NPPES file of Aug 9, 2026

Hanh-Nguyen Do, MD

Obstetrics & Gynecology Physician · Pleasanton, CA

Hanh-Nguyen Do, MD is an obstetrics & gynecology physician with a practice address in Pleasanton, California, and NPI 1003907338, issued on Sep 28, 2006. Check the license (California A65840, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003907338
Name
Hanh-Nguyen Do
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A65840 CA
Self-reported in NPPES; status is on the state search
Practice location
5725 W Las Positas Blvd, Pleasanton, CA 94588
Phone
(258) 479-3000
Enumerated
Sep 28, 2006
Record last updated
Sep 6, 2024
Medicaid ID
00A658400 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 5725 W Las Positas Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Vandana Boparai, MDInternal Medicine Physician1851432652
  2. Karen Buntjer, R.D., C.D.E.Registered Dietitian1598978132
  3. Zhanna Byalaya, PAPhysician Assistant1083740542
  4. Brooke Caldwell, M.D.Diagnostic Radiology Physician1134176969
  5. Barbara Egan, M.D.Medical Oncology Physician1154418622
  6. Joseph Grant, M.D.Orthopaedic Surgery of the Spine Physician1831196435

Verify Hanh-Nguyen Do in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A65840
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

31 obstetrics & gynecology physician records list a practice address in Pleasanton

They are 31 of the 2,213 NPPES records with a practice address in Pleasanton, and 5,088 obstetrics & gynecology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other obstetrics & gynecology physician records in California

  1. Ingrid Aalami, MDSan Jose, CA1952376550
  2. Avisa Abaian- Eagar, M.D.Orange, CA1316057755
  3. Derek Abbassi, MDWalnut Creek, CA1841364155
  4. Ahmed Abdelaziz, MDSanta Maria, CA1790039733
  5. Alireza Abdollah Shamshirsaz, M.D.Palo Alto, CA1881804235
  6. Nicole Abell, DOVentura, CA1811243603
  7. Zachary AbelsonLos Angeles, CA1689237414
  8. Ray Abinader, M.D.Loma Linda, CA1770901548
  9. Tarek Abou El Kheir, M.D.San Bernardino, CA1477521789
  10. Nada Abou-HaibaLos Angeles, CA1134067549

Common questions

What is Hanh-Nguyen Do, MD's NPI number?

Hanh-Nguyen Do, MD's National Provider Identifier (NPI) is 1003907338, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Hanh-Nguyen Do, MD located?

The NPPES record lists a practice address at 5725 W Las Positas Blvd, Pleasanton, CA, 94588. Phone: (258) 479-3000. Providers update this record themselves, so call before visiting.

How can I verify Hanh-Nguyen Do, MD's license?

NPPES lists California license number A65840, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.