Barbara Buettner, RN
NPI 1689963001 · Obstetrics & Gynecology Nurse Practitioner · San Ramon, CA
Barbara Buettner, RN is a Obstetrics & Gynecology Nurse Practitioner provider in San Ramon, CA (NPI 1689963001).
Provider details
- NPI number
- 1689963001
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 492292 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2011-04-06
- Last updated
- 2011-04-12
Frequently asked questions
- What is Barbara Buettner's NPI number?
- Barbara Buettner's National Provider Identifier (NPI) is 1689963001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Buettner's specialty?
- Barbara Buettner is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Barbara Buettner located?
- Barbara Buettner's practice location on file with NPPES is 5201 Norris Canyon Rd Ste 310, San Ramon, CA 94583-5405.
- What is Barbara Buettner's phone number?
- The practice phone number listed in the NPPES registry for Barbara Buettner is (925) 327-1500.
- Is Barbara Buettner's NPI active?
- Yes — Barbara Buettner's NPI (1689963001) is active in the NPPES registry as of the last update on 2011-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.