NPI age
7 years
Enumerated 2019-04-15
● Active
Type 1 · Individual
Keith Bradley Pennycook, DO
Pennycook is 1 of 12 dermatology providers in Cumming and 1 of 483 in Georgia.
Primary specialty
Dermatology
Licensed in
GA
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-12-19
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 483 active dermatology providers in Georgia.
NPI age
7 years
↓ 11 yr below median (18 yr)
State licenses
1 state
13% of peers hold multiple states
Subspecialties
0
33% of peers hold subspecialties
NPI lifetime · 2019 → 2026
2019-04Enumerated in NPPES
2019
2026
Where they practice
Practice location
2870 Ronald Reagan Blvd Ste 103
Cumming, GA 300416092
Mailing address
2870 Ronald Reagan Blvd Ste 103
Cumming, GA 300416092
Specialties
-
Dermatology PrimaryA dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The...
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
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