Douglas E. Leaman, M.D.
Family Medicine Physician · Lancaster, PA
Douglas E. Leaman, M.D. is a family medicine physician with a practice address in Lancaster, Pennsylvania, and NPI 1295866119, issued on Mar 9, 2007. Check the license (Pennsylvania MD430975, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Douglas E. Leaman
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD430975 PA
Self-reported in NPPES; status is on the state search - Practice location
- 515-B Hershey Ave., Lancaster, PA 17603
- Phone
- (717) 299-6372
- Enumerated
- Mar 9, 2007
- Record last updated
- Apr 8, 2026
- Fax
- (717) 397-8881
- Medicaid ID
- 1019178820001 PA
- Medicare enrollment
- Enrolled (PECOS I20081113000103); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Verify Douglas E. Leaman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD430975Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average family medicine physician in 2024
3,592 Medicare Part D claims for 124 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 47 claims were for opioids.
Most prescribed
- Atorvastatin Calcium183 claims
- Metformin Hcl181 claims
- Trulicity130 claims
- Lisinopril129 claims
- Omeprazole128 claims
- Gabapentin126 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
- Union Community CareLancaster, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas E. Leaman among 7,483 family medicine physician records in Pennsylvania
Douglas E. Leaman, M.D. is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% 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 47% of them.
- NPI issued2007 · 47% of these records are older, 46% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1997 · median 2005 among the 4,529 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
213 family medicine physician records list a practice address in Lancaster
They are 213 of the 5,378 NPPES records with a practice address in Lancaster, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Lancaster → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- William Bakken, M.D.Lancaster, PA 176031447247135
- Anne-Marie Derrico, MDLancaster, PA 176031982658050
- William Fife, MDLancaster, PA 176031124070933
- Gary Gehman, M.D.Lancaster, PA 176031326035015
- Althea Keener, MDLancaster, PA 176031205872330
- David Ling, M.D.Lancaster, PA 176031982697272
- Nunzio Mastropietro, M.D.Lancaster, PA 176031326048794
- Thomas Mextorf, D.O.Lancaster, PA 176031194703629
Common questions
What is Douglas E. Leaman, M.D.'s NPI number?
Douglas E. Leaman, M.D.'s National Provider Identifier (NPI) is 1295866119, issued on Mar 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Douglas E. Leaman, M.D. located?
The NPPES record lists a practice address at 515-B Hershey Ave., Lancaster, PA, 17603. Phone: (717) 299-6372. Providers update this record themselves, so call before visiting.
How can I verify Douglas E. Leaman, M.D.'s license?
NPPES lists Pennsylvania license number MD430975, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Douglas E. Leaman, M.D. prescribe under Medicare Part D?
In 2024, Douglas E. Leaman, M.D. had 3,592 Medicare Part D claims for 124 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.