Doctor profile · Federal record

Dr. Kathleen O'Sullivan

Occupational Therapist (CMS: Occupational Therapist in Private Practice) · Bay Shore, NY

  • NPI 1124610977
  • Accepts Medicare
  • MIPS 88.1 / 100 · 2023
  • 6 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
85 W Main St Ste 202
Bay Shore, NY 117068345
(631) 359-5859
Mailing address
576 Broadhollow RD
Melville, NY 117475002

Credentials & registration

NPPES · NUCC
NPI registered
February 2021 — 5 yrs on file
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
225X00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124610977. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,775
Distinct HCPCS
7
Medicare allowed
$54,284
HCPCS Description Services Patients Avg allowed
97530 Therapy procedure using functional activities 571 79 $39
97140 Therapy procedure using manual technique, each 15 minutes 494 78 $23
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 269 66 $30
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 229 50 $25
97150 Therapy procedure in a group setting 140 41 $16
97535 Training for self-care or home management, each 15 minutes 42 36 $27
97165 Evaluation for occupational therapy, typically 30 minutes 30 28 $115

In context: peer comparison

Among 5 peers in Bay Shore Occupational Therapist, average services per provider: 304. This provider delivers 5.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathleen O'Sullivan's medical specialty?
Dr. Kathleen O'Sullivan practices Occupational Therapist in Bay Shore, NY.
Where does Dr. Kathleen O'Sullivan practice?
Dr. Kathleen O'Sullivan practices at 85 W Main St Ste 202, Bay Shore, NY 117068345. Office phone: 6313595859.
What is Dr. Kathleen O'Sullivan's NPI?
Dr. Kathleen O'Sullivan's National Provider Identifier (NPI) is 1124610977, issued by NPPES.
Does Dr. Kathleen O'Sullivan accept Medicare assignment?
Yes. Dr. Kathleen O'Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathleen O'Sullivan commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using functional activities (HCPCS 97530); Therapy procedure using manual technique (HCPCS 97140); Therapy procedure to re-educate brain-to-nerve-to-muscle function (HCPCS 97112). Source: CMS Medicare Physician & Other Practitioners file.