IndividualActive
Barbara Griesau
NPI 1609934884 · Family Medicine Physician · Martinez, CA
Barbara Griesau is a Family Medicine Physician provider in Martinez, CA (NPI 1609934884).
Provider details
- NPI number
- 1609934884
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN345384 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
2500 Alhambra Ave
Martinez, CA 94553-3156
Phone: (925) 370-5110
Fax: (925) 370-5142
Street-level locationGet directions
Mailing address
50 Douglas Dr
Martinez, CA 94553-4098
Registry dates
- Enumerated
- 2006-12-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Barbara Griesau's NPI number?
- Barbara Griesau's National Provider Identifier (NPI) is 1609934884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Griesau's specialty?
- Barbara Griesau is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Griesau located?
- Barbara Griesau's practice location on file with NPPES is 2500 Alhambra Ave, Martinez, CA 94553-3156.
- What is Barbara Griesau's phone number?
- The practice phone number listed in the NPPES registry for Barbara Griesau is (925) 370-5110.
- Is Barbara Griesau's NPI active?
- Yes — Barbara Griesau's NPI (1609934884) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.