Mark Ryan, PSYD
NPI 1568709475 · Clinical Psychologist · San Francisco, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ryan, PSYD is a Clinical Psychologist provider in San Francisco, CA (NPI 1568709475).
Provider details
- NPI number
- 1568709475
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 30340 (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
13 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)
- 4283 Piedmont Ave Ste 42Oakland, CA 94611-4758Phone: (415) 941-5373
Registry dates
- Enumerated
- 2013-01-11
- Last updated
- 2022-02-11
Frequently asked questions
- What is Mark Ryan's NPI number?
- Mark Ryan's National Provider Identifier (NPI) is 1568709475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ryan's specialty?
- Mark Ryan is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Ryan located?
- Mark Ryan's practice location on file with NPPES is 45 Franklin St, San Francisco, CA 94102-6017.
- What is Mark Ryan's phone number?
- The practice phone number listed in the NPPES registry for Mark Ryan is (415) 941-5372.
- Does Mark Ryan accept Medicare?
- Mark Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Ryan's NPI active?
- Yes — Mark Ryan's NPI (1568709475) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.