Jeffrey M. Wharton, M.D.
Internal Medicine Physician · Gaithersburg, MD
Jeffrey M. Wharton, M.D. is an internal medicine physician with a practice address in Gaithersburg, Maryland, and NPI 1982962536, issued on May 1, 2012. Check the license (Maryland D79399, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Jeffrey M. Wharton
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D79399 MD
Self-reported in NPPES; status is on the state search - Practice location
- 655 Watkins Mill RD, Gaithersburg, MD 20879
- Phone
- (240) 633-4000
- Enumerated
- May 1, 2012
- Record last updated
- May 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (410) 339-5691
- Medicare enrollment
- Enrolled (PECOS I20150901001340); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
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Verify Jeffrey M. Wharton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D79399Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,680 Medicare Part D claims for 590 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 240 claims were for opioids.
Most prescribed
- Atorvastatin Calcium927 claims
- Metformin Hcl358 claims
- Amlodipine Besylate333 claims
- Lisinopril317 claims
- Losartan Potassium293 claims
- Levothyroxine Sodium251 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
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey M. Wharton among 3,904 internal medicine physician records in Maryland
Jeffrey M. Wharton, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 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 2012, is newer than 69% of them.
- NPI issued2012 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2003 among the 2,445 with a school on file
- Record last updated2021 · 59% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
67 internal medicine physician records list a practice address in Gaithersburg
They are 67 of the 2,580 NPPES records with a practice address in Gaithersburg, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Gaithersburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Julie Chen, M.D.Gaithersburg, MD 208791629048467
- Jose De Leon Carpio, MDGaithersburg, MD 208791275682320
- Lingling Gao, D.O.Gaithersburg, MD 208791285959932
- Jean Hou, MDGaithersburg, MD 208791750442273
- Shailini Jain, MDGaithersburg, MD 208791588711022
- Supriya Janakiraman, M.D., M.P.H.Gaithersburg, MD 208791114361672
- Poonam Maru, DO, FACPGaithersburg, MD 208791780974329
- Joseph McClain, M.D.Gaithersburg, MD 208791194968297
Common questions
What is Jeffrey M. Wharton, M.D.'s NPI number?
Jeffrey M. Wharton, M.D.'s National Provider Identifier (NPI) is 1982962536, issued on May 1, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey M. Wharton, M.D. located?
The NPPES record lists a practice address at 655 Watkins Mill RD, Gaithersburg, MD, 20879. Phone: (240) 633-4000. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey M. Wharton, M.D.'s license?
NPPES lists Maryland license number D79399, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jeffrey M. Wharton, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey M. Wharton, M.D. had 7,680 Medicare Part D claims for 590 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.