Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1124700109 Individual Practitioner Female Practitioner

Cassandra Ellen Chamberlain

Social Worker • Orange, CA

Professional Overview & Biography Verified Profile Summary

Cassandra Chamberlain is a registered healthcare professional specializing in Social Worker in Orange, CA. Practice services are available at 4000 W METROPOLITAN DR STE 401 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

4000 W Metropolitan Dr Ste 401

Orange, CA 928683506

Telephone 8668306011
Associated Practice Facility / Clinic
🏢 County Of Orange Facility NPI 1013336684

Specialty Benchmarks & Practice Insights

Comparative analytics for Social Worker in Orange, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.0 Yrs
State Avg: 16.2 Yrs
Regional Practice Density
107 Specialists

Practicing in Orange, CA (10507 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2025-06-17
Social Worker Primary Specialty

NUCC Taxonomy Code: 104100000X

State License CA 123091

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

Rehabilitation Practitioner

NUCC Taxonomy Code: 225400000X

A health care practitioner who trains or retrains individuals disabled by disease or injury to help them attain their maximum functional capacity.

Secondary Practice Locations

14632 Yorba St # B

Tustin, CA 927802554

Phone: 7147140780

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

23 Associated Practitioners
Margaret Peterson , CAODC

Rehabilitation Practitioner

NPI 1003916594
Leslie Rankin , LCSW

Social Worker - Clinical

NPI 1023203312

Licensed Clinical Social Worker

Yolanda Moreno

Case Manager/Care Coordinator

NPI 1053715227
Sioban Wade

Marriage & Family Therapist

NPI 1063881316
Christopher Harvey , MSW

Social Worker - Clinical

NPI 1073859542

Master of Social Work

Matthew Akers , MS

Marriage & Family Therapist

NPI 1134779903

Master of Science

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 17, 2025

Social Worker (License #123091 in CA)

📍
Updated Practice Location September 24, 2024

Registered at 4000 W METROPOLITAN DR STE 401, ORANGE, CA 928683506 (Tel: 8668306011)

📍
Updated Business Mailing Address September 24, 2024

Registered at 4000 W METROPOLITAN DR STE 401, ORANGE, CA 928683506 (Tel: 8668306011)

📍
Updated Practice Location August 21, 2024

Registered at 405 W 5TH ST, SANTA ANA, CA 927014599 (Tel: 9097320927)

📍
Updated Business Mailing Address August 21, 2024

Registered at 405 W 5TH ST, SANTA ANA, CA 927014599

NPI Profile Active August 01, 2023

NPI status registered as active in NPPES database

📍
Updated Practice Location August 01, 2023

Registered at 801 E CHAPMAN AVE STE 203, FULLERTON, CA 928313846 (Tel: 7146809000)

📍
Updated Business Mailing Address August 01, 2023

Registered at PO BOX 919, FULLERTON, CA 928360919 (Tel: 7146809000)

👤
Provider Name / Credentials Updated August 01, 2023

Recorded as CASSANDRA CHAMBERLAIN

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 01, 2023

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration August 01, 2023

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1124700109
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 01, 2023
Last Update: June 17, 2025
Sole Proprietor: No

Mailing Address

4000 W Metropolitan Dr Ste 401

Orange, CA 928683506

Phone: 8668306011

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.