Defina Health
NPI 1447935721 · Psychiatry Physician · San Francisco, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Defina Health is a Psychiatry Physician organization in San Francisco, CA (NPI 1447935721).
Provider details
- NPI number
- 1447935721
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Genesis Javaherian, Co-Founder(415) 417-1929
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Case Management Agency251B00000X
Agencies
- Home Health Agency251E00000X
Agencies
Behavioral Health & Social Service Providers
- Counseling Psychologist103TC1900X
Behavioral Health & Social Service Providers
- Cognitive & Behavioral Psychologist103TB0200X
Behavioral Health & Social Service Providers
- Adult Mental Health Clinic/Center261QM0850X
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
- 2023-06-15
- Last updated
- 2025-11-12
- Certified
- 2025-11-12
Frequently asked questions
- What is Defina Health's NPI number?
- Defina Health's National Provider Identifier (NPI) is 1447935721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Defina Health?
- Defina Health is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Defina Health located?
- Defina Health's practice location on file with NPPES is 999 Sutter St Ste 110, San Francisco, CA 94109-6023.
- What is Defina Health's phone number?
- The practice phone number listed in the NPPES registry for Defina Health is (415) 417-1929.
- Does Defina Health accept Medicare?
- Defina Health is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Defina Health?
- The authorized official listed on Defina Health's NPPES record is Genesis Javaherian, Co-Founder. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Defina Health's NPI active?
- Yes — Defina Health's NPI (1447935721) is active in the NPPES registry as of the last update on 2025-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.