Thomas Stern, PHD
NPI 1821068610 · Psychologist · San Francisco, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Stern, PHD is a Psychologist provider in San Francisco, CA (NPI 1821068610).
Provider details
- NPI number
- 1821068610
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY4982 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-01-24
- Last updated
- 2022-08-03
- Certified
- 2022-08-03
Frequently asked questions
- What is Thomas Stern's NPI number?
- Thomas Stern's National Provider Identifier (NPI) is 1821068610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Stern's specialty?
- Thomas Stern is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Thomas Stern located?
- Thomas Stern's practice location on file with NPPES is 2345 California St, San Francisco, CA 94115-2747.
- What is Thomas Stern's phone number?
- The practice phone number listed in the NPPES registry for Thomas Stern is (415) 905-4128.
- Does Thomas Stern accept Medicare?
- Thomas Stern is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Stern's NPI active?
- Yes — Thomas Stern's NPI (1821068610) is active in the NPPES registry as of the last update on 2022-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.