NPI age
19 years
Enumerated 2006-10-16
● Active Type 2 · Organization
West Valley Medical Group Llc
West Valley Medical Group Llc is 1 of 504 internal medicine organizations in Idaho.
Primary specialty
Internal Medicine
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Joseph
Vp
Last NPPES update
2023-01-02
Source: monthly bulk 2026-05
How this organization compares
Across 504 active internal medicine providers in Idaho.
NPI age
19 years
↑ 3 yr above median
Practice locations
1
0 secondary on file
Subspecialties
0
NPI lifetime · 2006 → 2026
2006-10Enumerated in NPPES
2006
2026
Where they practice
Primary practice location
1906 Fairview Ave Ste 230
Caldwell, ID 836055432
Mailing address
2000 Health Park Dr
Brentwood, TN 370274525
Authorized official
Louis Joseph
Vp
📞 6153737630
Individual providers at this organization
8 individual providers on file at this primary practice address.
- Lyndon Box, MD Internal Medicine NPI 1174620512
- Hannah Cliff, PA-C Physician Assistant NPI 1336952662
- Linnae Frisby, NP Nurse Practitioner NPI 1780303966
- Steven Koga, M.D. Internal Medicine NPI 1144275512
- Joe Llenos, MD Family Medicine NPI 1003073560
- Alyssa Nitschelm, RN Nurse Practitioner NPI 1942044516
- Heather Norberg Nurse Practitioner NPI 1528810900
- Karl Undesser, MD Internal Medicine NPI 1013961242
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) | 807981600 | |
| 05 (ID) | 807655500 |
Other names on file (2)
Doing-business-as, former, and alternate names recorded by NPPES.
-
West Valley Medical Group LLC
-
West Valley Medical Group LLC
Practice context
Multi-provider organization. 8 individual providers on file at this primary address.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Verify the organization is in good standing.Cross-check with the state's business registration and any applicable licensing boards.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.