Gregory Eugene Federer, M.D.
Diagnostic Radiology Physician · Yuba City, CA
Gregory Eugene Federer, M.D. is a diagnostic radiology physician with a practice address in Yuba City, California, and NPI 1487817706, issued on Jul 7, 2008. Check the license (California A125076, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Eugene Federer
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- A125076 CA
Self-reported in NPPES; status is on the state search - Practice location
- 440 Plumas Blvd, Yuba City, CA 95991
- Phone
- (530) 749-3301
- Enumerated
- Jul 7, 2008
- Record last updated
- Jul 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20130614000181); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 440 Plumas Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory Eugene Federer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A125076Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 93.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Jason L Hwang MD IncRocklin, CA
- Sutter Valley Medical FoundationBrownsville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Eugene Federer among 4,500 diagnostic radiology physician records in California
Gregory Eugene Federer, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 36% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2008 · median 2004 among the 3,130 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Yuba City → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Nancy Chege, MDYuba City, CA 959911427148121
- Daniel Dorsey, M.D.Yuba City, CA 959911952389546
- Nelson Frink, M.D.Yuba City, CA 959911356329932
- Maria Garcia, M.D.Yuba City, CA 959911750301644
- Amanda Hoang, MDYuba City, CA 959911598912909
- Susan Lott, M.D.Yuba City, CA 959911841278348
- Mark Schneider, M.D.Yuba City, CA 959911548278690
- Philip Shelton, M.D.Yuba City, CA 959911881672392
Common questions
What is Gregory Eugene Federer, M.D.'s NPI number?
Gregory Eugene Federer, M.D.'s National Provider Identifier (NPI) is 1487817706, issued on Jul 7, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Eugene Federer, M.D. located?
The NPPES record lists a practice address at 440 Plumas Blvd, Yuba City, CA, 95991. Phone: (530) 749-3301. Providers update this record themselves, so call before visiting.
How can I verify Gregory Eugene Federer, M.D.'s license?
NPPES lists California license number A125076, 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.
What is Gregory Eugene Federer, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.