Bernd Claassen, MD
NPI 1194803924 · Anesthesiology Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bernd Claassen, MD is a Anesthesiology Physician provider in Vallejo, CA (NPI 1194803924).
Provider details
- NPI number
- 1194803924
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A73303 (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
- 2006-11-01
- Last updated
- 2021-12-13
Frequently asked questions
- What is Bernd Claassen's NPI number?
- Bernd Claassen's National Provider Identifier (NPI) is 1194803924, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bernd Claassen's specialty?
- Bernd Claassen is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Bernd Claassen located?
- Bernd Claassen's practice location on file with NPPES is 975 Sereno Dr, Vallejo, CA 94589-2441.
- What is Bernd Claassen's phone number?
- The practice phone number listed in the NPPES registry for Bernd Claassen is (707) 651-1000.
- Does Bernd Claassen accept Medicare?
- Bernd Claassen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bernd Claassen's NPI active?
- Yes — Bernd Claassen's NPI (1194803924) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.