Thomas Mastri, M.D.
Gastroenterology Physician · Fredericksburg, VA
Thomas Mastri, M.D. is a gastroenterology physician with a practice address in Fredericksburg, Virginia, and NPI 1073566642, issued on May 17, 2006. Check the license (Virginia 0101228933, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Thomas Mastri
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 0101228933 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2601 Fall Hill Ave, Fredericksburg, VA 22401
- Phone
- (504) 371-9696
- Enumerated
- May 17, 2006
- Record last updated
- Jan 31, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (540) 899-3805
- Medicare enrollment
- Enrolled (PECOS I20070305000356); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 536 in Virginia → Look up another NPI →
Also registered at 2601 Fall Hill Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Boniface, M.D.Gastroenterology Physician1841243441
- Sanita PiyaFamily Nurse Practitioner1891239067
- Rachel Wilcox, PHYSICIAN ASSISTANTMedical Physician Assistant1700306446
Verify Thomas Mastri in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101228933Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% more Medicare Part D claims than the average gastroenterology physician in 2024
1,410 Medicare Part D claims for 354 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. 54 claims were for opioids.
Most prescribed
- Pantoprazole Sodium349 claims
- Omeprazole274 claims
- Famotidine258 claims
- Esomeprazole Magnesium54 claims
- Sod Sulf-Potass Sulf-Mag Sulf46 claims
- Linzess45 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.
Industry payments in 2024: $567.94
28 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Fall Hill Gastroenterology Associates, Ltd.Fredericksburg, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Mastri among 536 gastroenterology physician records in Virginia
Thomas Mastri, M.D. is one of 536 gastroenterology physician records with a practice address in Virginia. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 46% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1985 · median 2001 among the 389 with a school on file
- Record last updated2014 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Virginia
There are 536 gastroenterology physician records in Virginia.
All 536 in Virginia → Every provider in Fredericksburg → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Akash Ajmera, M.D.Fredericksbrg, VA 224011366747222
- Lisanne Anders, MDFredericksburg, VA 224011568882207
- John Boniface, M.D.Fredericksburg, VA 224011841243441
- Frank Detrane, M.D.Fredericksburg, VA 224011265516686
- Narayan Dharel, MD, PHDFredericksburg, VA 224011942464102
- Farrukh Jafri, M.D.Fredericksburg, VA 224011700866472
- Dong Lee, M.D.Fredericksburg, VA 224011629048723
- Chetan Pai, D.OFredericksburg, VA 224011649488230
Common questions
What is Thomas Mastri, M.D.'s NPI number?
Thomas Mastri, M.D.'s National Provider Identifier (NPI) is 1073566642, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Mastri, M.D. located?
The NPPES record lists a practice address at 2601 Fall Hill Ave, Fredericksburg, VA, 22401. Phone: (504) 371-9696. Providers update this record themselves, so call before visiting.
How can I verify Thomas Mastri, M.D.'s license?
NPPES lists Virginia license number 0101228933, 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 Thomas Mastri, M.D. prescribe under Medicare Part D?
In 2024, Thomas Mastri, M.D. had 1,410 Medicare Part D claims for 354 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.