNDYJXU5

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

AI Capability Profile

Samantha Johnston provides specialized medical imaging services, specifically focusing on diagnostic radiology technician support. Technical expertise includes the delivery of radiology technician services within clinical environments to support diagnostic imaging requirements. The contractor works...

Key performance metrics

Award counts and award dollars by type, as prime and as subcontractor.

Awards Count

2

All time

Active

0

Currently performing

Completed

2

Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

Sub · all time

Grants

Prime · all time

Subgrants

Sub · all time

Award analytics

Awards by agency, industry, year, award type, size, and place of performance.

Awards by Agency

Department Of Health And Human Services$20.9K100%

Awards by NAICS

621512 - Diagnostic Imaging Centers$20.9K100%

Awards by Agency Over Time

Awards by Place of Performance

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Advanced Dental Imaging ServicesThis subcontract for Advanced Dental Imaging Services supports prime contractors working on California Department of Corrections and Rehabilitation facility projects. The selected provider will deliver high-resolution diagnostic imaging, such as digital radiography and CBCT, to identify pulp and root structure issues in accordance with standard care protocols. All diagnostic images and radiographs must be delivered directly to the treating endodontist. To qualify for this engagement, providers must hold a valid California medical or dental imaging license and maintain strict HIPAA compliance. The solicitation was posted on November 6, 2026, with a response deadline of November 28, 2026. This opportunity falls under NAICS code 621512 and is managed through the state of California.

California Department of Corrections & Rehabilitation

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DEADLINE

Mammography Interpretation ServicesThis subcontract opportunity is for the provision of specialized interpretation services for screening and diagnostic mammography exams at Rosebud IHS Hospital, supporting prime contractors for the Great Plains Area Indian Health Service. The selected provider must deliver final written interpretations using image storage and reporting systems that comply with ACR, HIPAA, and FDA standards. Eligible candidates must be Board-certified radiologists with specific mammography privileges and are required to obtain FBI fingerprinting and LEIE clearance. This is a total Small Business Set Aside under NAICS code 621512, with a response deadline of November 10, 2026.

Great Plains Area Indian Health Svc

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Multi-Modality Radiology Interpretation ServicesThis subcontract for Multi-Modality Radiology Interpretation Services supports prime contractors at the Rosebud Indian Health Service Hospital under the Department of Health and Human Services. The scope of work involves providing professional interpretation of radiographic and medical images, including routine and emergency interpretations, wet readings, and the delivery of final written reports and critical result notifications. All services must be performed using systems that are ACR, HIPAA, and FDA compliant with HL7 format capabilities. The opportunity is designated as a total Small Business Set Aside under NAICS code 621512. Qualified providers must employ Board-certified radiologists who have successfully passed FBI fingerprinting and LEIE clearance. The performance of these services is located in Rosebud, South Dakota.

Great Plains Area Indian Health Svc

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Firm Fixed-Price, Non-Personal Health Care Services for Radiology Interpretation Services at the Rosebud IHS Hospital, Rosebud, South Dakota.

Solicitation # 75H70626Q00105

The Great Plains Area Indian Health Service is soliciting quotations for a firm-fixed-price contract to provide non-personal healthcare radiology interpretation services at the Rosebud Comprehensive Health Care Facility in Rosebud, South Dakota. This acquisition is a 100 percent small business set-aside under NAICS code 621512. The contract period of performance is one year from the date of award, with the government utilizing a lowest price technically acceptable (LPTA) award method. The scope of work includes the interpretation of various modalities, including CT, CTA, CTAP, ultrasound, x-ray, and mammography exams, with specific requirements for 24/7 radiologist availability for telephone consultations. Technical requirements mandate strict turnaround times, with routine interpretations due within 24 hours and emergency interpretations required within 2 hours, including a 20-minute window for critical result notifications. The contractor must utilize ACR, HIPAA, and FDA compliant image storage and reporting systems and adhere to DICOM part 14 and HL7 standards. Personnel must undergo FBI fingerprint screening, be cleared from the HHS Office of Inspector General List of Excluded Individuals/Entities (LEIE), and complete mandatory training on protecting children from sexual abuse. Quotations are due by November 10, 2026, and must include technical descriptions, pricing, and evidence of board certification and malpractice insurance.

Great Plains Area Indian Health Svc

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Q522--3T Mobile MRI Trailer and Technologist Services

Solicitation # 36C24827Q0018

The Department of Veterans Affairs, Network Contracting Office 8, is soliciting quotations for 3T Mobile Magnetic Resonance Imaging (MRI) services to support the Miami VA Healthcare System at the William Bill Kling Department of VA Clinic in Sunrise, Florida. This procurement is a 100% Service-Disabled Veteran-Owned Small Business (SDVOSB) set-aside. The selected contractor must provide a mobile 3T MRI trailer, five years old or newer, equipped with a scanner, acquisition and processing station, high-performance gradient system, power injector for intravenous contrast, and an ADA-compliant aluminum lift assembly. Additionally, the contractor must provide a minimum of three technologists, including two ARRT-certified MRI technologists for onsite services and one designated backup, ensuring replacement coverage is provided within two hours of any absence. The contract structure consists of a one-year base period with four one-year option periods, with a total potential performance period from April 15, 2027, to April 14, 2032. Award will be based on the most advantageous quote, where technical capability and past performance are significantly more important than price. Evaluation subfactors include candidate qualifications and experience, the company staffing plan, equipment delivery and installation, and service plans for maintenance. Contractors must adhere to strict quality standards, including American College of Radiology guidelines, VHA directives for safety and credentialing, and HIPAA privacy regulations. Performance will be monitored via a Quality Assurance Surveillance Plan involving direct observation and periodic inspections.

248-NETWORK Contract Office 8 (36C248)

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Diagnostic Medical Physics Testing and Quality AssuranceThis subcontract opportunity with the Department of Veterans Affairs involves providing diagnostic medical physics testing, calibration, and quality assurance for imaging equipment at VA medical centers. The selected provider will perform physics surveys and technical verifications to ensure all imaging modalities comply with federal, state, and VA safety standards, ultimately delivering certified test reports and necessary compliance documentation. The project is set aside for Service-Disabled Veteran-Owned Small Businesses under NAICS code 621512. Qualified candidates must employ Board Certified Medical Physicists who hold valid Florida state licensure. The response deadline for this requirement is November 17, 2026, with performance centered in the 32608 zip code area.

248-NETWORK Contract Office 8 (36C248)

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DEADLINE

H265--DIAGNOSTIC IMAGING EQUIPMENT TESTING

Solicitation # 36C24827Q0077

The Department of Veterans Affairs, Network Contracting Office 8, is soliciting bids for Diagnostic Medical Physics Services to support the North Florida/South Georgia Veterans Health System. This requirement, identified by solicitation number 36C24827Q0077, is specifically set aside for Service-Disabled Veteran-Owned Small Businesses (SDVOSB) under NAICS code 621512. The primary objective is to provide essential physics testing for diagnostic imaging equipment to ensure operational safety and compliance across multiple facilities, including the Malcom Randall VA Medical Center and various Outpatient Clinics in Gainesville, Lake City, The Villages, and Jacksonville, Florida. The scope of work involves comprehensive testing of a diverse range of imaging equipment, including CT scanners, MRI machines, X-ray systems, and C-Arms used across radiology, anesthesiology, cardiology, dental, and surgical departments. Interested offerors must submit their responses by November 17, 2026, at 4:30 PM Eastern Time. The contract will be administered by the Network Contracting Office 8 located in Gainesville, Florida, with the primary point of contact being Contract Specialist Cesar O. Sanchez-Amaro.

248-NETWORK Contract Office 8 (36C248)

POSTED

DEADLINE

ICE TELERADIOLOGY SERVICES

Solicitation # 70CDCR26R00000016

Solicitation 70CDCR26R00000016 is a request for proposal for teleradiology services to support the Immigration and Customs Enforcement Health Service Corps. The contract is a Firm Fixed Price Indefinite Delivery Indefinite Quantity vehicle with a minimum guaranteed value of 500,000 dollars. The period of performance consists of a 12-month base period followed by four 12-month option periods. This procurement is a total small business set-aside and requires the contractor to provide comprehensive digital imaging services, including the delivery, installation, and maintenance of digital X-ray equipment and remote radiologist interpretations for tuberculosis screening and general medical assessments for detainees across various facilities. The government will utilize a two-step evaluation process based on a trade-off determination to achieve best value. The first factor is a go/no-go assessment of the product offering, followed by trade-off evaluations of technical capability, past performance and experience, and price, with non-price factors weighted more heavily. Key requirements include board certification by the American Board of Radiology, adherence to DHS and NIST cybersecurity standards, and compliance with unbiased AI principles. Deliverables include a post-award conference within 10 business days and a transition-in plan within 15 business days of award. Following several extensions, the final proposal submission deadline is December 1, 2026.

Detention Compliance And Removals

POSTED

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Diagnostic Imaging & Screening ServicesThis subcontract for Diagnostic Imaging and Screening Services supports prime contractors on OSSE-DOT projects for the District of Columbia's Special Education Transportation agency. The scope of work involves providing comprehensive tuberculosis testing, specifically the administration of PPD skin tests and the performance of chest X-ray imaging. To ensure medical compliance, the provider must utilize licensed medical imaging facilities and qualified technicians to operate the necessary X-ray machinery and medical supplies. The selected provider is responsible for the delivery of all diagnostic results and detailed reports to either the prime contractor or the governing agency. This opportunity falls under NAICS code 621512 and was posted on November 4, 2026, with a response deadline of November 12, 2026.

Special Education Transportation (SET)

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DEADLINE

Medical Imaging Provider (Radiology/Diagnostics)This subcontract opportunity is for a Medical Imaging Provider to support prime contractors conducting employee evaluations for the Illinois State Police. The selected provider will be responsible for performing X-ray, MRI, and CT imaging tests as requested by evaluating physicians, ensuring the delivery of high-quality diagnostic images and corresponding radiologist reports. Eligible candidates must operate a certified imaging center or radiology clinic equipped with specialized radiology equipment and maintain valid medical malpractice insurance. This opportunity falls under NAICS code 621512 and is managed by the Illinois Administration agency, with a response deadline set for November 23, 2026.

ADMIN493 - Administration

POSTED

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Cardiac Monitoring Services

Solicitation # 66600-2627-274

The County of San Mateo is soliciting proposals for Cardiac Monitoring Services to support the San Mateo Medical Center in detecting and evaluating cardiac arrhythmias. The selected vendor will provide a comprehensive, HIPAA-compliant solution featuring FDA-cleared wearable electrocardiogram monitoring devices, patient instructions, diagnostic reporting, and technical support, with a specific requirement for integration into the EPIC system. Proposals are due by December 2, 2026, and must be submitted electronically via the OpenGov portal. The award will be granted to the responsive proposer offering the best overall value, with evaluation based on firm qualifications and price. Preferential scoring is available for local, small, and micro businesses or non-profits. The contract requires the vendor to operate as an independent contractor and adhere to strict regulatory standards, including the Americans with Disabilities Act and Section 504 of the Rehabilitation Act. Key administrative requirements include registration with the System for Award Management (SAM), compliance with the SMMC Vendor Credentialing Program, and the maintenance of cyber liability insurance for those accessing county data. The agreement stipulates that all contract materials become the property of the County and mandates a non-discrimination policy with liquidated damages of 2,500 dollars per violation. Proposers must provide a detailed technical proposal, including a project approach, a proposed schedule, and a separate fee proposal.

POSTED

DEADLINE

NHS LLR & Northamptonshire ICBs - Lung Cancer Screening (MECSS Framework)

Solicitation # ocds-h6vhtk-06d940

The NHS Leicester, Leicestershire and Rutland Integrated Care Board is soliciting proposals for the delivery of a comprehensive end-to-end Lung Cancer Screening Programme covering Leicester, Leicestershire, Rutland, and Northamptonshire. This initiative is designed for eligible current and former smokers between the ages of 55 and 74, focusing on early detection and improved patient outcomes through a structured clinical pathway. The scope of the service encompasses the entire patient journey, including the identification and invitation of participants, the conduct of lung health checks, and the provision of low dose CT scanning. Additionally, the contract requires professional image reporting, ongoing surveillance activity, and full pathway management to ensure seamless care for all participants within the designated regions.

NHS Leicester, Leicestershire and Rutland Integrated Care Board

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DEADLINE

Clinical Radiology Interpretation for Lumbar Spine StudyThis subcontract, titled Clinical Radiology Interpretation for Lumbar Spine Study, involves providing professional clinical interpretations of specialized lumbar spine MRI scans for prime contractors supporting Department of Veterans Affairs medical center projects. The scope of work requires licensed radiologists to review and interpret imaging data from both weight-bearing and supine scans utilizing radiology reporting software and PACS. To ensure data security and privacy, the contractor must maintain strict HIPAA compliance for the de-identification of patient data. The final deliverables consist of de-identified PDF clinical interpretation reports, which must be submitted within two weeks of the initial scan date. This opportunity is associated with NAICS code 621512 and is managed under Rpo East for the Department of Veterans Affairs.

Rpo East (36C24E)

POSTED

DEADLINE

Weight-Bearing and Supine Lumbar MRI ScanningThis subcontract involves providing specialized lumbar spine MRI scanning services for prime contractors at the Clement J. Zablocki VA Medical Center under the Department of Veterans Affairs. The scope of work requires the performance of both supine and weight-bearing scans in seated or standing positions to facilitate body weight loading. To meet these requirements, the provider must utilize MRI equipment capable of upright imaging and maintain a private room dedicated to whole-body vibration exposure. All procedures must be conducted by certified MRI technologists to ensure clinical accuracy. The final deliverables for this contract consist of raw imaging data and de-identified PDF reports. This opportunity is categorized under NAICS code 621512 and is managed by the Rpo East office.

Rpo East (36C24E)

POSTED

DEADLINE

Q522--Teleradiology Services â€“ Dallas (549)

Solicitation # 36C25727Q0077

The Department of Veterans Affairs, Network Contract Office 17, is conducting market research through a Sources Sought Notice to identify qualified Service-Disabled Veteran-Owned Small Businesses (SDVOSB) capable of providing remote teleradiology physician services for the Dallas VA North Texas Healthcare System. The scope of work involves the interpretation of diagnostic imaging exams, including General Radiology, CT, MRI, and Ultrasound, covering both STAT and routine readings. The place of performance is remote, with the ordering station located at 4500 S. Lancaster Road, Dallas, TX 75216. Contractor physicians must be board certified and hold full, unrestricted US state medical licenses. Services must adhere to American College of Radiology (ACR) and Joint Commission (TJC) standards, as well as HIPAA and VHA Directive 1088 for patient notification. Performance is monitored via a Quality Assurance Surveillance Plan with strict benchmarks, including a 98 percent timeliness rate for reports and 100 percent compliance for provider qualifications and privacy standards. Interested vendors must submit their company capabilities, experience with federal facilities, and feedback on the draft Performance Work Statement by November 13, 2026.

257-NETWORK Contract Office 17 (36C257)

POSTED

DEADLINE

AJ11--Supine to Seated or Standing Lumbar Spine MRI Scan Services

Solicitation # 36C24E27Q0011

The Department of Veterans Affairs Regional Procurement Office East is conducting market research through a Sources Sought Notice to identify qualified providers for specialized lumbar spine magnetic resonance imaging (MRI) scan services. This effort supports a VA research study involving approximately 39 participants over a four-year period, tentatively starting January 1, 2027. The required services include both supine and weight-bearing (standing or seated) MRI scans, with a preference for equipment that allows imaging in both positions without the subject exiting the scanner. Each participant will undergo a pre- and post-whole body vibration MRI series, with each series limited to 60 minutes. To be eligible, the contractor must be located within 100 miles of the Clement J. Zablocki VA Medical Center in Milwaukee, Wisconsin. Key requirements include providing certified MRI technologists, a private room for whole-body vibration exposure, and clinical interpretations by licensed radiologists. De-identified PDF reports must be delivered within two weeks of the scan, and all imaging data must be transferred via VA-approved secure methods. Under NAICS code 621512, the government is seeking information from both small and large businesses to determine potential socioeconomic set-asides. Interested parties must submit a capability statement, relevant experience from the last five years, and company registration details to the contracting officer by November 10, 2026.

Rpo East (36C24E)

POSTED

DEADLINE

NIOSH-Standard Chest X-Ray ServicesThis subcontract for NIOSH-Standard Chest X-Ray Services involves providing chest X-rays and radiologic interpretations for prime contractors working on projects for the Pennsylvania Office of Attorney General. The service provider must utilize equipment that meets National Institute for Occupational Safety and Health requirements for coal miner's pneumoconiosis and adhere strictly to NIOSH development standards. A critical requirement of the contract is the employment of a NIOSH-qualified B reader physician to handle all interpretations. The selected contractor is responsible for delivering both the original X-ray results and the corresponding B-reader reports. This opportunity falls under NAICS code 621512 and was posted on November 3, 2026, with a response deadline of November 16, 2026.

Office of Attorney General

POSTED

DEADLINE

Advanced GI Interoception Diagnostic ServicesThe Advanced GI Interoception Diagnostic Services subcontract supports prime contractors on research projects for the National Institutes of Health and the National Institute of Diabetes and Digestive and Kidney Diseases. The scope of work involves the supply and operation of specialized diagnostic technologies to measure gastrointestinal function, specifically focusing on advanced motility testing and imaging to analyze signals from vagal sensory structures and luminal sensors. These services utilize proprietary interoception sensing hardware and high-resolution manometry to deliver critical diagnostic data and imaging reports. Compliance requires that all medical devices used in human subjects obtain necessary FDA clearance. This opportunity falls under NAICS code 621512 and was posted on November 3, 2026, with a response deadline of March 5, 2027. The project is managed under the Department of Health and Human Services.

National Institutes Of Health

POSTED

DEADLINE