NPI age
19 years
Enumerated 2006-12-05
● Active
Type 1 · Individual
DR. William Lewis McMahon, MD MS
McMahon is 1 of 2 emergency medicine providers in Suwanee and 1 of 1991 in Georgia.
Primary specialty
Emergency Medicine
Licensed in
GA
1 state
Status
Active
No deactivations on record
Last NPPES update
2014-11-20
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1991 active emergency medicine providers in Georgia.
NPI age
19 years
↑ 2 yr above median (17 yr)
State licenses
1 state
20% of peers hold multiple states
Subspecialties
0
41% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-12Enumerated in NPPES
2006
2026
Where they practice
Practice location
4905 Winding Rose Dr
Suwanee, GA 300243074
Mailing address
4905 Winding Rose Dr
Suwanee, GA 300243074
Specialties
-
Emergency Medicine PrimaryAn emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department....
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (GA) | 00809322B |
Practice context
Solo or small practice. No other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new emergency medicine provider has been added in Suwanee in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
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