John Patrick Maher, MD
Family Medicine Physician · West Chester, PA
John Patrick Maher, MD is a family medicine physician with a practice address in West Chester, Pennsylvania, and NPI 1699837492, issued on Dec 15, 2006. Check the license (Pennsylvania MD007605E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- John Patrick Maher
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD007605E PA
Self-reported in NPPES; status is on the state search - Practice location
- 601 Westtown Road, West Chester, PA 19380
- Phone
- (610) 344-6230
- Enumerated
- Dec 15, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (610) 344-6727
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 601 Westtown Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia Yoder, RNRegistered Nurse1073730230
Verify John Patrick Maher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD007605ECheck 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 family medicine physician in 2024
31 Medicare Part D claims, against an average of 3,544 among the 117,163 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.
John Patrick Maher among 7,483 family medicine physician records in Pennsylvania
John Patrick Maher, MD 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2007 · 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).
57 family medicine physician records list a practice address in West Chester
They are 57 of the 2,831 NPPES records with a practice address in West Chester, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in West Chester → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Catherine Bergan, DOWest Chester, PA 193801629058631
- Beth Bingaman, DOWest Chester, PA 193801568442432
- William Carroll, MDWest Chester, PA 193801366422057
- Paul Debacco, MDWest Chester, PA 193801013987783
- Mary Lisa Gunning, MDWest Chester, PA 193801457351587
- Louis Hirshberg, DOWest Chester, PA 193801063406239
- William Lehner, MDWest Chester, PA 193801982684882
- George Limpert, MDWest Chester, PA 193801467411694
Common questions
What is John Patrick Maher, MD's NPI number?
John Patrick Maher, MD's National Provider Identifier (NPI) is 1699837492, issued on Dec 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Patrick Maher, MD located?
The NPPES record lists a practice address at 601 Westtown Road, West Chester, PA, 19380. Phone: (610) 344-6230. Providers update this record themselves, so call before visiting.
How can I verify John Patrick Maher, MD's license?
NPPES lists Pennsylvania license number MD007605E, 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 John Patrick Maher, MD prescribe under Medicare Part D?
In 2024, John Patrick Maher, MD had 31 Medicare Part D claims; 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.