Ashley Norton-Gregory, M.D.
NPI 1255788865 · Diagnostic Radiology Physician · Springfield, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashley Norton-Gregory, M.D. is a Diagnostic Radiology Physician provider in Springfield, IL (NPI 1255788865).
Provider details
- NPI number
- 1255788865
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 2021-00900 (NC)
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
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,976 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, 2 Views71046 | 236 | $31 |
| X-Ray of Chest, 1 View71045 | 169 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 96 | $82 |
| Ct Scan of Chest Without Contrast71250 | 80 | $117 |
| Ct Scan of Chest With Contrast71260 | 79 | $117 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 79 | $278 |
Practice location
Mailing address
Additional practice locations (3)
- 200 Hawkins DrDept of Internal MedicineIowa City, IA 52242-1009Phone: (319) 467-2000Fax: (319) 384-8955
- 2301 Erwin RdDurham, NC 27705-4699Phone: (309) 645-0199
- 9200 W Wisconsin AveMilwaukee, WI 53226-3522Phone: (414) 805-3750
Registry dates
- Enumerated
- 2016-05-24
- Last updated
- 2023-02-03
- Certified
- 2023-02-03
Frequently asked questions
- What is Ashley Norton-Gregory's NPI number?
- Ashley Norton-Gregory's National Provider Identifier (NPI) is 1255788865, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashley Norton-Gregory's specialty?
- Ashley Norton-Gregory is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ashley Norton-Gregory located?
- Ashley Norton-Gregory's practice location on file with NPPES is 1025 S 6th St, Springfield, IL 62703-2499.
- What is Ashley Norton-Gregory's phone number?
- The practice phone number listed in the NPPES registry for Ashley Norton-Gregory is (217) 528-7541.
- Does Ashley Norton-Gregory accept Medicare?
- Ashley Norton-Gregory is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashley Norton-Gregory's NPI active?
- Yes — Ashley Norton-Gregory's NPI (1255788865) is active in the NPPES registry as of the last update on 2023-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.