Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Deborah Ann Metzger, PHD, MD

Reproductive Endocrinology Physician in Los Altos, CA · enumerated 2006.

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

National Provider Identifier

1780602813

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Registry record

Entity type Individual (Type 1)

Name Dr. Deborah Ann Metzger

Credential PHD, MD

Sex Female

Practice address 851 Fremont Ave Ste 104, Los Altos, CA, 94024

Phone (650) 229-1010

Fax (650) 229-1011

Enumeration date Jul 17, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

207VE0102X Reproductive Endocrinology Physician Allopathic & Osteopathic Physicians · License C50171 (CA) Primary

207VG0400X Gynecology Physician Allopathic & Osteopathic Physicians · License C50171 (CA) Secondary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD 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 Deborah Metzger practice?

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

What is the NPI number for Deborah Metzger?

The National Provider Identifier (NPI) for Deborah Metzger is 1780602813, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.