Alexander Thomas, MD
NPI 1083272645 · Addiction Medicine (Psychiatry & Neurology) Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Thomas, MD is a Addiction Medicine (Psychiatry & Neurology) Physician provider in Indianapolis, IN (NPI 1083272645).
Provider details
- NPI number
- 1083272645
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 01086577A (IN)
Specialties & taxonomies
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
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Escitalopram Oxalate | 25 |
| Bupropion Hclbrand: Bupropion Xl | 22 |
| Buspirone Hcl | 19 |
| Sertraline Hcl | 18 |
| Hydroxyzine Hcl | 18 |
| Olanzapine | 17 |
| Trazodone Hcl | 16 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 15 |
| Clozapine | 15 |
| Prazosin Hcl |
Practice location
Mailing address
Additional practice locations (2)
- 355 W 16th St Ste 2364Indianapolis, IN 46202-2279Phone: (317) 963-7307
- 355 W 16th St Ste 2800Indianapolis, IN 46202-2279Phone: (317) 963-7300Fax: (317) 963-7325
Registry dates
- Enumerated
- 2019-05-30
- Last updated
- 2025-04-24
- Certified
- 2025-04-24
Frequently asked questions
- What is Alexander Thomas's NPI number?
- Alexander Thomas's National Provider Identifier (NPI) is 1083272645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Thomas's specialty?
- Alexander Thomas is listed in the NPPES registry with a primary specialty of Addiction Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Thomas located?
- Alexander Thomas's practice location on file with NPPES is 3171 N Meridian St, Indianapolis, IN 46208-4784.
- What is Alexander Thomas's phone number?
- The practice phone number listed in the NPPES registry for Alexander Thomas is (317) 941-5003.
- Does Alexander Thomas accept Medicare?
- Alexander Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Thomas's NPI active?
- Yes — Alexander Thomas's NPI (1083272645) is active in the NPPES registry as of the last update on 2025-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.