NPI age
20 years
Enumerated 2006-05-18
● Active
Type 1 · Individual
Steven L Karassik, MD
Karassik is 1 of 4 dermatology providers in Ketchum and 1 of 102 in Idaho.
Primary specialty
Dermatology
Plus 1 subspecialty
Licensed in
ID
1 state
Status
Active
No deactivations on record
Last NPPES update
2013-09-24
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 102 active dermatology providers in Idaho.
NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
1 state
16% of peers hold multiple states
Subspecialties
1
In the 37% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-05Enumerated in NPPES
2006
2026
Where they practice
Practice location
191 W 5th St
Ketchum, ID 83340
Mailing address
190 E Bannock St
Boise, ID 837126241
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...
-
DermatologyA dermatopathologist has the expertise to diagnose and monitor diseases of the skin including infectious, immunologic, degenerative and neoplastic diseases. This entails the examination and interpretation of specially prepared tissue...
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
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