Quick answers
- Where does Timothy J. McCarthy see patients?
- Medicare's clinician data lists 4 practice locations, including Farmingville, NY, West Islip, NY and Shirley, NY. Call before your visit to confirm the address.
- What is Timothy J. McCarthy's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Timothy J. McCarthy accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy J. McCarthy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Timothy J. McCarthy offer telehealth?
- Medicare's clinician data says Timothy J. McCarthy offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Timothy J. McCarthy?
- (631) 696-4357, as listed in official Medicare / NPI Registry data.
- What is Timothy J. McCarthy's NPI number?
- 1285265645. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Timothy J. McCarthy is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Granny Rd, Suite 1Farmingville, NY 11738 (631) 696‑4357
- 1000 Montauk HwyWest Islip, NY 11795 (516) 705‑2689
- 2 Coraci Blvd, Suite 16Shirley, NY 11967 (631) 696‑4357
- 200 Belle Terre RdPort Jefferson, NY 11777 (631) 474‑6000
Group practices
Medicare enrollment lists Timothy J. McCarthy as a member of these groups (CMS data updated 2026-10-02).
- Samaritan Medical Services PC354 clinicians in the group
- CS Medical Associates, PC67 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Farmingville
Clinicians with the same Medicare primary specialty in Farmingville, NY — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285265645 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians