Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Claudia P. Jantzer, MD

Pediatrics Physician in Grand Junction, CO · enumerated 2005.

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

National Provider Identifier

1376526012

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Registry record

Entity type Individual (Type 1)

Name Claudia P. Jantzer

Credential MD

Sex Female

Practice address 3150 N 12th St, Grand Junction, CO, 81506

Phone (970) 243-5437

Fax (970) 243-7792

Enumeration date Nov 28, 2005

Last updated in NPPES Oct 16, 2024

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 34862 (CO) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 Claudia Jantzer?

The National Provider Identifier (NPI) for Claudia Jantzer is 1376526012, a Type 1 (individual) record in the CMS NPPES registry.

Where does Claudia Jantzer practice?

The practice location on file with NPPES is in Grand Junction, CO. 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 2024-10-16.