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DIANA PEREZ DURAN
NPI 1023885662
Social Worker - Clinical in Fontana, CA

Active since December 05, 2023
9961 SIERRA AVE, FONTANA, CA 92335(909) 997-2645 Get Directions Write a Review

NPPES record last updated: December 17, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Dec 17, 2025, Dec 5, 2023 (2 updates tracked since 2023).

About Diana Perez Duran NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANA PEREZ DURAN (NPI 1023885662) is an individual clinical provider in Fontana, California and active in the NPI registry since December 2023.

NPPES Registry Identity

NPI1023885662
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameDIANA PEREZ DURAN
Location Address9961 SIERRA AVEFontana, CA 92335-6720
Mailing Address9985 Sierra Ave # Mob4Fontana, CA 92335-6720 · (909) 427-5465
Phone(909) 997-2645
Sole ProprietorYes
Enumeration DateDecember 5, 2023
Last NPPES UpdateDecember 17, 20252 updates tracked since enumeration
NPPES CertifiedDecember 17, 2025
✔ NPI 1023885662 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
9961 SIERRA AVE, Fontana, CA 92335
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SHEILA ANN VANALLEN PT
Physical Therapist
9961 SIERRA AVE, BUILDING 3A
FONTANA, CA 92335
San Bernardino County (909) 427-7727
MR. JAMES DAVID KILLEEN III M.D.
Pediatrics
9961 SIERRA AVE, KAISER PERMANENTE FONTANA - PEDIATRICS
FONTANA, CA 92335
San Bernardino County (909) 427-6960
MR. DHIRESH N PATEL RPH
Pharmacist
9961 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 302-8018
MS. STELLA MARIS CARLOS R.D.
Dietitian, Registered
9961 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 472-7185
KADETTE KELLY CRNA
Nurse Anesthetist, Certified Registered
9961 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 427-3910
YAEL STEINFELD NP
Nurse Practitioner
9961 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 427-3910
SCOTT SWARTZ NP
Nurse Practitioner
9961 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 427-3910
ROBERT M. THEAL MD
Family Medicine
9961 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 427-3910

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diana Perez Duran's NPI number?

The NPI number for Diana Perez Duran is 1023885662. It was assigned to this individual provider in the NPPES registry on December 5, 2023.

Where is Diana Perez Duran located?

Diana Perez Duran practices at 9961 Sierra Ave, Fontana, CA 92335. The listed phone number is (909) 997-2645.

What is Diana Perez Duran's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Diana Perez Duran was last updated on December 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.