NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. R. Douglas Isbell, M.D.

Obstetrics & Gynecology Physician in Idaho Falls, ID · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1750490546

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Registry record

Entity type Individual (Type 1)
Name Dr. R. Douglas Isbell
Credential M.D.
Sex Male
Practice address Idaho Falls, ID, 83404
Phone (208) 522-0747
Fax (208) 522-9641
Enumeration date Aug 29, 2006
Last updated in NPPES Aug 22, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License M-4317 (ID) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
002352400 Medicaid ID -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for R. Isbell?
The National Provider Identifier (NPI) for R. Isbell is 1750490546, a Type 1 (individual) record in the CMS NPPES registry.
Where does R. Isbell practice?
The practice location on file with NPPES is in Idaho Falls, ID. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-08-22.