Senzan Hsu, M.D.
NPI 1184677940 · Obstetrics & Gynecology Physician · Hayward, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Senzan Hsu, M.D. is a Obstetrics & Gynecology Physician provider in Hayward, CA (NPI 1184677940).
Provider details
- NPI number
- 1184677940
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A70309 (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
20 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)
- 500 W Hospital RdFrench Camp, CA 95231-9693Phone: (209) 468-6184Fax: (209) 468-6346
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2023-08-29
- Certified
- 2023-08-29
Frequently asked questions
- What is Senzan Hsu's NPI number?
- Senzan Hsu's National Provider Identifier (NPI) is 1184677940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Senzan Hsu's specialty?
- Senzan Hsu is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Senzan Hsu located?
- Senzan Hsu's practice location on file with NPPES is 27225 Calaroga Ave, Hayward, CA 94545-4338.
- What is Senzan Hsu's phone number?
- The practice phone number listed in the NPPES registry for Senzan Hsu is (510) 342-0020.
- Does Senzan Hsu accept Medicare?
- Senzan Hsu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Senzan Hsu's NPI active?
- Yes — Senzan Hsu's NPI (1184677940) is active in the NPPES registry as of the last update on 2023-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.