NPI age
20 years
Enumerated 2005-06-10
● Active
Type 1 · Individual
Peter W Castellanos, MD
Castellanos is 1 of 3 psychiatry & neurology providers in Idaho Falls and 1 of 5 in Idaho.
Primary specialty
Psychiatry & Neurology
Plus 1 subspecialty
Licensed in
ID, IN
2 states
Status
Active
No deactivations on record
Last NPPES update
2021-07-29
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 5 active psychiatry & neurology providers in Idaho.
NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
2 states
Top 80% — 20% of peers are multi-state
Subspecialties
0
80% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-06Enumerated in NPPES
2005
2026
Where they practice
Practice location
2225 Teton Plz Ste B
Idaho Falls, ID 834046494
Mailing address
2225 Teton Plz Ste B
Idaho Falls, ID 834046494
Specialties
-
Psychiatry & Neurology PrimaryA Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (IN) | 200173520 | |
| 01 (IN) | 000000089466 | ANTHEM BXBS |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.
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