NPPES file of Aug 9, 2026

William Phat-Nam Pham, DO

Family Medicine Physician · Johnstown, PA

William Phat-Nam Pham, DO is a family medicine physician with a practice address in Johnstown, Pennsylvania, and NPI 1275981136, issued on Jun 1, 2016. Check the license (Pennsylvania OS019751, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1275981136
Name
William Phat-Nam Pham
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
OS019751 PA
Self-reported in NPPES; status is on the state search
Practice location
1086 Franklin St, Johnstown, PA 15905
Phone
(814) 534-9000
Enumerated
Jun 1, 2016
Record last updated
Feb 10, 2022
Medicare enrollment
Enrolled (PECOS I20201020002266); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →

Also registered at 1086 Franklin St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Gebran Abboud, M.D.Gastroenterology Physician1518160373
  2. Muhammad Abdullah, MDInternal Medicine Physician1073341509
  3. Joanathan Abrahams, MDDiagnostic Radiology Physician1629129374
  4. Zakaria Abu Elkishik, MDInternal Medicine Physician1245121193
  5. Suzanne Abuhadba, DOEmergency Medicine Physician1437834579
  6. Nuzhat Ahmad, MDFamily Medicine Physician1154007342

Verify William Phat-Nam Pham in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license OS019751    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
Open the Pennsylvania license search

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52% more Medicare Part D claims than the average family medicine physician in 2024

5,390 Medicare Part D claims for 735 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 106 claims were for opioids.

  1. William Pham5,390
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium482 claims
  2. Amlodipine Besylate224 claims
  3. Lisinopril214 claims
  4. Losartan Potassium204 claims
  5. Rosuvastatin Calcium195 claims
  6. Levothyroxine Sodium161 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

  1. Southern California Permanente Medical GroupPanorama City, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Phat-Nam Pham among 7,483 family medicine physician records in Pennsylvania

William Phat-Nam Pham, DO 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 2016, is newer than 73% of them.

  • NPI issued2016 · 73% of these records are older, 24% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2016 · median 2005 among the 4,529 with a school on file
  • Record last updated2022 · 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).

86 family medicine physician records list a practice address in Johnstown

They are 86 of the 1,724 NPPES records with a practice address in Johnstown, and 7,483 family medicine physician records in Pennsylvania.

All 7,483 in Pennsylvania → Every provider in Johnstown → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Dennis Glover, M.D.Johnstown, PA 159051578562344
  2. Lynn Johnston, MDJohnstown, PA 159051114922564
  3. Richard Kastelic, MDJohnstown, PA 159051548265986
  4. David Lawless, MDJohnstown, PA 159051194786681
  5. Mark Malicki, MDJohnstown, PA 159051083619209
  6. Jessica Masser, D.O.Johnstown, PA 159051386842839
  7. James McKendree, MDJohnstown, PA 159051992700504
  8. Yasmin Siddiqi, MDJohnstown, PA 159051639296387

Common questions

What is William Phat-Nam Pham, DO's NPI number?

William Phat-Nam Pham, DO's National Provider Identifier (NPI) is 1275981136, issued on Jun 1, 2016. An NPI identifies a provider in billing; it is not a license.

Where is William Phat-Nam Pham, DO located?

The NPPES record lists a practice address at 1086 Franklin St, Johnstown, PA, 15905. Phone: (814) 534-9000. Providers update this record themselves, so call before visiting.

How can I verify William Phat-Nam Pham, DO's license?

NPPES lists Pennsylvania license number OS019751, 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 William Phat-Nam Pham, DO prescribe under Medicare Part D?

In 2024, William Phat-Nam Pham, DO had 5,390 Medicare Part D claims for 735 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.