Hanh-Nguyen DO, MD
NPI 1003907338 · Obstetrics & Gynecology Physician · Pleasanton, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hanh-Nguyen DO, MD is a Obstetrics & Gynecology Physician provider in Pleasanton, CA (NPI 1003907338).
Provider details
- NPI number
- 1003907338
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A65840 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 39210 State StSuite 212Fremont, CA 94538-1456Phone: (510) 796-0162Fax: (510) 796-0165
Registry dates
- Enumerated
- 2006-09-28
- Last updated
- 2024-09-06
- Certified
- 2024-09-06
Frequently asked questions
- What is Hanh-Nguyen DO's NPI number?
- Hanh-Nguyen DO's National Provider Identifier (NPI) is 1003907338, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hanh-Nguyen DO's specialty?
- Hanh-Nguyen DO is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Hanh-Nguyen DO located?
- Hanh-Nguyen DO's practice location on file with NPPES is 5725 W Las Positas Blvd, Pleasanton, CA 94588-4054.
- What is Hanh-Nguyen DO's phone number?
- The practice phone number listed in the NPPES registry for Hanh-Nguyen DO is (258) 479-3000.
- Does Hanh-Nguyen DO accept Medicare?
- Hanh-Nguyen DO is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hanh-Nguyen DO's NPI active?
- Yes — Hanh-Nguyen DO's NPI (1003907338) is active in the NPPES registry as of the last update on 2024-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.