Gregory Avey, M.D.
NPI 1881644813 · Neuroradiology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Avey, M.D. is a Neuroradiology Physician provider in Madison, WI (NPI 1881644813).
Provider details
- NPI number
- 1881644813
- Entity type
- Individual
- Primary specialty
- Neuroradiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 1691 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
959 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) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 238 | $36 |
| Mri Scan of Brain Before and After Contrast70553 | 137 | $101 |
| Ct Scan of Upper Spine Without Contrast72125 | 121 | $43 |
| Ct Scan of Soft Tissue of Neck With Contrast70491 | 77 | $60 |
| Ct Scan of Face Without Contrast70486 | 75 | $37 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 62 | $74 |
| Ct Scan of Blood Vessels of Head With Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-11
- Last updated
- 2021-01-04
- Certified
- 2021-01-04
Frequently asked questions
- What is Gregory Avey's NPI number?
- Gregory Avey's National Provider Identifier (NPI) is 1881644813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Avey's specialty?
- Gregory Avey is listed in the NPPES registry with a primary specialty of Neuroradiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Avey located?
- Gregory Avey's practice location on file with NPPES is University of Wisconsin Hospital, Madison, WI 53792-0001.
- What is Gregory Avey's phone number?
- The practice phone number listed in the NPPES registry for Gregory Avey is (608) 263-0572.
- Does Gregory Avey accept Medicare?
- Gregory Avey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Avey's NPI active?
- Yes — Gregory Avey's NPI (1881644813) is active in the NPPES registry as of the last update on 2021-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.