● Active Type 1 · Individual

Dr. Sunyoung Lee, MD

Medical Oncology (Internal Medicine)·Houston, TX· NPI 1003159054 · Enumerated 2013 · 13 years on NPI

Lee is 1 of 232 medical oncology (internal medicine) providers in Houston and 1 of 588 in Texas.

NPI age

13 years

Enumerated 2013-03-28

Primary specialty

Medical Oncology (Internal Medicine)

Plus 1 subspecialty

Licensed in

TX, NY

2 states

Status

Active

No deactivations on record

Last NPPES update

2023-05-03

Source: CMS NPPES provider record

Sole proprietor

May be part of a larger org

How this provider compares

Across 588 active medical oncology (internal medicine) providers in Texas.

NPI age

13 years

↓ 6 yr below median (19 yr)

State licenses

2 states

Top 78% — 21% of peers are multi-state

Subspecialties

In the 45% of peers with subspecialties

NPI lifetime · 2013 → 2023

2013-03Enumerated in NPPES

2013 2023

Where they practice

Practice location

1515 Holcombe Blvd

Houston, TX 770304000

📞 7137926161

Mailing address

P O Box 4439

Houston, TX 772104439

📞 7137922991

Specialties

Allopathic & Osteopathic Physicians › Internal Medicine

Internal Medicine Primary

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and...

TX license #S2626 taxonomy 207RX0202X
Internal Medicine

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,...

NY license #285849 taxonomy 207R00000X

Identifiers

Type	Value	Notes
05 (NY)	04660037

Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.

Medicare directory context

Attributes below come from the CMS Doctors & Clinicians dataset used by Medicare Care Compare, retrieved 2026-10-12. They apply only to this clinician's public Medicare listing.

Medicare specialties

Medical Oncology

Plus 2 additional

Telehealth

Listed by CMS

Confirm current availability with the practice

Largest Medicare group

2728 members

Largest listed enrollment group

Facility affiliations reported by CMS

Physicians Referral Service

Medicare listing data does not guarantee that a clinician is accepting new patients or that a service is covered. View the CMS dataset →

Practice context

Part of a multi-provider practice. 3,807 other active providers share this practice address in NPPES.

Recently enumerated nearby: 3 new medical oncology (internal medicine) providers have been added in Houston in the last 180 days. See all →

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How to verify this provider

Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
Check the state license is currently active.State licensing boards publish current status; NPPES does not.
Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.