Uma R. Natarajan, M.D.
Family Medicine Physician · Hayward, CA
Uma R. Natarajan, M.D. is a family medicine physician with a practice address in Hayward, California, and NPI 1417987025, issued on Jul 3, 2006. Check the license (California A92641, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Uma R. Natarajan
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A92641 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27212 Calaroga Ave, Hayward, CA 94545
- Phone
- (510) 785-5000
- Enumerated
- Jul 3, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (510) 784-2502
- Medicare enrollment
- Enrolled (PECOS I20070129000830); 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 27212 Calaroga Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Bateman, R.PH.Pharmacist1205913787
- Ralph Boucher, M.D.Cardiovascular Disease Physician1134156912
- Natalie Brooksher, R.N.Registered Nurse1528326881
- Beth Cowan, MDObstetrics & Gynecology Physician1376552059
- Patricia Espicha, R.N.N.P.Ambulatory Women's Health Care Registered Nurse1477576502
- Janice Friesen, L.C.S.W.Clinical Social Worker1770504839
Verify Uma R. Natarajan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A92641Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average family medicine physician in 2024
2,733 Medicare Part D claims for 394 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 48 claims were for opioids.
Most prescribed
- Atorvastatin Calcium299 claims
- Amlodipine Besylate158 claims
- Losartan Potassium139 claims
- Lisinopril128 claims
- Levothyroxine Sodium114 claims
- Atenolol90 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
- Permanente Medical Group IncSan Ramon, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Uma R. Natarajan among 17,133 family medicine physician records in California
Uma R. Natarajan, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1990 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 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).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Hayward → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Rolando Atienza, MDHayward, CA 945451861598435
- Jade Bito-Onon, D.O.Hayward, CA 945451275913089
- Raul Gentini, MDHayward, CA 945451942496617
- Veena Gowra, M.D.Hayward, CA 945451518115906
- Hasina Nasir, M.D.Hayward, CA 945451982619334
- Maiti Rodriguez, M.D.Hayward, CA 945451700263159
- Robert Rowley, M.D.Hayward, CA 945451750468476
- Amita Sharma, M.D.Hayward, CA 945451982671301
Common questions
What is Uma R. Natarajan, M.D.'s NPI number?
Uma R. Natarajan, M.D.'s National Provider Identifier (NPI) is 1417987025, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Uma R. Natarajan, M.D. located?
The NPPES record lists a practice address at 27212 Calaroga Ave, Hayward, CA, 94545. Phone: (510) 785-5000. Providers update this record themselves, so call before visiting.
How can I verify Uma R. Natarajan, M.D.'s license?
NPPES lists California license number A92641, 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 Uma R. Natarajan, M.D. prescribe under Medicare Part D?
In 2024, Uma R. Natarajan, M.D. had 2,733 Medicare Part D claims for 394 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.