Quick answers
- Which hospitals does Mark E. Grossnickle work at?
- Medicare's official clinician data lists Mark E. Grossnickle at 5 hospitals: Atrium Health Navicent Peach, Atrium Health Navicent the Medical Center, Coliseum Medical Centers, LLC, dba, Navicent Health Baldwin and Piedmont Macon North Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark E. Grossnickle see patients?
- Medicare's clinician data lists 8 practice locations, including Greensboro, GA, Byron, GA and Macon, GA. Call before your visit to confirm the address.
- What is Mark E. Grossnickle's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Mark E. Grossnickle accept Medicare assignment?
- Yes. Medicare's clinician data says Mark E. Grossnickle accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Mark E. Grossnickle?
- (706) 454-2660, as listed in official Medicare / NPI Registry data.
- What is Mark E. Grossnickle's NPI number?
- 1942281076. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark E. Grossnickle works
Medicare's Facility Affiliation Data lists Mark E. Grossnickle at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Atrium Health Navicent PeachByron, GA · Critical Access Hospital · CCN 111310
- Atrium Health Navicent the Medical CenterMacon, GA · Acute Care Hospital · CCN 110107
- Coliseum Medical Centers, LLC, dbaMacon, GA · Acute Care Hospital · CCN 110164
- Navicent Health BaldwinMilledgeville, GA · Acute Care Hospital · CCN 110150
- Piedmont Macon North HospitalMacon, GA · Acute Care Hospital · CCN 110201
Practice locations
Addresses where Mark E. Grossnickle is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1000 Cowles Clinic Way, Pine BuildingGreensboro, GA 30642 (706) 454‑2660
- 1960 Hwy 247 ConnectorByron, GA 31008 (478) 654‑2000
- 350 Hospital DrMacon, GA 31217 (478) 765‑7000
- 400 Charter BlvdMacon, GA 31210 (478) 757‑8200
- 770 Pine StMacon, GA 31201 (478) 633‑1819
Group practices
Medicare enrollment lists Mark E. Grossnickle as a member of these groups (CMS data updated 2026-10-02).
- Radiology Associates of Macon PC64 clinicians in the group
- Central Georgia Mri LLC45 clinicians in the group
- Georgia Magnetic Imaging Center Ltd36 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Greensboro
Clinicians with the same Medicare primary specialty in Greensboro, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Duke University School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942281076 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians