Amitabh Chauhan, M.D.
NPI 1619925948 · Internal Medicine Physician · West Covina, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amitabh Chauhan, M.D. is a Internal Medicine Physician provider in West Covina, CA (NPI 1619925948).
Provider details
- NPI number
- 1619925948
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A62209 (CA)
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
20 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 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 430 | 137 |
| Lisinopril | 232 | 66 |
| Simvastatin | 182 | 52 |
| Amlodipine Besylate | 168 | 50 |
| Levothyroxine Sodium | 141 | 41 |
| Metformin Hcl | 121 | 44 |
| Omeprazole | 119 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-05
- Last updated
- 2021-12-02
Frequently asked questions
- What is Amitabh Chauhan's NPI number?
- Amitabh Chauhan's National Provider Identifier (NPI) is 1619925948, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amitabh Chauhan's specialty?
- Amitabh Chauhan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Amitabh Chauhan located?
- Amitabh Chauhan's practice location on file with NPPES is 1135 S Sunset Ave, West Covina, CA 91790-3937.
- What is Amitabh Chauhan's phone number?
- The practice phone number listed in the NPPES registry for Amitabh Chauhan is (626) 960-8614.
- Does Amitabh Chauhan accept Medicare?
- Amitabh Chauhan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amitabh Chauhan's NPI active?
- Yes — Amitabh Chauhan's NPI (1619925948) is active in the NPPES registry as of the last update on 2021-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.