Nazneen Uddin, M.D.
Family Medicine Physician · Walnut Creek, CA
Nazneen Uddin, M.D. is a family medicine physician with a practice address in Walnut Creek, California, and NPI 1023456761, issued on Jun 4, 2013. Check the license (California A133267, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nazneen Uddin
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A133267 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1220 Rossmoor Pkwy, Walnut Creek, CA 94595
- Phone
- (925) 947-3312
- Enumerated
- Jun 4, 2013
- Record last updated
- Oct 20, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (925) 947-3396
- Medicare enrollment
- Enrolled (PECOS I20220517002058); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2013
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1220 Rossmoor Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nazneen Uddin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A133267Check 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 family medicine physician in 2024
269 Medicare Part D claims for 120 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Cefdinir24 claims
- Prednisone20 claims
- Methenamine Hippurate15 claims
- Furosemide14 claims
- Losartan Potassium11 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
- Healthtexas Provider NetworkFort Worth, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nazneen Uddin among 17,133 family medicine physician records in California
Nazneen Uddin, 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 2013, is newer than 68% of them.
- NPI issued2013 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2013 · 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).
116 family medicine physician records list a practice address in Walnut Creek
They are 116 of the 6,170 NPPES records with a practice address in Walnut Creek, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Walnut Creek → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ingrid Bellwood, M.D.Walnut Creek, CA 945951427188663
- Stuart Bussey, MD, AMEWalnut Creek, CA 945951407924939
- Azita Chehresa, MDWalnut Creek, CA 945951659534204
- Anjali Kandpal, M.D.Walnut Creek, CA 945951871896274
- Sricharitha Krishnamoorthy, M.D.Walnut Creek, CA 945951285897454
- Angel Parker, M.D.Walnut Creek, CA 945951154680536
- Grace Talento, M.D.Walnut Creek, CA 945951831324656
- Sujay Banerjee, MDWalnut Creek, CA 945961174601249
Common questions
What is Nazneen Uddin, M.D.'s NPI number?
Nazneen Uddin, M.D.'s National Provider Identifier (NPI) is 1023456761, issued on Jun 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Nazneen Uddin, M.D. located?
The NPPES record lists a practice address at 1220 Rossmoor Pkwy, Walnut Creek, CA, 94595. Phone: (925) 947-3312. Providers update this record themselves, so call before visiting.
How can I verify Nazneen Uddin, M.D.'s license?
NPPES lists California license number A133267, 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 Nazneen Uddin, M.D. prescribe under Medicare Part D?
In 2024, Nazneen Uddin, M.D. had 269 Medicare Part D claims for 120 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.