Leon Pendergraph, M.D.
Internal Medicine Physician · Patuxent River, MD
Leon Pendergraph, M.D. is an internal medicine physician with a practice address in Patuxent River, Maryland, and NPI 1629056205, issued on Jan 4, 2006. Check the license (Maryland D63156, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Leon Pendergraph
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D63156 MD
Self-reported in NPPES; status is on the state search - Practice location
- 47149 Buse RD, Patuxent River, MD 20670
- Phone
- (301) 342-9503
- Enumerated
- Jan 4, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (301) 342-4718
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
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Verify Leon Pendergraph in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D63156Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
22 Medicare Part D claims, against an average of 3,176 among the 108,855 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.
Leon Pendergraph among 3,904 internal medicine physician records in Maryland
Leon Pendergraph, 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 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).
1 internal medicine physician record lists a practice address in Patuxent River
They are 1 of the 64 NPPES records with a practice address in Patuxent River, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Patuxent River → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Ikenna Ihim, MDPrince Frederick, MD 206781679955066
- Parul Jani, M.D.Prince Frederick, MD 206781174527501
- Charles Judge, M.D.Prince Frederick, MD 206781821147489
- Jonathan Lowenthal, MDPrince Frederick, MD 206781861553711
Common questions
What is Leon Pendergraph, M.D.'s NPI number?
Leon Pendergraph, M.D.'s National Provider Identifier (NPI) is 1629056205, issued on Jan 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leon Pendergraph, M.D. located?
The NPPES record lists a practice address at 47149 Buse RD, Patuxent River, MD, 20670. Phone: (301) 342-9503. Providers update this record themselves, so call before visiting.
How can I verify Leon Pendergraph, M.D.'s license?
NPPES lists Maryland license number D63156, 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 Leon Pendergraph, M.D. prescribe under Medicare Part D?
In 2024, Leon Pendergraph, M.D. had 22 Medicare Part D claims; 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.