Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Caitlin Felder-Heim

Family Medicine Physician in San Francisco, CA · enumerated 2018 · practices at Margaret Chen.

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

National Provider Identifier

1245736727

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Registry record

Entity type Individual (Type 1)

Name Caitlin Felder-Heim

Sex Female

Practice address 1001 Potrero Ave Bldg 80-83, San Francisco, CA, 94110

Phone (415) 206-8611

Enumeration date Apr 3, 2018

Last updated in NPPES Aug 28, 2020

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License A166235 (CA) Primary

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

Is NPI 1245736727 active?

Yes, as of the latest NPPES snapshot, NPI 1245736727 is active (record last updated 2020-08-28).

How do I verify Caitlin Felder-Heim's NPI record?

Cross-check NPI 1245736727 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-28.