Stephen Buffa, PA-C
NPI 1144093758 · Physician Assistant · Pontiac, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Buffa, PA-C is a Physician Assistant provider in Pontiac, MI (NPI 1144093758).
Provider details
- NPI number
- 1144093758
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5601011929 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 51 | 17 |
| Atorvastatin Calcium | 48 | 18 |
| Amlodipine Besylate | 39 | 12 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 31 | 13 |
| Metformin Hcl | 26 | 11 |
| Omeprazole | 22 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-11-06
- Last updated
- 2023-11-06
- Certified
- 2023-11-05
Frequently asked questions
- What is Stephen Buffa's NPI number?
- Stephen Buffa's National Provider Identifier (NPI) is 1144093758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Buffa's specialty?
- Stephen Buffa is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephen Buffa located?
- Stephen Buffa's practice location on file with NPPES is 461 W Huron St # 107, Pontiac, MI 48341-1601.
- What is Stephen Buffa's phone number?
- The practice phone number listed in the NPPES registry for Stephen Buffa is (248) 724-7600.
- Does Stephen Buffa accept Medicare?
- Stephen Buffa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Buffa's NPI active?
- Yes — Stephen Buffa's NPI (1144093758) is active in the NPPES registry as of the last update on 2023-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.