Amitabh Chauhan, M.D.
Internal Medicine Physician · West Covina, CA
Amitabh Chauhan, M.D. is an internal medicine physician with a practice address in West Covina, California, and NPI 1619925948, issued on May 5, 2006. Check the license (California A62209, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Amitabh Chauhan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A62209 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1135 S Sunset Ave, West Covina, CA 91790
- Phone
- (626) 960-8614
- Enumerated
- May 5, 2006
- Entity
- Type 1 · individual
Also registered at 1135 S Sunset Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindsay Arellano, PA-CMedical Physician Assistant1659623379
- Sartaj Arora, MDGastroenterology Physician1841258340
- Gabriel Bailey, DOStudent in an Organized Health Care Education/Training Program1003660788
- David Bode, M.D.Body Imaging Physician1306895990
- Mark Curran, M.D.Maternal & Fetal Medicine Physician1306935689
- Ziad Dabuni, M.D.Internal Medicine Physician1851349187
Verify Amitabh Chauhan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A62209Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
53% more Medicare Part D claims than the average internal medicine physician in 2024
4,261 Medicare Part D claims for 315 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 181 claims were for opioids.
Most prescribed
- Atorvastatin Calcium430 claims
- Lisinopril232 claims
- Simvastatin182 claims
- Amlodipine Besylate168 claims
- Levothyroxine Sodium141 claims
- Metformin Hcl121 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
One hospital or facility affiliation
- Southern California Permanente Medical GroupFontana, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
24 internal medicine physician records list a West Covina practice address
They are 24 of the 2,450 NPPES records with a West Covina practice address, and 20,403 internal medicine physician records in California.
All 24 in West Covina → All 20,403 in California → Every provider in West Covina →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Amitabh Chauhan, M.D.'s NPI number?
Amitabh Chauhan, M.D.'s National Provider Identifier (NPI) is 1619925948, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Amitabh Chauhan, M.D. located?
The NPPES record lists a practice address at 1135 S Sunset Ave, West Covina, CA, 91790. Phone: (626) 960-8614. Providers update this record themselves, so call before visiting.
How can I verify Amitabh Chauhan, M.D.'s license?
NPPES lists California license number A62209, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Amitabh Chauhan, M.D. prescribe under Medicare Part D?
In 2024, Amitabh Chauhan, M.D. had 4,261 Medicare Part D claims for 315 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.