NPI age
20 years
Enumerated 2005-09-20
● Active
Type 1 · Individual
DR. Gregory John Kadlec, MD
Kadlec is 1 of 4 allergy & immunology providers in Twin Falls and 1 of 10 in Idaho.
Primary specialty
Allergy & Immunology
Plus 1 subspecialty
Licensed in
ID, NV
2 states
Status
Active
No deactivations on record
Last NPPES update
2011-11-01
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 10 active allergy & immunology providers in Idaho.
NPI age
20 years
≈ at median (19 yr)
State licenses
2 states
Top 60% — 40% of peers are multi-state
Subspecialties
0
50% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-09Enumerated in NPPES
2005
2026
Where they practice
Practice location
800 Falls Ave, Suite 2
Twin Falls, ID 833013366
Mailing address
800 Falls Ave, Suite 2
Twin Falls, ID 833013366
Specialties
-
Allergy & Immunology PrimaryA physician who specializes in the diagnosis, treatment, and management of allergies.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (ID) | 002736202 | |
| 05 (ID) | 002736201 | |
| 05 (ID) | 002736200 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 3 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.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.