Rohan Mathew Sebastian, MD
Family Medicine Physician · San Diego, CA
Rohan Mathew Sebastian, MD is a family medicine physician with a practice address in San Diego, California, and NPI 1235712340, issued on May 5, 2021. Check the license (California A203465, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rohan Mathew Sebastian
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A203465 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9333 Genesee Ave Ste 200, San Diego, CA 92121
- Phone
- (800) 926-8273
- Enumerated
- May 5, 2021
- Record last updated
- Jul 30, 2025
- Fax
- (888) 539-8781
- Medicare enrollment
- Enrolled (PECOS I20250813003940); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 9333 Genesee Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rohan Mathew Sebastian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A203465Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
67 Medicare Part D claims for 20 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rohan Mathew Sebastian among 17,133 family medicine physician records in California
Rohan Mathew Sebastian, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2021 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
780 family medicine physician records list a practice address in San Diego
They are 780 of the 52,937 NPPES records with a practice address in San Diego, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Diego → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Basil Abramowitz, M.D.San Diego, CA 921211104832047
- Stanley Besser, M.D.San Diego, CA 921211760490031
- Patricia Brady, M.D.San Diego, CA 921211952390437
- Amy Chilingirian, DOSan Diego, CA 921211477516706
- Silvia Del Riego, M.D.San Diego, CA 921211063431591
- Cindy Hsu, MDSan Diego, CA 921211609980770
- Christopher Kelsey, MDSan Diega, CA 921211902867419
- Jane Kim, D.O.San Diego, CA 921211497785810
Common questions
What is Rohan Mathew Sebastian, MD's NPI number?
Rohan Mathew Sebastian, MD's National Provider Identifier (NPI) is 1235712340, issued on May 5, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Rohan Mathew Sebastian, MD located?
The NPPES record lists a practice address at 9333 Genesee Ave Ste 200, San Diego, CA, 92121. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.
How can I verify Rohan Mathew Sebastian, MD's license?
NPPES lists California license number A203465, 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 Rohan Mathew Sebastian, MD prescribe under Medicare Part D?
In 2024, Rohan Mathew Sebastian, MD had 67 Medicare Part D claims for 20 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.