Mark Phelan, LMFT
NPI 1477100279 · Marriage & Family Therapist · Santa Monica, CA
Mark Phelan, LMFT is a Marriage & Family Therapist provider in Santa Monica, CA (NPI 1477100279).
Provider details
- NPI number
- 1477100279
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 115079 (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
6 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
- 2019-08-26
- Last updated
- 2023-02-08
- Certified
- 2023-02-08
Frequently asked questions
- What is Mark Phelan's NPI number?
- Mark Phelan's National Provider Identifier (NPI) is 1477100279, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Phelan's specialty?
- Mark Phelan is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Mark Phelan located?
- Mark Phelan's practice location on file with NPPES is 1118 20th St Apt B, Santa Monica, CA 90403-5635.
- What is Mark Phelan's phone number?
- The practice phone number listed in the NPPES registry for Mark Phelan is (310) 699-4187.
- Is Mark Phelan's NPI active?
- Yes — Mark Phelan's NPI (1477100279) is active in the NPPES registry as of the last update on 2023-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.