Bruce A. Larson, MD
Endocrinology, Diabetes & Metabolism Physician · Los Angeles, CA
Bruce A. Larson, MD is an endocrinology, diabetes & metabolism physician with a practice address in Los Angeles, California, and NPI 1528090677, issued on Jul 7, 2006. Check the license (California G25228, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Bruce A. Larson
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- G25228 CA
Self-reported in NPPES; status is on the state search - Practice location
- 637 South Lucas Avenue, Los Angeles, CA 90017
- Phone
- (213) 977-0520
- Enumerated
- Jul 7, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (213) 977-0504
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Verify Bruce A. Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G25228Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bruce A. Larson among 1,131 endocrinology, diabetes & metabolism physician records in California
Bruce A. Larson, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 54% newer
- In a Medicare fileNo · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2007 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,131 in California → Every provider in Los Angeles → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Mariola Ficinski, MDLos Angeles, CA 900171659371367
- Cindy Huang, MDLos Angeles, CA 900171356570063
- Kyrstin LaneLos Angeles, CA 900171245626712
- Thaer OthmanLos Angeles, CA 900171023512100
- Susan Shey, MDLos Angeles, CA 900171275988123
- Amir Azarnivar, MDLos Angeles, CA 900151306928668
- Cheng ChengLos Angeles, CA 900151467899062
- Andrew Folick, M.D.Los Angeles, CA 900151285088328
Common questions
What is Bruce A. Larson, MD's NPI number?
Bruce A. Larson, MD's National Provider Identifier (NPI) is 1528090677, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bruce A. Larson, MD located?
The NPPES record lists a practice address at 637 South Lucas Avenue, Los Angeles, CA, 90017. Phone: (213) 977-0520. Providers update this record themselves, so call before visiting.
How can I verify Bruce A. Larson, MD's license?
NPPES lists California license number G25228, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.