NPI age
11 years
Enumerated 2014-07-01
● Active
Type 1 · Individual
Nathan Holmes, DO
Holmes is 1 of 14 internal medicine providers in Caldwell and 1 of 504 in Idaho.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
ID, MI
2 states
Status
Active
No deactivations on record
Last NPPES update
2017-12-31
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 504 active internal medicine providers in Idaho.
NPI age
11 years
↓ 5 yr below median (16 yr)
State licenses
2 states
Top 76% — 23% of peers are multi-state
Subspecialties
0
44% of peers hold subspecialties
NPI lifetime · 2014 → 2026
2014-07Enumerated in NPPES
2014
2026
Where they practice
Practice location
1717 Arlington Ave
Caldwell, ID 836054802
Mailing address
15230 Wicklow Ln
Caldwell, ID 836078372
Additional practice locations
1 secondary location on file with NPPES.
Location 2
1000 Harrington St
Mount Clemens, MI 480432920
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
Part of a multi-provider practice. 51 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.