NPI age
— years
Enumerated 2025-08-26
● Active Type 2 · Organization
Twin Falls Internal Medicine Pllc
Twin Falls Internal Medicine Pllc is 1 of 504 internal medicine organizations in Idaho.
Primary specialty
Internal Medicine
Practice locations
4
3 secondary on file
Status
Active
No deactivations on record
Authorized official
Owens
Ceo
Last NPPES update
2026-02-26
Source: monthly bulk 2026-05
How this organization compares
Across 504 active internal medicine providers in Idaho.
NPI age
0 years
↓ 16 yr below median
Practice locations
4
3 secondary on file
Subspecialties
0
NPI lifetime · 2025 → 2026
2025-08Enumerated in NPPES
2025
2026
Where they practice
Primary practice location
414 Shoup Ave W Ste B
Twin Falls, ID 833015027
Mailing address
21 Granada Pl
Burley, ID 833182703
Additional practice locations
3 secondary locations on file with NPPES.
Location 2
709 N Lincoln Ave
Jerome, ID 833381851
Location 3
502 W 4th Ave
Toppenish, WA 989481616
Location 4
603 S Chestnut St
Ellensburg, WA 989263875
Authorized official
Kevin Owens, MD
Ceo
📞 3323303903
Individual providers at this organization
8 individual providers on file at this primary practice address.
- Timothy Browning, PA-C Physician Assistant NPI 1376219733
- Hillary Duenas, MD Psychiatry & Neurology NPI 1871056523
- MacKenzie Gustafson, PMHNP Nurse Practitioner NPI 1669101234
- Kerry Koontz, LMSW Social Worker NPI 1861765216
- Lisa Mitton, LCSW Social Worker NPI 1750654109
- Kevin Owens, M.D. Internal Medicine NPI 1235332305
- Nathan Sparks, FNP-BC Nurse Practitioner NPI 1710669874
- Marla Van Tassell, NURSE PRACTITIONER Nurse Practitioner NPI 1801266572
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,...
Practice context
Multi-provider organization. 8 individual providers on file at this primary address. Plus 3 secondary practice locations.
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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.