Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Carl Ray Dettwiler, MD

Specialist in Lewiston, ID · enumerated 2005.

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

National Provider Identifier

1285623819

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Carl Ray Dettwiler

Credential MD

Sex Male

Practice address 2517 17th Sreet, Suite B, Lewiston, ID, 83501

Phone (208) 743-4373

Fax (208) 743-3369

Enumeration date Oct 17, 2005

Last updated in NPPES Dec 16, 2025

Taxonomy & licenses

174400000X Specialist Other Service Providers · License M5110 (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
806979100	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

Where does Carl Dettwiler practice?

The practice location on file with NPPES is in Lewiston, ID. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Carl Dettwiler?

The National Provider Identifier (NPI) for Carl Dettwiler is 1285623819, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-16.