William Pham, DO
NPI 1275981136 · Family Medicine Physician · Johnstown, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Pham, DO is a Family Medicine Physician provider in Johnstown, PA (NPI 1275981136).
Provider details
- NPI number
- 1275981136
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OS019751 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 90 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 482 | 202 |
| Amlodipine Besylate | 224 | 99 |
| Lisinopril | 214 | 88 |
| Losartan Potassium | 204 | 82 |
| Rosuvastatin Calcium | 195 | 87 |
| Levothyroxine Sodium | 161 | 65 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-06-01
- Last updated
- 2022-02-10
- Certified
- 2020-06-02
Frequently asked questions
- What is William Pham's NPI number?
- William Pham's National Provider Identifier (NPI) is 1275981136, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Pham's specialty?
- William Pham is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Pham located?
- William Pham's practice location on file with NPPES is 1086 Franklin St, Johnstown, PA 15905-4305.
- What is William Pham's phone number?
- The practice phone number listed in the NPPES registry for William Pham is (814) 534-9000.
- Does William Pham accept Medicare?
- William Pham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Pham's NPI active?
- Yes — William Pham's NPI (1275981136) is active in the NPPES registry as of the last update on 2022-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.