Doctor profile · Federal record

Dr. Deborah Tan, DO

Internal Medicine Physician (CMS: Internal Medicine) · Student Health Clinic/Center · Southampton, NY

  • NPI 1407435670
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
240 Meeting House Ln
Southampton, NY 119685009
(631) 726-8200
Additional location
112 Mansfield Ave
Willimantic, CT 062262045
(860) 456-9116
Additional location
326 Washington St
Norwich, CT 063602740
(860) 889-8331
Mailing address
326 Washington St
Norwich, CT 063602740

Credentials & registration

NPPES · NUCC
NPI registered
April 2021 — 5 yrs on file
Profile last updated
August 14, 2024
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #79114

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407435670. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$492
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Alexion Pharmaceuticals, Inc. 1 $134.99
ABBVIE INC. 1 $125.00
AstraZeneca Pharmaceuticals LP 1 $125.00
Amgen Inc. 1 $107.44

By nature of payment

Food and Beverage
$492

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Deborah Tan's medical specialty?
Dr. Deborah Tan practices Internal Medicine Physician in Southampton, NY.
Where does Dr. Deborah Tan practice?
Dr. Deborah Tan practices at 240 Meeting House Ln, Southampton, NY 119685009. Office phone: 6317268200.
What is Dr. Deborah Tan's NPI?
Dr. Deborah Tan's National Provider Identifier (NPI) is 1407435670, issued by NPPES.
Does Dr. Deborah Tan accept Medicare assignment?
Yes. Dr. Deborah Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.