Doctor profile · Federal record

Dr. Diana Kaplan, D.O.

Pediatric Endocrinology Physician (CMS: Pediatric Medicine) · Student in an Organized Health Care Education/Training Program · Stony Brook, NY

  • NPI 1982066130
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
101 Nicolls RD # T11-080
Stony Brook, NY 117948111
(631) 444-3429
Additional location
Stony Brook Medicine Dept of Pediatrics, Hsc T-11, Room 040
Stony Brook, NY 117948111
(631) 444-2020
Mailing address
3053 Lonni Ln
Merrick, NY 115665130

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
June 10, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
2080P0205X — NUCC code
State license (1)
New York #299995

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982066130. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$183
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Sanofi-Aventis U.S. LLC 1 $119.94
Ns Pharma, INC. 1 $22.25
Itf Therapeutics LLC 1 $21.54
Biogen, INC. 1 $19.20

By nature of payment

Food and Beverage
$183

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Kaplan's medical specialty?
Dr. Diana Kaplan practices Pediatric Endocrinology Physician in Stony Brook, NY.
Where does Dr. Diana Kaplan practice?
Dr. Diana Kaplan practices at 101 Nicolls RD # T11-080, Stony Brook, NY 117948111. Office phone: 6314443429.
What is Dr. Diana Kaplan's NPI?
Dr. Diana Kaplan's National Provider Identifier (NPI) is 1982066130, issued by NPPES.
Does Dr. Diana Kaplan accept Medicare assignment?
Yes. Dr. Diana Kaplan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.