Nazia Mir, MD
Internal Medicine Physician · Castro Valley, CA
Nazia Mir, MD is an internal medicine physician with a practice address in Castro Valley, California, and NPI 1598128415, issued on Mar 29, 2016. Check the license (California C175123, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nazia Mir
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- C175123 CA
U6762 TX
Self-reported in NPPES; status is on the state search - Practice location
- 20101 Lake Chabot RD, Castro Valley, CA 94546
- Phone
- (510) 727-3256
- Enumerated
- Mar 29, 2016
- Record last updated
- Jan 22, 2024
- Medicare enrollment
- Enrolled (PECOS I20240201004016); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 20101 Lake Chabot RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nazia Mir in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C175123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
12 Medicare Part D claims, against an average of 3,176 among the 108,855 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 4 group practices
- Hospitalist Medicine Physicians OF Texas PLLCDallas, TX
- Poppy Drive Inpatient Services PLLCSunnyvale, TX
- Questcare Hospitalists PLLCPlano, TX
- Texas Health Physicians GroupAllen, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nazia Mir among 17,696 internal medicine physician records in California
Nazia Mir, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 79% of them.
- NPI issued2016 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2005 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 internal medicine physician records list a practice address in Castro Valley
They are 24 of the 999 NPPES records with a practice address in Castro Valley, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Castro Valley → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Wing Chin, M.D.Castro Valley, CA 945461124052576
- Richard Ho, M. D.Castro Valley, CA 945461548283005
- Kathryn Hodge, MDCastro Valley, CA 945461194741256
- Nidhi Johri, M.DCastro Valley, CA 945461285811489
- Samir Kadada, M.D.Castro Valley, CA 945461952315202
- Donald Knotts, MEDICAL DOCTORCastro Valley, CA 945461790858611
Common questions
What is Nazia Mir, MD's NPI number?
Nazia Mir, MD's National Provider Identifier (NPI) is 1598128415, issued on Mar 29, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Nazia Mir, MD located?
The NPPES record lists a practice address at 20101 Lake Chabot RD, Castro Valley, CA, 94546. Phone: (510) 727-3256. Providers update this record themselves, so call before visiting.
How can I verify Nazia Mir, MD's license?
NPPES lists California license number C175123, 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 Nazia Mir, MD prescribe under Medicare Part D?
In 2024, Nazia Mir, MD had 12 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.