Matthew Hyun Joon Lee, D.O.
Medical Oncology Internal Medicine
Matthew Hyun Joon Lee is a Medical Oncology Internal Medicine specialist based in San Mateo, CA with over 9 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE
Matthew Hyun Joon Lee, D.O. runs an independent medical oncology internal medicine specialist practice in San Mateo, CA. He graduated from Philadelphia College of Osteopathic Medicine in 2017 and has 9+ years of clinical experience. Medical oncologists diagnose and treat cancer using chemotherapy, immunotherapy, targeted therapy, and hormone therapy.
Older · 671dNPPES updated 2024-07-22 · verify NPI on CMS · Verify license at Medical Board of California
$710 received from industry
15 transactions reported in 2024 ·Moderate tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Matthew Hyun Joon Lee's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2017
Philadelphia College of Osteopathic Medicine
Board certified · Jul 21, 2024
Self-reported via NPPES
9 years in practice
Established
Medical oncologists diagnose and treat cancer using chemotherapy, immunotherapy, targeted therapy, and hormone therapy. They coordinate care with surgical oncologists and radiation oncologists for comprehensive cancer treatment.
Taxonomy: 207RX0202X
Education & Training
Philadelphia College of Osteopathic Medicine (Class of 2017)
Mailing address
4445 Magnolia Ave Riverside Community Hospital Gme Office, Riverside, CA 92501
Differs from practice location
Primary hospital affiliation: Psychiatric
CMS Certification Number: 184014
View hospital on Medicare Care CompareVirtual Medical Oncology Care With Matthew Hyun Joon Lee
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Matthew Hyun Joon Lee for follow-ups, medication reviews, and ongoing care — no travel to San Mateo required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Matthew Hyun Joon Lee
Dr. Lee is listed as active in the NPI registry with telehealth listed in San Mateo, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (650) 341-9131.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024. See Data Methodology.
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Contact Matthew Hyun Joon Lee
Practice Location
218 De Anza Blvd, San Mateo, CA 94402-3913
Mailing Address
4445 Magnolia Ave Riverside Community Hospital Gme Office, Riverside, CA 92501
This is a provider directory. Contact the office directly to schedule appointments.
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