Matthew Fields, D.O.
Family Medicine Physician · Folsom, CA
Matthew Fields, D.O. is a family medicine physician with a practice address in Folsom, California, and NPI 1750793279, issued on Jun 2, 2014. Check the license (California 20A15348, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew Fields
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A15348 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2155 Iron Point RD, Folsom, CA 95630
- Phone
- (916) 817-5200
- Enumerated
- Jun 2, 2014
- Record last updated
- Dec 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (916) 817-5315
- Medicare enrollment
- Enrolled (PECOS I20171018003343); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2155 Iron Point RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pragyan Adhikari, MDInternal Medicine Physician1447836432
- Anjani Amladi-Gomez, MDPsychiatry Physician1659765576
- Rose Arellanes, M.D.Family Medicine Physician1902889512
- Anisul Aslam, MDInternal Medicine Physician1356413165
- Rita Azzam Caso, D.O.Adult Medicine Physician1518022219
- Sukhkarn Bains, MDInternal Medicine Physician1598128225
Verify Matthew Fields in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A15348Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average family medicine physician in 2024
5,082 Medicare Part D claims for 441 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 191 claims were for opioids.
Most prescribed
- Losartan Potassium325 claims
- Atorvastatin Calcium309 claims
- Rosuvastatin Calcium233 claims
- Amlodipine Besylate202 claims
- Fluticasone Propionate198 claims
- Famotidine187 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Permanente Medical Group IncFolsom, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Fields among 17,133 family medicine physician records in California
Matthew Fields, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2014 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 family medicine physician records list a practice address in Folsom
They are 59 of the 1,811 NPPES records with a practice address in Folsom, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Folsom → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Rose Arellanes, M.D.Folsom, CA 956301902889512
- Victor Baquero, MDFolsom, CA 956301740265909
- Clinton Collins, MDFolsom, CA 956301275568651
- Ronald Flores, MDFolsom, CA 956301386610665
- Roy Greenberg, MDFolsom, CA 956301790779478
- Nancy Jaeger, MDFolsom, CA 956301518957992
- Marcella Jaeger, M.D.Folsom, CA 956301902858483
- Hamid Kazerouni Zadeh, MDFolsom, CA 956301952391344
Common questions
What is Matthew Fields, D.O.'s NPI number?
Matthew Fields, D.O.'s National Provider Identifier (NPI) is 1750793279, issued on Jun 2, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Fields, D.O. located?
The NPPES record lists a practice address at 2155 Iron Point RD, Folsom, CA, 95630. Phone: (916) 817-5200. Providers update this record themselves, so call before visiting.
How can I verify Matthew Fields, D.O.'s license?
NPPES lists California license number 20A15348, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew Fields, D.O. prescribe under Medicare Part D?
In 2024, Matthew Fields, D.O. had 5,082 Medicare Part D claims for 441 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions 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.