Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Christopher James Baker, MD

Hospitalist Physician in Duluth, MN · enumerated 2006.

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

National Provider Identifier

1497821888

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Registry record

Entity type Individual (Type 1)

Name Dr. Christopher James Baker

Credential MD

Sex Male

Practice address 400 E 3rd St, Duluth, MN, 55805

Phone (218) 786-8364

Enumeration date Nov 28, 2006

Last updated in NPPES May 8, 2025

Taxonomy & licenses

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 37591 (MN) 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
082795900	Medicaid	MN	-

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 Christopher Baker?

The National Provider Identifier (NPI) for Christopher Baker is 1497821888, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christopher Baker practice?

The practice location on file with NPPES is in Duluth, MN. 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 2025-05-08.