Quick answers
- Which hospitals does Arthur A. Grigorian work at?
- Medicare's official clinician data lists Arthur A. Grigorian at 5 hospitals: Atrium Health Navicent the Medical Center, Emory Houston Hospital Warner Robins, Wellstar Kennestone Regional Medical Center, Wellstar North Fulton Medical Center and Wellstar Spalding Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Arthur A. Grigorian see patients?
- Medicare's clinician data lists 5 practice locations, including Roswell, GA, Kennesaw, GA and Macon, GA. Call before your visit to confirm the address.
- What is Arthur A. Grigorian's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does Arthur A. Grigorian accept Medicare assignment?
- Yes. Medicare's clinician data says Arthur A. Grigorian 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.
- Does Arthur A. Grigorian offer telehealth?
- Medicare's clinician data says Arthur A. Grigorian offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Arthur A. Grigorian?
- (770) 751-2912, as listed in official Medicare / NPI Registry data.
- What is Arthur A. Grigorian's NPI number?
- 1982659371. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Arthur A. Grigorian works
Medicare's Facility Affiliation Data lists Arthur A. Grigorian 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 the Medical CenterMacon, GA · Acute Care Hospital · CCN 110107
- Emory Houston Hospital Warner RobinsWarner Robins, GA · Acute Care Hospital · CCN 110069
- Wellstar Kennestone Regional Medical CenterMarietta, GA · Acute Care Hospital · CCN 110035
- Wellstar North Fulton Medical CenterRoswell, GA · Acute Care Hospital · CCN 110198
- Wellstar Spalding Medical CenterGriffin, GA · Acute Care Hospital · CCN 110031
Practice locations
Addresses where Arthur A. Grigorian is enrolled with Medicare (CMS data updated 2026-10-02).
- 2500 Hospital BlvdRoswell, GA 30076
- 3000 Hospital BlvdRoswell, GA 30076 (770) 751‑2912
- 3000 Hospital Blvd, Fl 2Roswell, GA 30076 (770) 751‑2777
- 5150 Stilesboro N W Rd, Suite 220Kennesaw, GA 30152 (770) 424‑8222
- 840 Pine St, Suite 880Macon, GA 31201 (478) 743‑7092
Group practices
Medicare enrollment lists Arthur A. Grigorian as a member of these groups (CMS data updated 2026-10-02).
- Wellstar Medical Group LLC3,093 clinicians in the group
- Georgia Neurosurgical Institute, P.C22 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Roswell
Clinicians with the same Medicare primary specialty in Roswell, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1982659371 |
| 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