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Active NPI 1245024231 Individual Practitioner Male Practitioner

Da Hao Ruan

Social Worker • Fremont, CA

Professional Overview & Biography Verified Profile Summary

Da Hao Ruan is a registered healthcare professional specializing in Social Worker in Fremont, CA. Practice services are available at 2500 MOWRY AVE STE 200 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

2500 Mowry Ave Ste 200

Fremont, CA 945381605

Telephone 5102481600

Specialty Benchmarks & Practice Insights

Comparative analytics for Social Worker in Fremont, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 14.5 Yrs
State Avg: 16.2 Yrs
Regional Practice Density
52 Specialists

Practicing in Fremont, CA (10507 Statewide)

Telehealth Adoption Rate
1.9% 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: 2026-08-04
Social Worker Primary Specialty

NUCC Taxonomy Code: 104100000X

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.

Practice Associates & Co-Workers

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

2 Associated Practitioners
Eunsun Kim

Nurse Practitioner - Family

NPI 1508408899
Dr. Bogdan Eftimie , MD

Internal Medicine - Hematology & Oncology

NPI 1740458900

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location August 04, 2026

Registered at 2500 MOWRY AVE STE 200, FREMONT, CA 945381605 (Tel: 5102481600)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 04, 2026

Social Worker

NPI Profile Active April 07, 2025

NPI status registered as active in NPPES database

📍
Updated Practice Location April 07, 2025

Registered at 1075 E SANTA CLARA ST FL 2, SAN JOSE, CA 951162244 (Tel: 5103252161)

📍
Updated Business Mailing Address April 07, 2025

Registered at 1161 3RD AVE, OAKLAND, CA 946062226 (Tel: 5103252161)

👤
Provider Name / Credentials Updated April 07, 2025

Recorded as DA HAO RUAN

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 07, 2025

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration April 07, 2025

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: 1245024231
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 07, 2025
Last Update: August 04, 2026
Sole Proprietor: No

Mailing Address

1161 3rd Ave

Oakland, CA 946062226

Phone: 5103252161

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.