NPI age
8 years
Enumerated 2018-04-26
● Active
Type 1 · Individual
DR. Sebastian Alan Montgomery, MD
Montgomery is 1 of 228 internal medicine providers in MacOn and 1 of 5027 in Georgia.
Primary specialty
Internal Medicine
Licensed in
GA
1 state
Status
Active
No deactivations on record
Last NPPES update
2021-07-08
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
8 years
↓ 10 yr below median (18 yr)
State licenses
1 state
10% of peers hold multiple states
Subspecialties
0
32% of peers hold subspecialties
NPI lifetime · 2018 → 2026
2018-04Enumerated in NPPES
2018
2026
Where they practice
Practice location
380 Hospital Dr Ste 430
MacOn, GA 312178017
Mailing address
380 Hospital Dr Ste 430
MacOn, GA 312178017
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,...
Practice context
Part of a multi-provider practice. 41 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new internal medicine provider has been added in MacOn in the last 180 days.
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Request a quote →How to verify this provider
- 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.