Muzammil Khan, MD
NPI 1003337700 · Endocrinology, Diabetes & Metabolism Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Muzammil Khan, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Stony Brook, NY (NPI 1003337700).
Provider details
- NPI number
- 1003337700
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 307000 (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 tenure38% of score
8 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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 39 | 16 |
| Atorvastatin Calcium | 38 | 20 |
| Levothyroxine Sodium | 28 | 17 |
| Methimazole | 28 | — |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 27 | 11 |
| Insulin Aspartbrand: Novolog Flexpen | 23 | 13 |
| Empagliflozin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-07-03
- Last updated
- 2026-01-16
- Certified
- 2026-01-16
Frequently asked questions
- What is Muzammil Khan's NPI number?
- Muzammil Khan's National Provider Identifier (NPI) is 1003337700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Muzammil Khan's specialty?
- Muzammil Khan is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Muzammil Khan located?
- Muzammil Khan's practice location on file with NPPES is 101 Nicolls Road, Stony Brook, NY 11794-8160.
- What is Muzammil Khan's phone number?
- The practice phone number listed in the NPPES registry for Muzammil Khan is (631) 444-8478.
- Does Muzammil Khan accept Medicare?
- Muzammil Khan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Muzammil Khan's NPI active?
- Yes — Muzammil Khan's NPI (1003337700) is active in the NPPES registry as of the last update on 2026-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.