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Zack Medoff, PHD
NPI 1194977876 · Clinical Psychologist · Napa, CA
Zack Medoff, PHD is a Clinical Psychologist provider in Napa, CA (NPI 1194977876).
Provider details
- NPI number
- 1194977876
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- PSY 22239 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
2100 Napa Vallejo Hwy
Napa, CA 94558-6234
Phone: (707) 253-5000
Fax: (707) 253-5513
Street-level locationGet directions
Mailing address
Po Box 944202
Sacramento, CA 94244-2020
Registry dates
- Enumerated
- 2008-10-14
- Last updated
- 2008-10-14
Frequently asked questions
- What is Zack Medoff's NPI number?
- Zack Medoff's National Provider Identifier (NPI) is 1194977876, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zack Medoff's specialty?
- Zack Medoff is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Zack Medoff located?
- Zack Medoff's practice location on file with NPPES is 2100 Napa Vallejo Hwy, Napa, CA 94558-6234.
- What is Zack Medoff's phone number?
- The practice phone number listed in the NPPES registry for Zack Medoff is (707) 253-5000.
- Is Zack Medoff's NPI active?
- Yes — Zack Medoff's NPI (1194977876) is active in the NPPES registry as of the last update on 2008-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.