Alan Segal, M.D.
NPI 1538273966 · Internal Medicine Physician · Buffalo, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alan Segal, M.D. is a Internal Medicine Physician provider in Buffalo, NY (NPI 1538273966).
Provider details
- NPI number
- 1538273966
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D52261 (MD)
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
19 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 · 26 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Amlodipine Besylate | 65 |
| Atorvastatin Calcium | 54 |
| Lisinopril | 45 |
| Rivaroxabanbrand: Xarelto | 40 |
| Levetiracetam | 38 |
| Pantoprazole Sodium | 35 |
| Potassium Chloride | 35 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 33 |
| Famotidine | 33 |
Practice location
Mailing address
Additional practice locations (1)
- 1517 Hugo CirSilver Spring, MD 20906-5917Phone: (301) 949-1220Fax: (301) 949-5757
Registry dates
- Enumerated
- 2006-08-19
- Last updated
- 2025-11-19
- Certified
- 2025-11-19
Frequently asked questions
- What is Alan Segal's NPI number?
- Alan Segal's National Provider Identifier (NPI) is 1538273966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alan Segal's specialty?
- Alan Segal is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alan Segal located?
- Alan Segal's practice location on file with NPPES is 1 Gates Cir Apt 312, Buffalo, NY 14209-1129.
- What is Alan Segal's phone number?
- The practice phone number listed in the NPPES registry for Alan Segal is (716) 322-0100.
- Does Alan Segal accept Medicare?
- Alan Segal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alan Segal's NPI active?
- Yes — Alan Segal's NPI (1538273966) is active in the NPPES registry as of the last update on 2025-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.