Robert Vandergraaf, DO
NPI 1689681595 · Anesthesiology Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Vandergraaf, DO is a Anesthesiology Physician provider in Vallejo, CA (NPI 1689681595).
Provider details
- NPI number
- 1689681595
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A9081 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-08-02
- Last updated
- 2012-03-15
Frequently asked questions
- What is Robert Vandergraaf's NPI number?
- Robert Vandergraaf's National Provider Identifier (NPI) is 1689681595, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Vandergraaf's specialty?
- Robert Vandergraaf is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Vandergraaf located?
- Robert Vandergraaf's practice location on file with NPPES is 300 Hospital Dr, Vallejo, CA 94589.
- What is Robert Vandergraaf's phone number?
- The practice phone number listed in the NPPES registry for Robert Vandergraaf is (707) 554-4444.
- Does Robert Vandergraaf accept Medicare?
- Robert Vandergraaf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Vandergraaf's NPI active?
- Yes — Robert Vandergraaf's NPI (1689681595) is active in the NPPES registry as of the last update on 2012-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.