NPPES file of Aug 9, 2026

Grace Marie Tewkesbury, MD

Diagnostic Radiology Physician · Arlington, VA

Grace Marie Tewkesbury, MD is a diagnostic radiology physician with a practice address in Arlington, Virginia, and NPI 1447719778, issued on Mar 16, 2019. Check the license (Virginia 0101285641, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447719778
Name
Grace Marie Tewkesbury
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
0101285641 VA
Self-reported in NPPES; status is on the state search
Practice location
1701 N George Mason Dr, Arlington, VA 22205
Phone
(703) 558-6730
Enumerated
Mar 16, 2019
Record last updated
Apr 6, 2025
Medicare enrollment
Enrolled (PECOS I20250819000011); accepts Medicare assignment
Medical or professional school
Emory University School Of Medicine, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1701 N George Mason Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brian Agyeman, PHARM.D.Pharmacist1760139943
  2. Mushfique Ahmed, MDAnesthesiology Physician1013334978
  3. Bonnie Ahn, M.D.Diagnostic Radiology Physician1528220985
  4. Usman Akhtar, M.D.Internal Medicine Physician1447583117
  5. Sonia AminObstetrics & Gynecology Physician1548722424
  6. William Anderson Iii,, M.D.Family Medicine Physician1447278734

Verify Grace Marie Tewkesbury in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101285641
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Northern Virginia Radiology Consultants, PLLCArlington, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Grace Marie Tewkesbury among 1,158 diagnostic radiology physician records in Virginia

Grace Marie Tewkesbury, MD is one of 1,158 diagnostic radiology physician records with a practice address in Virginia. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 90% of them.

  • NPI issued2019 · 90% of these records are older, 7% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2019 · median 2004 among the 786 with a school on file
  • Record last updated2025 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Virginia

There are 1,158 diagnostic radiology physician records in Virginia.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Bonnie Ahn, M.D.Arlington, VA 222051528220985
  2. Joseph Backer, MDArlington, VA 222051376517466
  3. Neal Desai, M.D.Arlington, VA 222051376742379
  4. Russell McWey, MDArlington, VA 222051952375032
  5. Claude Raphael, MDArlington, VA 222051356363980
  6. Matthew Sandusky, MDArlington, VA 222051972711026
  7. Frederick Schwab, MDArlington, VA 222051417921594
  8. John Vance, MDArlington, VA 222051356315444

Common questions

What is Grace Marie Tewkesbury, MD's NPI number?

Grace Marie Tewkesbury, MD's National Provider Identifier (NPI) is 1447719778, issued on Mar 16, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Grace Marie Tewkesbury, MD located?

The NPPES record lists a practice address at 1701 N George Mason Dr, Arlington, VA, 22205. Phone: (703) 558-6730. Providers update this record themselves, so call before visiting.

How can I verify Grace Marie Tewkesbury, MD's license?

NPPES lists Virginia license number 0101285641, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.