Gregory Whittaker, LMFC
NPI 1831263813 · Marriage & Family Therapist · Gilroy, CA
Gregory Whittaker, LMFC is a Marriage & Family Therapist provider in Gilroy, CA (NPI 1831263813).
Provider details
- NPI number
- 1831263813
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFC
- Sex
- Male
- Sole proprietor
- Yes
- License
- MFC23273 (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
19 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
- 2006-11-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Whittaker's NPI number?
- Gregory Whittaker's National Provider Identifier (NPI) is 1831263813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Whittaker's specialty?
- Gregory Whittaker is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Gregory Whittaker located?
- Gregory Whittaker's practice location on file with NPPES is 8371 Church St, Gilroy, CA 95020-4406.
- What is Gregory Whittaker's phone number?
- The practice phone number listed in the NPPES registry for Gregory Whittaker is (408) 848-3331.
- Is Gregory Whittaker's NPI active?
- Yes — Gregory Whittaker's NPI (1831263813) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.