NPI age
8 years
Enumerated 2017-05-26
● Active
Type 1 · Individual
DR. Colin Woodward O'Brien, MD
O'Brien is 1 of 7 internal medicine providers in Sandy Springs and 1 of 952 in Georgia.
Primary specialty
Internal Medicine
Licensed in
GA
1 state
Status
Active
No deactivations on record
Last NPPES update
2023-06-01
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 952 active internal medicine providers in Georgia.
NPI age
8 years
↓ 11 yr below median (19 yr)
State licenses
1 state
17% of peers hold multiple states
Subspecialties
0
40% of peers hold subspecialties
NPI lifetime · 2017 → 2026
2017-05Enumerated in NPPES
2017
2026
Where they practice
Practice location
6135 Barfield Rd Ste 100
Sandy Springs, GA 303284308
Mailing address
6135 Barfield Rd Ste 100
Sandy Springs, GA 303284308
Specialties
-
Internal Medicine PrimaryAn internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
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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.