Gregory Ian Fields, Ph. D. Psychologist, Inc.
NPI 1952492530 · Clinical Psychologist · Sacramento, CA
Gregory Ian Fields, Ph. D. Psychologist, Inc. is a Clinical Psychologist organization in Sacramento, CA (NPI 1952492530).
Provider details
- NPI number
- 1952492530
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Gregory Fields, President(916) 425-3177
- License
- PSY16113 (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
- 2006-09-27
- Last updated
- 2023-12-11
- Certified
- 2023-12-11
Frequently asked questions
- What is Gregory Ian Fields, Ph. D. Psychologist, Inc.'s NPI number?
- Gregory Ian Fields, Ph. D. Psychologist, Inc.'s National Provider Identifier (NPI) is 1952492530, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gregory Ian Fields, Ph. D. Psychologist, Inc.?
- Gregory Ian Fields, Ph. D. Psychologist, Inc. is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gregory Ian Fields, Ph. D. Psychologist, Inc. located?
- Gregory Ian Fields, Ph. D. Psychologist, Inc.'s practice location on file with NPPES is 2929 K St Ste 300, Sacramento, CA 95816-5122.
- What is Gregory Ian Fields, Ph. D. Psychologist, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Gregory Ian Fields, Ph. D. Psychologist, Inc. is (916) 425-3177.
- Who is the authorized official for Gregory Ian Fields, Ph. D. Psychologist, Inc.?
- The authorized official listed on Gregory Ian Fields, Ph. D. Psychologist, Inc.'s NPPES record is Gregory Fields, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gregory Ian Fields, Ph. D. Psychologist, Inc.'s NPI active?
- Yes — Gregory Ian Fields, Ph. D. Psychologist, Inc.'s NPI (1952492530) is active in the NPPES registry as of the last update on 2023-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.