NPI age
20 years
Enumerated 2006-05-20
● Active
Type 1 · Individual
Karl P Undesser, MD
Undesser is 1 of 1 internal medicine providers in Caldwell and 1 of 22 in Idaho.
Primary specialty
Internal Medicine
Licensed in
ID
1 state
Status
Active
No deactivations on record
Last NPPES update
2022-01-27
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 22 active internal medicine providers in Idaho.
NPI age
20 years
↑ 2 yr above median (17 yr)
State licenses
1 state
31% of peers hold multiple states
Subspecialties
0
54% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-05Enumerated in NPPES
2006
2026
Where they practice
Practice location
1906 Fairview Ave Ste 230
Caldwell, ID 836055432
Mailing address
Po Box 742941
Atlanta, GA 303742941
Specialties
-
Internal Medicine PrimaryA field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (ID) | 1013961242 |
Practice context
Part of a multi-provider practice. 8 other active providers share this practice address in NPPES.
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- 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.
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