Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Christina Marie Metzler Miller, M.D.

Family Medicine Physician in Rancho Cucamonga, CA · enumerated 2012.

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

National Provider Identifier

1770843609

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Registry record

Entity type Individual (Type 1)

Name Dr. Christina Marie Metzler Miller

Credential M.D.

Sex Female

Practice address 9405 Fairway View Pl, Rancho Cucamonga, CA, 91730

Phone (909) 771-3678

Enumeration date May 25, 2012

Last updated in NPPES Jun 29, 2016

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License A126455 (CA) Primary

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License A126455 (CA) Secondary

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

Where does Christina Miller practice?

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

What is the NPI number for Christina Miller?

The National Provider Identifier (NPI) for Christina Miller is 1770843609, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-06-29.