P Praxis·MD
● Active Type 1 · Individual

Nathan Kellis, M.D.

Hospitalist·Boise, ID· NPI 1942688627 · Enumerated 2015 · 11 years on NPI
Kellis is 1 of 44 hospitalist providers in Boise and 1 of 115 in Idaho.
NPI age
11 years
Enumerated 2015-05-13
Primary specialty
Hospitalist
Plus 2 subspecialties
Licensed in
ID, AZ
2 states
Status
Active
No deactivations on record
Last NPPES update
2018-08-01
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file

How this provider compares

Across 115 active hospitalist providers in Idaho.

NPI age
11 years
↓ 4 yr below median (15 yr)
State licenses
2 states
Top 64% — 35% of peers are multi-state
Subspecialties
1
In the 76% of peers with subspecialties

NPI lifetime · 2015 → 2026

2015-05Enumerated in NPPES
2015 2026

Where they practice

Practice location
1055 N Curtis Rd
Boise, ID 837061309
📞 2083676279fax 2083673951
Mailing address
3340 E Goldstone Way
Meridian, ID 83642
📞 2083676279fax 2083673951

Additional practice locations

1 secondary location on file with NPPES.

Location 2
1501 N Campbell Ave
Tucson, AZ 857245040
📞 8016692548

Specialties

  • Hospitalist Primary
    Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term...
    ID license #M-13948 taxonomy 208M00000X
  • Internal Medicine
    A 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,...
    AZ license #R74964ID license #M-13948 taxonomy 207R00000X

Practice context

Part of a multi-provider practice. 378 other active providers share this practice address in NPPES.

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How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

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