Joanne Gras, DO
NPI 1518045608 · Obstetrics & Gynecology Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanne Gras, DO is a Obstetrics & Gynecology Physician provider in Oakland, CA (NPI 1518045608).
Provider details
- NPI number
- 1518045608
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A6815 (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
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
- 2006-11-02
- Last updated
- 2014-09-19
Frequently asked questions
- What is Joanne Gras's NPI number?
- Joanne Gras's National Provider Identifier (NPI) is 1518045608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Gras's specialty?
- Joanne Gras is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Joanne Gras located?
- Joanne Gras's practice location on file with NPPES is 275 W Macarthur, Oakland, CA 94611-5641.
- What is Joanne Gras's phone number?
- The practice phone number listed in the NPPES registry for Joanne Gras is (510) 752-1000.
- Does Joanne Gras accept Medicare?
- Joanne Gras is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanne Gras's NPI active?
- Yes — Joanne Gras's NPI (1518045608) is active in the NPPES registry as of the last update on 2014-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.