Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ralph Vincent Aguinaldo Fontejon, MSN APRN FNP-BC

Family Nurse Practitioner in Porter Ranch, CA · enumerated 2019.

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

National Provider Identifier

1477101624

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Ralph Vincent Aguinaldo Fontejon

Credential MSN APRN FNP-BC

Sex Male

Practice address Porter Ranch, CA, 91326

Phone (818) 835-7640

Enumeration date Aug 30, 2019

Last updated in NPPES Aug 30, 2019

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 95012620 (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

What is the NPI number for Ralph Vincent Fontejon?

The National Provider Identifier (NPI) for Ralph Vincent Fontejon is 1477101624, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ralph Vincent Fontejon practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-08-30.