Bonnie Zell, M.D.
NPI 1528465192 · Obstetrics & Gynecology Physician · Oakland, CA
Bonnie Zell, M.D. is a Obstetrics & Gynecology Physician provider in Oakland, CA (NPI 1528465192).
Provider details
- NPI number
- 1528465192
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G65911 (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
11 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)
- 1111 W El Camino RealSte 109-201Sunnyvale, CA 94087-1056Phone: (415) 926-5818Fax: (844) 610-6728
Registry dates
- Enumerated
- 2014-11-26
- Last updated
- 2018-03-17
Frequently asked questions
- What is Bonnie Zell's NPI number?
- Bonnie Zell's National Provider Identifier (NPI) is 1528465192, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bonnie Zell's specialty?
- Bonnie Zell is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Bonnie Zell located?
- Bonnie Zell's practice location on file with NPPES is 1800 Harrison St Fl 7, Oakland, CA 94612-3466.
- What is Bonnie Zell's phone number?
- The practice phone number listed in the NPPES registry for Bonnie Zell is (510) 625-6213.
- Is Bonnie Zell's NPI active?
- Yes — Bonnie Zell's NPI (1528465192) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.