Quick answers
- Which hospitals does Matthew Grabowski work at?
- Medicare's official clinician data lists Matthew Grabowski at 2 hospitals: Wellstar Cobb Medical Center and Wellstar Kennestone Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew Grabowski see patients?
- Medicare's clinician data lists 9 practice locations, including Hiram, GA, Marietta, GA and Austell, GA. Call before your visit to confirm the address.
- What is Matthew Grabowski's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Matthew Grabowski accept Medicare assignment?
- Medicare's clinician data says Matthew Grabowski may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Matthew Grabowski?
- (770) 732-4022, as listed in official Medicare / NPI Registry data.
- What is Matthew Grabowski's NPI number?
- 1437296811. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew Grabowski works
Medicare's Facility Affiliation Data lists Matthew Grabowski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Wellstar Cobb Medical CenterAustell, GA · Acute Care Hospital · CCN 110143
- Wellstar Kennestone Regional Medical CenterMarietta, GA · Acute Care Hospital · CCN 110035
Practice locations
Addresses where Matthew Grabowski is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 2518 Jimmy Lee Smith PkwyHiram, GA 30141 (770) 732‑4022
- 2540 Windy Hill RdMarietta, GA 30067 (770) 644‑1570
- 2540 Windy Hill SerdMarietta, GA 30067 (770) 644‑1274
- 2550 Windy Hill Rd SE, Suite 220Marietta, GA 30067 (404) 321‑9900
- 3950 Austell RdAustell, GA 30106 (770) 702‑1806
Group practices
Medicare enrollment lists Matthew Grabowski as a member of these groups (CMS data updated 2026-10-02).
- Wellstar Medical Group LLC3,093 clinicians in the group
- Mak Anesthesia Holdings, LLC385 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Hiram
Clinicians with the same Medicare primary specialty in Hiram, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1437296811 |
| 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