Gregory Federer, M.D.
NPI 1487817706 · Diagnostic Radiology Physician · Yuba City, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Federer, M.D. is a Diagnostic Radiology Physician provider in Yuba City, CA (NPI 1487817706).
Provider details
- NPI number
- 1487817706
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A125076 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,623 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 335 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 263 | $39 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 189 | $85 |
| Mri Scan of Brain Without Contrast70551 | 122 | $68 |
| Ultrasound of Abdomen and Pelvis Artery and Vein Blood Flow93976 | 106 | $37 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 79 | $84 |
Practice location
Mailing address
Additional practice locations (1)
- 55 Lake Ave NWorcester, MA 01655-0002Phone: (508) 334-1000
Registry dates
- Enumerated
- 2008-07-07
- Last updated
- 2025-07-07
- Certified
- 2025-07-07
Frequently asked questions
- What is Gregory Federer's NPI number?
- Gregory Federer's National Provider Identifier (NPI) is 1487817706, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Federer's specialty?
- Gregory Federer is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Federer located?
- Gregory Federer's practice location on file with NPPES is 440 Plumas Blvd, Yuba City, CA 95991-5071.
- What is Gregory Federer's phone number?
- The practice phone number listed in the NPPES registry for Gregory Federer is (530) 749-3301.
- Does Gregory Federer accept Medicare?
- Gregory Federer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Federer's NPI active?
- Yes — Gregory Federer's NPI (1487817706) is active in the NPPES registry as of the last update on 2025-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.