Dean Thorsen
NPI 1023468220 · Anesthesiology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dean Thorsen is a Anesthesiology Physician provider in San Francisco, CA (NPI 1023468220).
Provider details
- NPI number
- 1023468220
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 2016020425 (MO)
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
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 660 S Euclid AveDepartment of AnesthesiologySaint Louis, MO 63110-1010Phone: (314) 362-5000
Registry dates
- Enumerated
- 2016-06-17
- Last updated
- 2021-12-20
- Certified
- 2020-06-29
Frequently asked questions
- What is Dean Thorsen's NPI number?
- Dean Thorsen's National Provider Identifier (NPI) is 1023468220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dean Thorsen's specialty?
- Dean Thorsen is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Dean Thorsen located?
- Dean Thorsen's practice location on file with NPPES is 1975 4th St, San Francisco, CA 94143-2351.
- What is Dean Thorsen's phone number?
- The practice phone number listed in the NPPES registry for Dean Thorsen is (415) 476-1000.
- Does Dean Thorsen accept Medicare?
- Dean Thorsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dean Thorsen's NPI active?
- Yes — Dean Thorsen's NPI (1023468220) is active in the NPPES registry as of the last update on 2021-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.