Mary Bryson Piechowiak, MD
Internal Medicine Physician · Falls Church, VA
Mary Bryson Piechowiak, MD is an internal medicine physician with a practice address in Falls Church, Virginia, and NPI 1033603824, issued on Jun 15, 2018. Check the license (Virginia 0101277234, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Mary Bryson Piechowiak
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 0101277234 VA
A173484 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3300 Gallows RD, Falls Church, VA 22042
- Phone
- (703) 776-4001
- Enumerated
- Jun 15, 2018
- Record last updated
- Mar 24, 2023
- Fax
- (703) 776-7113
- Medicare enrollment
- Enrolled (PECOS I20240213003672); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,599 in Virginia → Look up another NPI →
Also registered at 3300 Gallows RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Bryson Piechowiak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101277234Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
298 Medicare Part D claims for 111 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Pantoprazole Sodium13 claims
- Prednisone13 claims
- Metoprolol Succinate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Inova Health Care ServicesFalls Church, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Bryson Piechowiak among 3,599 internal medicine physician records in Virginia
Mary Bryson Piechowiak, MD is one of 3,599 internal medicine physician records with a practice address in Virginia. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 81% of them.
- NPI issued2018 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2018 · median 2003 among the 2,234 with a school on file
- Record last updated2023 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
181 internal medicine physician records list a practice address in Falls Church
They are 181 of the 3,991 NPPES records with a practice address in Falls Church, and 3,599 internal medicine physician records in Virginia.
All 3,599 in Virginia → Every provider in Falls Church → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Craig Cheifetz, MDFalls Church, VA 220421366478265
- Josephine Contrino, M.D.Falls Church, VA 220421548209455
- Elias Demoz, MDFalls Church, VA 220421518937473
- Sameh Elgawly, MDFalls Church, VA 220421255346136
- Madeline Erario, MDFalls Church, VA 220421518990084
- John Feola, M.D.Falls Church, VA 220421467474882
- Joyce Fiedler, M.D.Falls Church, VA 220421730172180
- James Groninger, MDFalls Church, VA 220421881651677
Common questions
What is Mary Bryson Piechowiak, MD's NPI number?
Mary Bryson Piechowiak, MD's National Provider Identifier (NPI) is 1033603824, issued on Jun 15, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mary Bryson Piechowiak, MD located?
The NPPES record lists a practice address at 3300 Gallows RD, Falls Church, VA, 22042. Phone: (703) 776-4001. Providers update this record themselves, so call before visiting.
How can I verify Mary Bryson Piechowiak, MD's license?
NPPES lists Virginia license number 0101277234, 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.
How much does Mary Bryson Piechowiak, MD prescribe under Medicare Part D?
In 2024, Mary Bryson Piechowiak, MD had 298 Medicare Part D claims for 111 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.