NPI age
18 years
Enumerated 2008-05-14
● Active Type 2 · Organization
Steven L Karassik MD PA
Steven L Karassik MD PA is 1 of 305 specialist organizations in Idaho.
Primary specialty
Specialist
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Karassik
Owner
Last NPPES update
2008-05-14
Source: monthly bulk 2026-05
How this organization compares
Across 305 active specialist providers in Idaho.
NPI age
18 years
≈ at median (18 yr)
Practice locations
1
0 secondary on file
Subspecialties
0
NPI lifetime · 2008 → 2026
2008-05Enumerated in NPPES
2008
2026
Where they practice
Primary practice location
191 5th St West
Ketchum, ID 83340
Mailing address
Po Box 893
Ketchum, ID 833400893
Authorized official
Steven L Karassik, M.D.
Owner
📞 2087252171
Specialties
-
Specialist PrimaryAn individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (ID) | 002718400 |
Practice context
Single-site organization. Only one practice location on file.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.