Simran Brar, DO
Endocrinology, Diabetes & Metabolism Physician · Corona, CA
Simran Brar, DO is an endocrinology, diabetes & metabolism physician with a practice address in Corona, California, and NPI 1164783908, issued on Jun 7, 2012. Check the license (California 13929, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Simran Brar
- Credential
- DO
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 13929 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21634 Retreat Pkwy, Corona, CA 92883
- Phone
- (951) 493-6862
- Enumerated
- Jun 7, 2012
- Record last updated
- Apr 11, 2025
- Fax
- (951) 826-8121
- Medicare enrollment
- Enrolled (PECOS I20181126002969); accepts Medicare assignment
- Medical or professional school
- At Still University, Arizona School Of Dentistry & Oral Hlth, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 21634 Retreat Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Simran Brar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 13929Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
799 Medicare Part D claims for 199 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Levothyroxine Sodium97 claims
- Glipizide Er64 claims
- Metformin Hcl Er42 claims
- Lantus Solostar41 claims
- Metformin Hcl40 claims
- Nano 2nd Gen Pen Needle37 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.
Bills Medicare through one group practice
- Riverside Medical Clinic IncRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Simran Brar among 1,131 endocrinology, diabetes & metabolism physician records in California
Simran Brar, DO 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. Its NPI, issued in 2012, is newer than 74% of them.
- NPI issued2012 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2012 · median 2003 among the 779 with a school on file
- Record last updated2025 · 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.
All 1,131 in California → Every provider in Corona → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Tarcisio Diaz, MDCorona, CA 928821346379583
- Manita Choudhary, MDEastvale, CA 928801730543752
- Hoda Mojazi Amiri, MDYorba Linda, CA 928861750780367
- Tahir Haytoglu, MDCorona, CA 928791932609054
- Joseph Hsiao, MDOrange, CA 928691699139287
- Llanyee Liwanpo, M.D.Orange, CA 928691417171711
- Bogi Andersen, MDOrange, CA 928681164502233
- Yung-In Choi, MDOrange, CA 928681760562854
Common questions
What is Simran Brar, DO's NPI number?
Simran Brar, DO's National Provider Identifier (NPI) is 1164783908, issued on Jun 7, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Simran Brar, DO located?
The NPPES record lists a practice address at 21634 Retreat Pkwy, Corona, CA, 92883. Phone: (951) 493-6862. Providers update this record themselves, so call before visiting.
How can I verify Simran Brar, DO's license?
NPPES lists California license number 13929, 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 Simran Brar, DO prescribe under Medicare Part D?
In 2024, Simran Brar, DO had 799 Medicare Part D claims for 199 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
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.