Dr Gregory Ian Fields, PHD - Medicare Psychologist in Sacramento, CA

Dr Gregory Ian Fields, PHD is a medicare enrolled "Psychologist - Clinical" provider in Sacramento, California. He went to Texas Tech University Health Science Center School Of Medicine and graduated in 1997 and has 27 years of diverse experience with area of expertise as Clinical Psychologist. His current practice location is 2825 J St, Suite 435, Sacramento, California. You can reach out to his office (for appointments etc.) via phone at (916) 425-3177.

Dr Gregory Ian Fields is licensed to practice in California (license number PSY16113) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1902852783.

Contact Information

Dr Gregory Ian Fields, PHD
2825 J St, Suite 435,
Sacramento, CA 95816-4300
(916) 425-3177
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameDr Gregory Ian Fields
GenderMale
SpecialityClinical Psychologist
Experience27 Years
Location2825 J St, Sacramento, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Gregory Ian Fields attended and graduated from Texas Tech University Health Science Center School Of Medicine in 1997
  NPI Data:
  • NPI Number: 1902852783
  • Provider Enumeration Date: 05/25/2006
  • Last Update Date: 08/12/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 6608873393
  • Enrollment ID: I20061020000438

Medical Identifiers

Medical identifiers for Dr Gregory Ian Fields such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902852783NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
103TC0700XPsychologist - Clinical PSY16113 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Gregory Ian Fields allows following entities to bill medicare on his behalf.
Entity NameGregory Ian Fields Phd Psychologist Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952492530
PECOS PAC ID: 2163424375
Enrollment ID: O20070131000637
Entity NameSutter Valley Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669846986
PECOS PAC ID: 9830094515
Enrollment ID: O20090311000335

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Gregory Ian Fields is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Gregory Ian Fields, PHD
2825 J St, Suite 435,
Sacramento, CA 95816-4300

Ph: (916) 425-3177
Dr Gregory Ian Fields, PHD
2825 J St, Suite 435,
Sacramento, CA 95816-4300

Ph: (916) 425-3177

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.