Nancy Zhining Tang, M.D.
Obstetrics & Gynecology Physician · Dublin, CA
Nancy Zhining Tang, M.D. is an obstetrics & gynecology physician with a practice address in Dublin, California, and NPI 1326369554, issued on Jun 22, 2010. Check the license (California A140842, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nancy Zhining Tang
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- A140842 CA
271238-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4000 Dublin Blvd, Dublin, CA 94568
- Phone
- (925) 875-6100
- Enumerated
- Jun 22, 2010
- Record last updated
- May 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160831003041); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 4000 Dublin Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lisa Biga, NPObstetrics & Gynecology Nurse Practitioner1497107890
Verify Nancy Zhining Tang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A140842Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
109 Medicare Part D claims for 49 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Estradiol47 claims
- Valacyclovir13 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
- Sutter Bay Medical FoundationDublin, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Zhining Tang among 5,088 obstetrics & gynecology physician records in California
Nancy Zhining Tang, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 70% of them.
- NPI issued2010 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2010 · median 2004 among the 2,700 with a school on file
- Record last updated2020 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 obstetrics & gynecology physician records list a practice address in Dublin
They are 11 of the 2,148 NPPES records with a practice address in Dublin, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Dublin → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Megan Beatty, M.D.Dublin, CA 945681518141142
- Karen Carlson, M.D.Dublin, CA 945681972522548
- Madhumita Govindaswamy, MDDublin, CA 945681174107064
- Nicole Jeffrey-Starr, MDDublin, CA 945681649235201
- Nam Nguyen, MDDublin, CA 945681033158704
- Michelle Oliveira, M.D.Dublin, CA 945681003835653
- Nancy Pham-Thomas, MDDublin, CA 945681205099074
- Pallavi Shikaripur Nadig, M.D.Dublin, CA 945681306073309
Common questions
What is Nancy Zhining Tang, M.D.'s NPI number?
Nancy Zhining Tang, M.D.'s National Provider Identifier (NPI) is 1326369554, issued on Jun 22, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Zhining Tang, M.D. located?
The NPPES record lists a practice address at 4000 Dublin Blvd, Dublin, CA, 94568. Phone: (925) 875-6100. Providers update this record themselves, so call before visiting.
How can I verify Nancy Zhining Tang, M.D.'s license?
NPPES lists California license number A140842, 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 Nancy Zhining Tang, M.D. prescribe under Medicare Part D?
In 2024, Nancy Zhining Tang, M.D. had 109 Medicare Part D claims for 49 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.