William Herkelrath
NPI 1902472301 · Marriage & Family Therapist · Mill Valley, CA
William Herkelrath is a Marriage & Family Therapist provider in Mill Valley, CA (NPI 1902472301).
Provider details
- NPI number
- 1902472301
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- LMFT20107 (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
5 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
- 2021-05-27
- Last updated
- 2024-11-25
- Certified
- 2024-11-25
Frequently asked questions
- What is William Herkelrath's NPI number?
- William Herkelrath's National Provider Identifier (NPI) is 1902472301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Herkelrath's specialty?
- William Herkelrath is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is William Herkelrath located?
- William Herkelrath's practice location on file with NPPES is 1038 Redwood Hwy Frontage Rd Ste 1, Mill Valley, CA 94941-1620.
- What is William Herkelrath's phone number?
- The practice phone number listed in the NPPES registry for William Herkelrath is (801) 562-4484.
- Is William Herkelrath's NPI active?
- Yes — William Herkelrath's NPI (1902472301) is active in the NPPES registry as of the last update on 2024-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.