Diane Keller, LMFT
NPI 1598658619 · Marriage & Family Therapist · San Jose, CA
Diane Keller, LMFT is a Marriage & Family Therapist provider in San Jose, CA (NPI 1598658619).
Provider details
- NPI number
- 1598658619
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- No
- License
- 155039 (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
1 yr 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
- 2025-05-29
- Last updated
- 2025-05-29
- Certified
- 2025-05-23
Frequently asked questions
- What is Diane Keller's NPI number?
- Diane Keller's National Provider Identifier (NPI) is 1598658619, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Keller's specialty?
- Diane Keller is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Diane Keller located?
- Diane Keller's practice location on file with NPPES is 5655 Silver Creek Valley Rd # 706, San Jose, CA 95138-2473.
- What is Diane Keller's phone number?
- The practice phone number listed in the NPPES registry for Diane Keller is (833) 878-7864.
- Is Diane Keller's NPI active?
- Yes — Diane Keller's NPI (1598658619) is active in the NPPES registry as of the last update on 2025-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.