Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1265601553 Individual Practitioner Male Practitioner

Dr. Stephen Chen , MD

Internal Medicine • Oakland, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Stephen Chen, MD is a certified Internal Medicine practicing in Oakland, CA. With approximately 21 years of clinical experience since completing medical education in 2005, Dr. Chen delivers high-quality medical care to the local community at 1800 HARRISON ST.

Dr. Chen is affiliated with Permanente Medical Group Inc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

1800 Harrison St
7th Floor

Oakland, CA 946123466

Telephone 5106256262
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2005

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Oakland, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
21 Yrs +0.4 yrs vs City Avg
City Avg: 20.6 Yrs
State Avg: 26.6 Yrs
Regional Practice Density
440 Specialists

Practicing in Oakland, CA (18502 Statewide)

Telehealth Adoption Rate
13.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chen (21 Years) 21 Yrs
Oakland Specialty Average (20.6 Years) 20.6 Yrs

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A102205

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Permanente Medical Group Inc

4601 Dale Rd, Modesto, CA 953569718

Phone: 2097355000

Practice Associates & Co-Workers

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

23 Associated Practitioners
Dr. Shuk Han Wong , MD

Family Medicine

NPI 1033315403

Doctor of Medicine (M.D.)

NPI 1063590636

Doctor of Medicine (M.D.)

Polly Soler , CRNA

Nurse Anesthetist, Certified Registered

NPI 1104156041

Certified Registered Nurse Anesthetist

Dr. Andrea Ajayi , MD

Emergency Medicine

NPI 1164413472

Doctor of Medicine (M.D.)

NPI 1245626746

Doctor of Medicine (M.D.)

NPI 1255419347

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active February 21, 2008

NPI status registered as active in NPPES database

📍
Updated Practice Location February 21, 2008

Registered at 1800 HARRISON ST, 7TH FLOOR, OAKLAND, CA 946123466 (Tel: 5106256262)

📍
Updated Business Mailing Address February 21, 2008

Registered at 1800 HARRISON ST, OAKLAND, CA 946123466

👤
Provider Name / Credentials Updated February 21, 2008

Recorded as STEPHEN CHEN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 21, 2008

Internal Medicine (License #A102205 in CA)

🟢
Initial NPI Registration & Enumeration February 21, 2008

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: 1265601553
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 21, 2008
Last Update: December 20, 2021
Sole Proprietor: No

Mailing Address

1800 Harrison St

Oakland, CA 946123466

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.