Gregory Ian Fields, PHD
Clinical Psychologist · Sacramento, CA
Gregory Ian Fields, PHD is a clinical psychologist with a practice address in Sacramento, California, and NPI 1902852783, issued on May 25, 2006. Check the license (California PSY16113, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Ian Fields
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY16113 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2825 J St, Sacramento, CA 95816
- Phone
- (916) 425-3177
- Enumerated
- May 25, 2006
- Record last updated
- Aug 12, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20061020000438); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 2825 J St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alene Antelman-Aldrich, PAPhysician Assistant1750328951
- Brigitte Berry, M.D.Internal Medicine Physician1477741973
- Wendy CarmicklePhysical Therapist1093026817
- Jennifer Draper, M.D.Internal Medicine Physician1609926526
- Tessa Gaynor, RD, CNSCPediatric Nutrition Registered Dietitian1962632604
- Charles Halsted, M.D.Specialist1558451708
Verify Gregory Ian Fields in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY16113Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Sutter Valley Medical FoundationRoseville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Ian Fields among 12,647 clinical psychologist records in California
Gregory Ian Fields, PHD is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 80% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1997 · median 2006 among the 2,424 with a school on file
- Record last updated2013 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Psychologist providers in California
There are 12,647 clinical psychologist records in California.
All 12,647 in California → Every provider in Sacramento → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Caryn Banque, PSYDSacramento, CA 958161477685253
- Ann Bezmalinovic, PSYDSacramento, CA 958161831269141
- Dale Blunden, PH.D.Sacramento, CA 958161558394619
- Karl Buddenhagen, PH.D.Sacramento, CA 958161932145331
- Patricia Hines, PH.D.Sacramento, CA 958161134235997
- Kenneth Hood, PH.D.Sacramento, CA 958161881651693
- Karen Hutchinson, PH.D.Sacramento, CA 958161902952179
- Jackie Keller, PHDSacramento, CA 958161528075736
Common questions
What is Gregory Ian Fields, PHD's NPI number?
Gregory Ian Fields, PHD's National Provider Identifier (NPI) is 1902852783, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Ian Fields, PHD located?
The NPPES record lists a practice address at 2825 J St, Sacramento, CA, 95816. Phone: (916) 425-3177. Providers update this record themselves, so call before visiting.
How can I verify Gregory Ian Fields, PHD's license?
NPPES lists California license number PSY16113, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.