Women'S Primary Health Physicians Diablo Valley
NPI 1427387430 · Obstetrics & Gynecology Physician · Walnut Creek, CA
Women'S Primary Health Physicians Diablo Valley is a Obstetrics & Gynecology Physician organization in Walnut Creek, CA (NPI 1427387430).
Provider details
- NPI number
- 1427387430
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Sondel, Ceo(925) 944-4837
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
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2009-12-22
- Last updated
- 2009-12-22
Frequently asked questions
- What is Women'S Primary Health Physicians Diablo Valley's NPI number?
- Women'S Primary Health Physicians Diablo Valley's National Provider Identifier (NPI) is 1427387430, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Women'S Primary Health Physicians Diablo Valley?
- Women'S Primary Health Physicians Diablo Valley is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Women'S Primary Health Physicians Diablo Valley located?
- Women'S Primary Health Physicians Diablo Valley's practice location on file with NPPES is 4450 Walnut Blvd, Walnut Creek, CA 94596-6132.
- What is Women'S Primary Health Physicians Diablo Valley's phone number?
- The practice phone number listed in the NPPES registry for Women'S Primary Health Physicians Diablo Valley is (925) 944-4837.
- Who is the authorized official for Women'S Primary Health Physicians Diablo Valley?
- The authorized official listed on Women'S Primary Health Physicians Diablo Valley's NPPES record is Michael Sondel, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Women'S Primary Health Physicians Diablo Valley's NPI active?
- Yes — Women'S Primary Health Physicians Diablo Valley's NPI (1427387430) is active in the NPPES registry as of the last update on 2009-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.