Maximilian Stephan
NPI 1891556221 · Marriage & Family Therapist · San Francisco, CA
Maximilian Stephan is a Marriage & Family Therapist provider in San Francisco, CA (NPI 1891556221).
Provider details
- NPI number
- 1891556221
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- AMFT155198 (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
2 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
- 2024-01-22
- Last updated
- 2025-06-11
- Certified
- 2024-01-22
Frequently asked questions
- What is Maximilian Stephan's NPI number?
- Maximilian Stephan's National Provider Identifier (NPI) is 1891556221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maximilian Stephan's specialty?
- Maximilian Stephan is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Maximilian Stephan located?
- Maximilian Stephan's practice location on file with NPPES is 4155 24th St, San Francisco, CA 94114.
- What is Maximilian Stephan's phone number?
- The practice phone number listed in the NPPES registry for Maximilian Stephan is (650) 271-9367.
- Is Maximilian Stephan's NPI active?
- Yes — Maximilian Stephan's NPI (1891556221) is active in the NPPES registry as of the last update on 2025-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.