Ian Whitmarsh, MA
NPI 1851278659 · Marriage & Family Therapist · San Francisco, CA
Ian Whitmarsh, MA is a Marriage & Family Therapist provider in San Francisco, CA (NPI 1851278659).
Provider details
- NPI number
- 1851278659
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MA
- Sex
- Male
- Sole proprietor
- Yes
- License
- 150580 (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
Under 1 yr in 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
- 2025-08-21
- Last updated
- 2025-08-21
- Certified
- 2025-08-21
Frequently asked questions
- What is Ian Whitmarsh's NPI number?
- Ian Whitmarsh's National Provider Identifier (NPI) is 1851278659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Whitmarsh's specialty?
- Ian Whitmarsh is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Ian Whitmarsh located?
- Ian Whitmarsh's practice location on file with NPPES is 2964 Fillmore St, San Francisco, CA 94123-4024.
- What is Ian Whitmarsh's phone number?
- The practice phone number listed in the NPPES registry for Ian Whitmarsh is (415) 687-2049.
- Is Ian Whitmarsh's NPI active?
- Yes — Ian Whitmarsh's NPI (1851278659) is active in the NPPES registry as of the last update on 2025-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.