Subbu Nagappan, MD
Surgery Physician · Riverside, CA
Subbu Nagappan, MD is a surgery physician with a practice address in Riverside, California, and NPI 1285616185, issued on Nov 16, 2005. Check the license (California G70352, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Subbu Nagappan
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- G70352 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7117 Brockton Ave, Riverside, CA 92506
- Phone
- (951) 782-3651
- Enumerated
- Nov 16, 2005
- Record last updated
- Dec 29, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (951) 784-3260
- Medicare enrollment
- Enrolled (PECOS I20090130000254); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 7117 Brockton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jieun AhnInternal Medicine Physician1225771173
- Shannon AllenFamily Nurse Practitioner1982089173
- Ghanim Almohammad Aljomah, M.D.Pediatric Gastroenterology Physician1447414099
- Apoorva Ananth, MDInternal Medicine Physician1558866863
- Hedy Assaad, MDPediatrics Physician1154302529
- Andre Babajanians, MDRheumatology Physician1255311676
Verify Subbu Nagappan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G70352Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average surgery physician in 2024
12 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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
- EL-Bershawi Medical CorpRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Subbu Nagappan among 3,118 surgery physician records in California
Subbu Nagappan, MD is one of 3,118 surgery physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1983 · median 2003 among the 1,901 with a school on file
- Record last updated2010 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Riverside → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Naseem Attar, M.D.Riverside, CA 925061013970524
- Hongphuc Ha, DORiverside, CA 925061043473341
- Martin Perez, M.D.Riverside, CA 925061447552054
- Leonids Raterman, M.D.Riverside, CA 925061417980947
- Hidehisa Takei, MDRiverside, CA 925061407839327
- Kambiz Zainabadi, MDRiverside, CA 925061760418974
- Nicholas Zekos, MDRiverside, CA 925061407838303
- Eric Changchien, MDRiverside, CA 925051710137401
Common questions
What is Subbu Nagappan, MD's NPI number?
Subbu Nagappan, MD's National Provider Identifier (NPI) is 1285616185, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Subbu Nagappan, MD located?
The NPPES record lists a practice address at 7117 Brockton Ave, Riverside, CA, 92506. Phone: (951) 782-3651. Providers update this record themselves, so call before visiting.
How can I verify Subbu Nagappan, MD's license?
NPPES lists California license number G70352, 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 Subbu Nagappan, MD prescribe under Medicare Part D?
In 2024, Subbu Nagappan, MD had 12 Medicare Part D claims; the average among surgery physician prescribers was 147. 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.