Tat Sum Lee, M.D.
NPI 1306947072 · Internal Medicine Physician · Dunkirk, NY
Tat Sum Lee, M.D. is a Internal Medicine Physician organization in Dunkirk, NY (NPI 1306947072).
Provider details
- NPI number
- 1306947072
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Tat Sum Lee, Owner(716) 363-1515
- License
- 126308 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-26
- Last updated
- 2025-09-11
Frequently asked questions
- What is Tat Sum Lee, M.D.'s NPI number?
- Tat Sum Lee, M.D.'s National Provider Identifier (NPI) is 1306947072, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Tat Sum Lee, M.D.?
- Tat Sum Lee, M.D. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tat Sum Lee, M.D. located?
- Tat Sum Lee, M.D.'s practice location on file with NPPES is 3898 Vineyard Dr, Dunkirk, NY 14048-3559.
- What is Tat Sum Lee, M.D.'s phone number?
- The practice phone number listed in the NPPES registry for Tat Sum Lee, M.D. is (716) 363-1515.
- Who is the authorized official for Tat Sum Lee, M.D.?
- The authorized official listed on Tat Sum Lee, M.D.'s NPPES record is Tat Sum Lee, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Tat Sum Lee, M.D.'s NPI active?
- Yes — Tat Sum Lee, M.D.'s NPI (1306947072) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.