Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

David Mark Chaffee

Family Nurse Practitioner in Oceanside, CA · enumerated 2017.

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

National Provider Identifier

1063930915

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Registry record

Entity type Individual (Type 1)

Name David Mark Chaffee

Sex Male

Practice address 3927 Waring Rd, Oceanside, CA, 92056

Phone (619) 703-7220

Enumeration date Aug 30, 2017

Last updated in NPPES Sep 8, 2024

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 95006786 (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.

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Frequently asked questions

Where does David Chaffee practice?

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

What is the NPI number for David Chaffee?

The National Provider Identifier (NPI) for David Chaffee is 1063930915, a Type 1 (individual) record in the CMS NPPES registry.

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Lawrence Mccarthy Specialist · Oceanside, CA NPI 1538152509 James Mccook General Practice Dentistry · Oceanside, CA NPI 1902824006 Cyril Kellett Specialist · Oceanside, CA NPI 1558383836 Ralph G Hesler, II, M.D., Inc Surgery Physician · Oceanside, CA NPI 1962500470 Chris K Guerin Endocrinology, Diabetes & Metabolism Physician · Oceanside, CA NPI 1508206707

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-09-08.