Kathleen O'Sullivan
NPI 1124610977 · Occupational Therapist · Bay Shore, NY
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen O'Sullivan is a Occupational Therapist provider in Bay Shore, NY (NPI 1124610977).
Provider details
- NPI number
- 1124610977
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,922 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 414 | $23 |
| Therapy Procedure Using Functional Activities97530 | 329 | $40 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 288 | $29 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 277 | $26 |
| Therapy Procedure in a Group Setting97150 | 180 | $15 |
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 165 | $27 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-02-03
- Last updated
- 2021-02-03
- Certified
- 2021-02-03
Frequently asked questions
- What is Kathleen O'Sullivan's NPI number?
- Kathleen O'Sullivan's National Provider Identifier (NPI) is 1124610977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen O'Sullivan's specialty?
- Kathleen O'Sullivan is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Kathleen O'Sullivan located?
- Kathleen O'Sullivan's practice location on file with NPPES is 85 W Main St Ste 202, Bay Shore, NY 11706-8345.
- What is Kathleen O'Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Kathleen O'Sullivan is (631) 359-5859.
- Does Kathleen O'Sullivan accept Medicare?
- Kathleen O'Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen O'Sullivan's NPI active?
- Yes — Kathleen O'Sullivan's NPI (1124610977) is active in the NPPES registry as of the last update on 2021-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.