De Anza Obstetrics and Gynecology Medical Group, Inc.
NPI 1477630580 · Obstetrics & Gynecology Physician · Riverside, CA
De Anza Obstetrics and Gynecology Medical Group, Inc. is a Obstetrics & Gynecology Physician organization in Riverside, CA (NPI 1477630580).
Provider details
- NPI number
- 1477630580
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Guillermo Valenzuela, President(909) 580-3470
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Maternal & Fetal Medicine Physician207VM0101X
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
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
- 2006-11-01
- Last updated
- 2014-10-13
Frequently asked questions
- What is De Anza Obstetrics and Gynecology Medical Group, Inc.'s NPI number?
- De Anza Obstetrics and Gynecology Medical Group, Inc.'s National Provider Identifier (NPI) is 1477630580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is De Anza Obstetrics and Gynecology Medical Group, Inc.?
- De Anza Obstetrics and Gynecology Medical Group, Inc. is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is De Anza Obstetrics and Gynecology Medical Group, Inc. located?
- De Anza Obstetrics and Gynecology Medical Group, Inc.'s practice location on file with NPPES is 4190 Chicago Ave, Riverside, CA 92507-5348.
- What is De Anza Obstetrics and Gynecology Medical Group, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for De Anza Obstetrics and Gynecology Medical Group, Inc. is (951) 683-2106.
- Who is the authorized official for De Anza Obstetrics and Gynecology Medical Group, Inc.?
- The authorized official listed on De Anza Obstetrics and Gynecology Medical Group, Inc.'s NPPES record is Guillermo Valenzuela, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is De Anza Obstetrics and Gynecology Medical Group, Inc.'s NPI active?
- Yes — De Anza Obstetrics and Gynecology Medical Group, Inc.'s NPI (1477630580) is active in the NPPES registry as of the last update on 2014-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.