NPI age
19 years
Enumerated 2007-03-28
● Active
Type 1 · Individual
Mark Alan Crandall, MD
Crandall is 1 of 5 internal medicine providers in Twin Falls and 1 of 100 in Idaho.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
OH, MN
2 states
Status
Active
No deactivations on record
Last NPPES update
2019-02-28
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 100 active internal medicine providers in Idaho.
NPI age
19 years
≈ at median (19 yr)
State licenses
2 states
Top 69% — 31% of peers are multi-state
Subspecialties
1
In the 47% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-03Enumerated in NPPES
2007
2026
Where they practice
Practice location
775 Pole Line Rd W Ste 112
Twin Falls, ID 833015819
Mailing address
473 W 12th Ave Ste 200
Columbus, OH 432101252
Additional practice locations
1 secondary location on file with NPPES.
Location 2
473 W 12th Ave Ste 200
Columbus, OH 432101252
Specialties
-
Internal Medicine PrimaryAn internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
-
Internal MedicineA 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 (MN) | 126992000 | |
| 01 (MN) | P00428375 | MEDICARE RAILROAD |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 3 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.