NPI age
19 years
Enumerated 2007-03-15
● Active
Type 1 · Individual
Stephen A Denagy, M4915
Denagy is 1 of 1 internal medicine providers in Ammon and 1 of 504 in Idaho.
Primary specialty
Internal Medicine
Licensed in
ID
1 state
Status
Active
No deactivations on record
Last NPPES update
2015-04-03
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 504 active internal medicine providers in Idaho.
NPI age
19 years
↑ 3 yr above median (16 yr)
State licenses
1 state
23% of peers hold multiple states
Subspecialties
0
44% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-03Enumerated in NPPES
2007
2026
Where they practice
Practice location
2705 E 17th St
Ammon, ID 834066601
Mailing address
2705 E 17th St
Ammon, ID 834066601
Specialties
-
Internal Medicine PrimaryA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (ID) | 002648500 | |
| 01 (ID) | C36950 | UPIN |
| 01 (ID) | 000010005201 | BLUE SHIELD OF IDAHO |
| 01 (ID) | 820428306 | CIGNA BEHAVIORAL HEALTH |
| 01 (ID) | 1370128 | MEDICARE GROUP |
| 01 (ID) | 49155 | BLUE CROSS OF IDAHO |
| 01 (ID) | G526301 | TRICARE |
Practice context
Part of a multi-provider practice. 116 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 504 Internal Medicine providers in Idaho?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
Request a quote →How to verify this provider
- 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.