Maxwell Custer, LMFT
NPI 1881329787 · Marriage & Family Therapist · San Francisco, CA
Maxwell Custer, LMFT is a Marriage & Family Therapist provider in San Francisco, CA (NPI 1881329787).
Provider details
- NPI number
- 1881329787
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 163002 (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
3 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
- 2022-07-24
- Last updated
- 2026-04-28
- Certified
- 2026-04-28
Frequently asked questions
- What is Maxwell Custer's NPI number?
- Maxwell Custer's National Provider Identifier (NPI) is 1881329787, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maxwell Custer's specialty?
- Maxwell Custer is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Maxwell Custer located?
- Maxwell Custer's practice location on file with NPPES is 2506 Clay St, San Francisco, CA 94115-1811.
- What is Maxwell Custer's phone number?
- The practice phone number listed in the NPPES registry for Maxwell Custer is (415) 617-5222.
- Is Maxwell Custer's NPI active?
- Yes — Maxwell Custer's NPI (1881329787) is active in the NPPES registry as of the last update on 2026-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.