Diana Sevastyanova, AMFT
NPI 1427907278 · Marriage & Family Therapist · Pasadena, CA
Diana Sevastyanova, AMFT is a Marriage & Family Therapist provider in Pasadena, CA (NPI 1427907278).
Provider details
- NPI number
- 1427907278
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- AMFT
- Sex
- Female
- Sole proprietor
- No
- License
- 160354 (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
- 2026-01-26
- Last updated
- 2026-01-26
- Certified
- 2026-01-26
Frequently asked questions
- What is Diana Sevastyanova's NPI number?
- Diana Sevastyanova's National Provider Identifier (NPI) is 1427907278, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Sevastyanova's specialty?
- Diana Sevastyanova is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Diana Sevastyanova located?
- Diana Sevastyanova's practice location on file with NPPES is 200 E Del Mar Blvd Ste 160, Pasadena, CA 91105-2507.
- What is Diana Sevastyanova's phone number?
- The practice phone number listed in the NPPES registry for Diana Sevastyanova is (323) 505-2538.
- Is Diana Sevastyanova's NPI active?
- Yes — Diana Sevastyanova's NPI (1427907278) is active in the NPPES registry as of the last update on 2026-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.