Mahmoud Nassar, MD
NPI 1548882137 · Endocrinology, Diabetes & Metabolism Physician · Burlington, VT
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mahmoud Nassar, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Burlington, VT (NPI 1548882137).
Provider details
- NPI number
- 1548882137
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 334582-01 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 50 | 19 |
| Atorvastatin Calcium | 33 | — |
| Semaglutidebrand: Ozempic | 32 | 11 |
| Dulaglutidebrand: Trulicity | 31 | — |
| Insulin Lisprobrand: Humalog Kwikpen U-100 | 26 | — |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 24 | 14 |
Practice location
Mailing address
Additional practice locations (1)
- 705 Maple Rd.Buffalo, NY 14221Phone: (716) 580-7300
Registry dates
- Enumerated
- 2020-05-18
- Last updated
- 2025-08-08
- Certified
- 2025-08-08
Frequently asked questions
- What is Mahmoud Nassar's NPI number?
- Mahmoud Nassar's National Provider Identifier (NPI) is 1548882137, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mahmoud Nassar's specialty?
- Mahmoud Nassar is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Mahmoud Nassar located?
- Mahmoud Nassar's practice location on file with NPPES is 111 Colchester Ave, Burlington, VT 05401-1473.
- What is Mahmoud Nassar's phone number?
- The practice phone number listed in the NPPES registry for Mahmoud Nassar is (802) 847-0000.
- Does Mahmoud Nassar accept Medicare?
- Mahmoud Nassar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mahmoud Nassar's NPI active?
- Yes — Mahmoud Nassar's NPI (1548882137) is active in the NPPES registry as of the last update on 2025-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.