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TAT SUM LEE, M.D.
NPI 1306947072
Internal Medicine in Dunkirk, NY

Active since September 26, 2006
3898 VINEYARD DR, DUNKIRK, NY 14048(716) 363-1515(716) 363-7677 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Tat Sum Lee, M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TAT SUM LEE, M.D. (NPI 1306947072) is a healthcare organization registered as an internal medicine in Dunkirk, New York and active in the NPI registry since September 2006. The organization lists Tat Sum Lee, Owner, as its authorized official.

NPPES Registry Identity

NPI1306947072
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameTAT SUM LEE, M.D.
Location Address3898 VINEYARD DRDunkirk, NY 14048-3559
Mailing Address3898 Vineyard DrDunkirk, NY 14048-3559 · (716) 363-1515 · Fax (716) 363-7677
Phone(716) 363-1515
Fax(716) 363-7677
Organization SubpartNo
Authorized OfficialTat Sum LeeOwner · (716) 363-1515
Enumeration DateSeptember 26, 2006
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1306947072 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NY · 002401✔ Licensed in NY · 001581
Definition
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.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 126308 (NY), 226915 (NY)
3898 VINEYARD DR, Dunkirk, NY 14048
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GENERAL PHYSICIAN, PC
General Practice
3898 VINEYARD DR
DUNKIRK, NY 14048
Chautauqua County (716) 692-3302
KEILEN LEIGH-ANN SAM
Nurse Practitioner (Family)
3898 VINEYARD DR
DUNKIRK, NY 14048
Chautauqua County (716) 363-2233
MAXIM MITCHELL MD
Family Medicine
3898 VINEYARD DR
DUNKIRK, NY 14048
Chautauqua County (716) 646-5500
DR. STEPHEN PETER SMITH M.D.
Internal Medicine
3898 VINEYARD DR
DUNKIRK, NY 14048
Chautauqua County (716) 363-1515
DR. TAT- SUM LEE M.D.
Family Medicine
3898 VINEYARD DR, SUITE 3
DUNKIRK, NY 14048
Chautauqua County (716) 363-1515
MRS. KATELYN RENEE HEIST FNP-BC
Nurse Practitioner (Family)
3898 VINEYARD DR
DUNKIRK, NY 14048
Chautauqua County (716) 363-6960
DR. JAMES JOSEPH CIRBUS MD
Internal Medicine (Cardiovascular Disease)
3898 VINEYARD DR
DUNKIRK, NY 14048
Chautauqua County (716) 363-6960

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tat Sum Lee, M.D.'s NPI number?

The NPI number for Tat Sum Lee, M.D. is 1306947072. It was assigned to this organization in the NPPES registry on September 26, 2006.

Where is Tat Sum Lee, M.D. located?

Tat Sum Lee, M.D. is located at 3898 Vineyard Dr, Dunkirk, NY 14048. The listed phone number is (716) 363-1515.

What is Tat Sum Lee, M.D.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Tat Sum Lee, M.D. was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.