NPPES file of Aug 9, 2026

William James Mazzocco, PA-C

Medical Physician Assistant · Tyrone, PA

William James Mazzocco, PA-C is a medical physician assistant with a practice address in Tyrone, Pennsylvania, and NPI 1174598304, issued on Feb 21, 2006. Check the license (Pennsylvania MA000991L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174598304
Name
William James Mazzocco
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License numbers
MA000991L PA
540 AK
Self-reported in NPPES; status is on the state search
Practice location
Tyrone Hospital, Tyrone, PA 16686
Phone
(814) 684-6374
Enumerated
Feb 21, 2006
Record last updated
Mar 7, 2023
Fax
(814) 684-6320
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify William James Mazzocco in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license MA000991L
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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91% fewer Medicare Part D claims than the average medical physician assistant in 2024

108 Medicare Part D claims for 71 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.

  1. William Mazzocco108
  2. Specialty average1,148

Most prescribed

  1. Prednisone21 claims
  2. Doxycycline Hyclate19 claims
  3. Azithromycin12 claims
  4. Cephalexin11 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.

4 medical physician assistant records list a practice address in Tyrone

They are 4 of the 89 NPPES records with a practice address in Tyrone, and 3,897 medical physician assistant records in Pennsylvania.

Other medical physician assistant records in Pennsylvania

  1. Savannah Aanderud, PA-CErie, PA1811625437
  2. Kathryn Abadi, PA-CWellsboro, PA1407034077
  3. Michael Abbott, PA-CPittsburgh, PA1942815915
  4. Patricia Abbott, PA-CPhiladelphia, PA1316011018
  5. Paul AbbottButler, PA1114903093
  6. Bashera Abdul-Hadi, PA-CPhiladelphia, PA1174570329
  7. Danielle Abel, PA-CSewickley, PA1255751731
  8. Nicallina Abel, PA-CTrevose, PA1043862592
  9. Maria Abraham, PA-CBethel Park, PA1124176821
  10. Sarah Abraham, PA-CPittsburgh, PA1518293448

Common questions

What is William James Mazzocco, PA-C's NPI number?

William James Mazzocco, PA-C's National Provider Identifier (NPI) is 1174598304, issued on Feb 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William James Mazzocco, PA-C located?

The NPPES record lists a practice address at Tyrone Hospital, Tyrone, PA, 16686. Phone: (814) 684-6374. Providers update this record themselves, so call before visiting.

How can I verify William James Mazzocco, PA-C's license?

NPPES lists Pennsylvania license number MA000991L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does William James Mazzocco, PA-C prescribe under Medicare Part D?

In 2024, William James Mazzocco, PA-C had 108 Medicare Part D claims for 71 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.