Quick answers
- Where does William G. Irwin see patients?
- Medicare's clinician data lists 2 practice locations, including Tifton, GA and Macon, GA. Call before your visit to confirm the address.
- What is William G. Irwin's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does William G. Irwin accept Medicare assignment?
- Yes. Medicare's clinician data says William G. Irwin 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 William G. Irwin?
- (229) 386-9333, as listed in official Medicare / NPI Registry data.
- What is William G. Irwin's NPI number?
- 1316931017. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where William G. Irwin is enrolled with Medicare (CMS data updated 2026-10-02).
- 1006 Greenfield DrTifton, GA 31794 (229) 386‑9333
- 1157 Forsyth StMacon, GA 31201 (478) 745‑8581
Group practices
Medicare enrollment lists William G. Irwin as a member of this group (CMS data updated 2026-10-02).
- Georgia Dermatology and Skin Cancer Center, LLC53 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Georgia
Clinicians with the same Medicare primary specialty in Georgia — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 1967 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316931017 |
| 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
- 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