NPI age
20 years
Enumerated 2006-05-19
● Active
Type 1 · Individual
DR. Guy Ruedas MacLang, MD
MacLang is 1 of 186 internal medicine providers in Savannah and 1 of 5027 in Georgia.
Primary specialty
Internal Medicine
Licensed in
GA
1 state
Status
Active
No deactivations on record
Last NPPES update
2020-10-29
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 5027 active internal medicine providers in Georgia.
NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
1 state
10% of peers hold multiple states
Subspecialties
0
32% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-05Enumerated in NPPES
2006
2026
Where they practice
Practice location
5354 Reynolds St Ste 424
Savannah, GA 314056011
Mailing address
Po Box 15849
Savannah, GA 314162549
Specialties
-
Internal Medicine PrimaryA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (NC) | 189912 | MEDCOST ID |
| 01 (NC) | 7681859 | AETNA ID |
| 01 (NC) | 6149376 | CIGNA ID |
| 05 (NC) | 89011C5 | |
| 01 (NC) | 5703177 | FIRST HEALTH ID |
| 01 (NC) | 142TU | BC/BS ID |
Practice context
Part of a multi-provider practice. 38 other active providers share this practice address in NPPES.
Recently enumerated nearby: 2 new internal medicine providers have been added in Savannah 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.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.