John Duffy, PA-C
Physician Assistant · Pittsburgh, PA
John Duffy, PA-C is a physician assistant with a practice address in Pittsburgh, Pennsylvania, and NPI 1548331531, issued on Nov 13, 2006. Check the license (Pennsylvania MA051412, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Duffy
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- MA051412 PA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Lothrop St, Pittsburgh, PA 15213
- Phone
- (412) 647-3553
- Enumerated
- Nov 13, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (412) 647-0878
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 8,020 in Pennsylvania → Look up another NPI →
Also registered at 200 Lothrop St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA051412Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average physician assistant in 2024
203 Medicare Part D claims for 147 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 151 claims were for opioids.
Most prescribed
- Oxycodone Hcl129 claims
- Meloxicam16 claims
- Tramadol Hcl16 claims
- Ibuprofen12 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.
John Duffy among 8,020 physician assistant records in Pennsylvania
John Duffy, PA-C is one of 8,020 physician assistant records with a practice address in Pennsylvania. 80% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 85% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2007 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
911 physician assistant records list a practice address in Pittsburgh
They are 911 of the 28,866 NPPES records with a practice address in Pittsburgh, and 8,020 physician assistant records in Pennsylvania.
All 8,020 in Pennsylvania → Every provider in Pittsburgh → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jeffrey BostPittsburgh, PA 152131063486645
- Allison Callahan, PA-CPittsburgh, PA 152131750337937
- Kimberly Farrell, PA-CPittsburgh, PA 152131437134277
- Marybeth Hein, PA-CPittsburgh, PA 152131255446712
- Carole HoyPittsburgh, PA 152131790740579
- Shay Jones, P.A.-CPittsburgh, PA 152131417954736
- Jamie Macurak, PA-CPittsburgh, PA 152131285608380
- Lawrence MarcelloPittsburgh, PA 152131982678959
Common questions
What is John Duffy, PA-C's NPI number?
John Duffy, PA-C's National Provider Identifier (NPI) is 1548331531, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Duffy, PA-C located?
The NPPES record lists a practice address at 200 Lothrop St, Pittsburgh, PA, 15213. Phone: (412) 647-3553. Providers update this record themselves, so call before visiting.
How can I verify John Duffy, PA-C's license?
NPPES lists Pennsylvania license number MA051412, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does John Duffy, PA-C prescribe under Medicare Part D?
In 2024, John Duffy, PA-C had 203 Medicare Part D claims for 147 beneficiaries; the average among physician assistant prescribers was 830. 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.