William Jeppeson, MFT
NPI 1518149293 · Marriage & Family Therapist · Greenbrae, CA
William Jeppeson, MFT is a Marriage & Family Therapist provider in Greenbrae, CA (NPI 1518149293).
Provider details
- NPI number
- 1518149293
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFT
- Sex
- Male
- Sole proprietor
- No
- License
- 9321 (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
18 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
- 2007-12-04
- Last updated
- 2011-09-09
Frequently asked questions
- What is William Jeppeson's NPI number?
- William Jeppeson's National Provider Identifier (NPI) is 1518149293, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Jeppeson's specialty?
- William Jeppeson is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is William Jeppeson located?
- William Jeppeson's practice location on file with NPPES is 250 Bon Air Rd, Greenbrae, CA 94904-1702.
- What is William Jeppeson's phone number?
- The practice phone number listed in the NPPES registry for William Jeppeson is (415) 827-0598.
- Is William Jeppeson's NPI active?
- Yes — William Jeppeson's NPI (1518149293) is active in the NPPES registry as of the last update on 2011-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.