Diane Bielefeld, LMFT
NPI 1427871698 · Marriage & Family Therapist · San Anselmo, CA
Diane Bielefeld, LMFT is a Marriage & Family Therapist provider in San Anselmo, CA (NPI 1427871698).
Provider details
- NPI number
- 1427871698
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 93884 (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
- 2024-11-05
- Last updated
- 2024-11-05
- Certified
- 2024-11-05
Frequently asked questions
- What is Diane Bielefeld's NPI number?
- Diane Bielefeld's National Provider Identifier (NPI) is 1427871698, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Bielefeld's specialty?
- Diane Bielefeld is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Diane Bielefeld located?
- Diane Bielefeld's practice location on file with NPPES is 171 Prospect Ave, San Anselmo, CA 94960-2520.
- What is Diane Bielefeld's phone number?
- The practice phone number listed in the NPPES registry for Diane Bielefeld is (415) 710-1967.
- Is Diane Bielefeld's NPI active?
- Yes — Diane Bielefeld's NPI (1427871698) is active in the NPPES registry as of the last update on 2024-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.