Jayaram S. Hariharan, M.D.
Family Medicine Physician · San Ramon, CA
Jayaram S. Hariharan, M.D. is a family medicine physician with a practice address in San Ramon, California, and NPI 1790004638, issued on May 18, 2010. Check the license (California A111419, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jayaram S. Hariharan
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A111419 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5601 Norris Canyon RD, San Ramon, CA 94583
- Phone
- (925) 277-3070
- Enumerated
- May 18, 2010
- Record last updated
- May 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (925) 866-8205
- Medicare enrollment
- Enrolled (PECOS I20120420000371); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 5601 Norris Canyon RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Alexander, RN, MSN, ANP-BCGeneral Practice Registered Nurse1689866998
- Richard Ash, MDPediatrics Physician1366445298
- Tsuling Chang, M.D.Dermatology Physician1154495240
- Sandy Chhiv, FNPFamily Nurse Practitioner1487102794
- Bradford Flagg, M.D.Family Medicine Physician1346323086
- Frank Hsueh, M.D.Internal Medicine Physician1144224742
Verify Jayaram S. Hariharan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A111419Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average family medicine physician in 2024
556 Medicare Part D claims for 160 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium52 claims
- Amlodipine Besylate39 claims
- Metformin Hcl32 claims
- Lisinopril30 claims
- Levothyroxine Sodium29 claims
- Losartan Potassium22 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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $248.54
10 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- John Muir Physician NetworkBrentwood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jayaram S. Hariharan among 17,133 family medicine physician records in California
Jayaram S. Hariharan, M.D. 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 2010, is newer than 60% of them.
- NPI issued2010 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1982 · median 2005 among the 10,652 with a school on file
- Record last updated2016 · 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).
34 family medicine physician records list a practice address in San Ramon
They are 34 of the 2,281 NPPES records with a practice address in San Ramon, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Ramon → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Eena Duggal, M.D.San Ramon, CA 945831619052271
- Bradford Flagg, M.D.San Ramon, CA 945831346323086
- Ralph Fong, M.D.San Ramon, CA 945831447290994
- Ethan Hollander, M.D.San Ramon, CA 945831528003597
- Afsheen Mostofi, D.O.San Ramon, CA 945831275607848
- Dolores Musco, M.D.San Ramon, CA 945831679601611
- Mark Musco, M.D.San Ramon, CA 945831578691523
- Marjan Naraghi-Arani, D.O.San Ramon, CA 945831821187881
Common questions
What is Jayaram S. Hariharan, M.D.'s NPI number?
Jayaram S. Hariharan, M.D.'s National Provider Identifier (NPI) is 1790004638, issued on May 18, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Jayaram S. Hariharan, M.D. located?
The NPPES record lists a practice address at 5601 Norris Canyon RD, San Ramon, CA, 94583. Phone: (925) 277-3070. Providers update this record themselves, so call before visiting.
How can I verify Jayaram S. Hariharan, M.D.'s license?
NPPES lists California license number A111419, 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 Jayaram S. Hariharan, M.D. prescribe under Medicare Part D?
In 2024, Jayaram S. Hariharan, M.D. had 556 Medicare Part D claims for 160 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Jayaram S. Hariharan, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.