Quick answers
- Where does Katherine A. Walsh see patients?
- Medicare's clinician data lists 3 practice locations, including Farmingville, NY, Great River, NY and Port Jefferson, NY. Call before your visit to confirm the address.
- What is Katherine A. Walsh's specialty?
- Medicare lists Clinical Social Worker as the primary specialty.
- Does Katherine A. Walsh accept Medicare assignment?
- Medicare's clinician data says Katherine A. Walsh may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Katherine A. Walsh offer telehealth?
- Medicare's clinician data says Katherine A. Walsh offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Katherine A. Walsh?
- (631) 854-2552, as listed in official Medicare / NPI Registry data.
- What is Katherine A. Walsh's NPI number?
- 1558726349. 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 Katherine A. Walsh is enrolled with Medicare (CMS data updated 2026-10-02).
- 15 Horseblock PlFarmingville, NY 11738 (631) 854‑2552
- 3500 Sunrise Hwy 124, PO Box 9006Great River, NY 11739
- 710 Main StPort Jefferson, NY 11777 (631) 680‑7222
Group practices
Medicare enrollment lists Katherine A. Walsh as a member of these groups (CMS data updated 2026-10-02).
- County of Suffolk9 clinicians in the group
- Janice Martin Licensed Clinical Social Worker PC9 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Farmingville
Clinicians with the same Medicare primary specialty in Farmingville, NY — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558726349 |
| 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