Physician Profile
Gregory A. Gregg, M.D.
Unclaimed ProfileAbout Dr. Gregg
Gregory A. Gregg, M.D. is a healthcare provider in Springfield, IL specializing in diagnostic radiology. Gregory trained at Southern Illinois University School of Medicine, graduating in 1980. Medicare claims data shows Gregory provided 2,404 services to 2,330 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (217) 544-6464
- Email not available
Practice Locations
800 E CARPENTER ST DEPARTMENT OF RADIOLOGY
Springfield, IL 62702
Procedures Most Often Billed to Medicare
2,404 services · 2,330 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
685 |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
307 |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
286 |
| X-ray of chest, 2 views | Imaging | 71046 |
181 |
| Ct scan head or brain without contrast | Imaging | 70450 |
85 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
75 |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
72 |
| Mri scan of leg joint without contrast | Imaging | 73721 |
69 |
| Ct scan of chest without contrast | Imaging | 71250 |
64 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
52 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other diagnostic radiology specialists at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 29 related providers in 4 groups
Other diagnostic radiology specialists in Springfield 5
Same specialty, same city.
Trained at Southern Illinois University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1980 at Southern Illinois University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Gregg?
Dr. Gregg is a diagnostic radiology in Springfield, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
What is Dr. Gregg's address?
Dr. Gregg is listed at 800 E CARPENTER ST DEPARTMENT OF RADIOLOGY, Springfield, IL 62702. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Gregg?
The number on file is (217) 544-6464. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Gregg?
Dr. Gregg's National Provider Identifier is 1568575595. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Gregg train?
Dr. Gregg attended Southern Illinois University School of Medicine, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Gregg have?
Dr. Gregg has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Gregg perform?
According to Medicare billing data, Dr. Gregg performs imaging including x-ray of chest, 1 view and dxa bone density measurement of hip, pelvis, spine. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Gregg's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gregg. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.