Gregory Robert Trimble, M.D.
Hospitalist Physician · Falls Church, VA
Gregory Robert Trimble, M.D. is a hospitalist physician with a practice address in Falls Church, Virginia, and NPI 1306064498, issued on Apr 23, 2007. Check the license (Virginia 0101243239, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Gregory Robert Trimble
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 0101243239 VA
Self-reported in NPPES; status is on the state search - Practice location
- 3300 Gallows RD, Falls Church, VA 22042
- Phone
- (703) 776-3582
- Enumerated
- Apr 23, 2007
- Record last updated
- Feb 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160629002539); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 542 in Virginia → Look up another NPI →
Also registered at 3300 Gallows RD
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Verify Gregory Robert Trimble in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101243239Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average hospitalist physician in 2024
14 Medicare Part D claims, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
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).
Gregory Robert Trimble among 542 hospitalist physician records in Virginia
Gregory Robert Trimble, M.D. is one of 542 hospitalist physician records with a practice address in Virginia. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 23% of them.
- NPI issued2007 · 23% of these records are older, 68% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2003 · median 2010 among the 426 with a school on file
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
60 hospitalist physician records list a practice address in Falls Church
They are 60 of the 3,991 NPPES records with a practice address in Falls Church, and 542 hospitalist physician records in Virginia.
All 542 in Virginia → Every provider in Falls Church → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Wali Azizi, M.D.Falls Church, VA 220421326007345
- Meredith Carter, M.D.Falls Church, VA 220421942287222
- Dev ChhabraFalls Church, VA 220421164479358
- David Duncan, MDFalls Church, VA 220421184666919
- Alicia Freedy, MDFalls Church, VA 220421154350726
- Rishi Garg, MDFalls Church, VA 220421457387409
- Brigid Gray, MDFalls Church, VA 220421093741035
- Brian Hazen, MDFalls Church, VA 220421164458121
Common questions
What is Gregory Robert Trimble, M.D.'s NPI number?
Gregory Robert Trimble, M.D.'s National Provider Identifier (NPI) is 1306064498, issued on Apr 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Robert Trimble, M.D. located?
The NPPES record lists a practice address at 3300 Gallows RD, Falls Church, VA, 22042. Phone: (703) 776-3582. Providers update this record themselves, so call before visiting.
How can I verify Gregory Robert Trimble, M.D.'s license?
NPPES lists Virginia license number 0101243239, 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 Gregory Robert Trimble, M.D. prescribe under Medicare Part D?
In 2024, Gregory Robert Trimble, M.D. had 14 Medicare Part D claims; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Gregory Robert Trimble, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.