Doctor profile · Federal record

Dr. Kelly Sass

Psychiatric/Mental Health Nurse Practitioner · Registered Nurse · Smithtown, NY

  • NPI 1659981470
  • 6 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11 Route 111
Smithtown, NY 117873754
(631) 920-8351

Credentials & registration

NPPES · NUCC
NPI registered
August 2020 — 6 yrs on file
Profile last updated
November 9, 2020
Specialty taxonomy
363LP0808X — NUCC code
State licenses (2)
New York #403199 · New York #667614

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659981470. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$466
Transactions
10
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, INC. 5 $229.74
Alkermes, INC. 4 $200.97
Neurocrine Biosciences, INC. 1 $35.26

By nature of payment

Food and Beverage
$466

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,113
Patients
132
Total drug cost
$264,399
Drug Type Claims Patients Total cost
Olanzapine Generic 138 17 $6,026
Haloperidol Generic 107 15 $4,298
Quetiapine Fumarate Generic 106 14 $3,569
Clozapine Generic 96 0 $5,230
Trazodone Hcl Generic 88 15 $1,285
Benztropine Mesylate Generic 79 20 $956
Haloperidol Decanoate Generic 79 17 $6,115
Divalproex Sodium Generic 66 12 $7,044
Fluphenazine Decanoate Generic 66 11 $8,548
Invega Sustenna (Paliperidone Palmitate) Brand 64 11 $210,370

Frequently asked questions

Auto-generated from federal data
What is Dr. Kelly Sass's medical specialty?
Dr. Kelly Sass practices Psychiatric/Mental Health Nurse Practitioner in Smithtown, NY.
Where does Dr. Kelly Sass practice?
Dr. Kelly Sass practices at 11 Route 111, Smithtown, NY 117873754. Office phone: 6319208351.
What is Dr. Kelly Sass's NPI?
Dr. Kelly Sass's National Provider Identifier (NPI) is 1659981470, issued by NPPES.