Mark Galyean, AMFT
NPI 1598256471 · Marriage & Family Therapist · Sun Valley, CA
Mark Galyean, AMFT is a Marriage & Family Therapist provider in Sun Valley, CA (NPI 1598256471).
Provider details
- NPI number
- 1598256471
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- AMFT
- Sex
- Male
- Sole proprietor
- No
- License
- 104696 (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
8 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
- 2018-05-25
- Last updated
- 2018-05-25
Frequently asked questions
- What is Mark Galyean's NPI number?
- Mark Galyean's National Provider Identifier (NPI) is 1598256471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Galyean's specialty?
- Mark Galyean is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Mark Galyean located?
- Mark Galyean's practice location on file with NPPES is 8140 Sunland Blvd, Sun Valley, CA 91352-3948.
- What is Mark Galyean's phone number?
- The practice phone number listed in the NPPES registry for Mark Galyean is (818) 582-8832.
- Is Mark Galyean's NPI active?
- Yes — Mark Galyean's NPI (1598256471) is active in the NPPES registry as of the last update on 2018-05-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.