Mian Hammas, MD
NPI 1003557281 · Hospitalist Physician · Buffalo, NY
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mian Hammas, MD is a Hospitalist Physician provider in Buffalo, NY (NPI 1003557281).
Provider details
- NPI number
- 1003557281
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 338198 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 77 | 34 |
| Lisinopril | 42 | 12 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 39 | 14 |
| Nifedipinebrand: Nifedipine Er | 39 | 19 |
| Metoprolol Succinate | 34 | 17 |
| Pantoprazole Sodium | 33 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1540 Maple RdWilliamsville, NY 14221-3698Phone: (716) 568-3600
Registry dates
- Enumerated
- 2022-04-05
- Last updated
- 2025-09-08
- Certified
- 2025-09-08
Frequently asked questions
- What is Mian Hammas's NPI number?
- Mian Hammas's National Provider Identifier (NPI) is 1003557281, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mian Hammas's specialty?
- Mian Hammas is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Mian Hammas located?
- Mian Hammas's practice location on file with NPPES is 100 High St, Buffalo, NY 14203-1126.
- What is Mian Hammas's phone number?
- The practice phone number listed in the NPPES registry for Mian Hammas is (716) 859-5600.
- Does Mian Hammas accept Medicare?
- Mian Hammas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mian Hammas's NPI active?
- Yes — Mian Hammas's NPI (1003557281) is active in the NPPES registry as of the last update on 2025-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.