Quick answers
- Which hospitals does Francis X. Walsh work at?
- Medicare's official clinician data lists Francis X. Walsh at 1 hospital: Greenwich Hospital Association -. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Francis X. Walsh see patients?
- Medicare's clinician data lists 3 practice locations, including Fairfield, CT, Cos Cob, CT and Rye Brook, NY. Call before your visit to confirm the address.
- What is Francis X. Walsh's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Francis X. Walsh accept Medicare assignment?
- Yes. Medicare's clinician data says Francis X. Walsh 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 Francis X. Walsh offer telehealth?
- Medicare's clinician data says Francis X. Walsh offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Francis X. Walsh?
- (203) 384-8681, as listed in official Medicare / NPI Registry data.
- What is Francis X. Walsh's NPI number?
- 1124174347. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Francis X. Walsh works
Medicare's Facility Affiliation Data lists Francis X. Walsh at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Greenwich Hospital Association -Greenwich, CT · Acute Care Hospital · CCN 070018
Practice locations
Addresses where Francis X. Walsh is enrolled with Medicare (CMS data updated 2026-10-02).
- 1931 Black Rock TpkeFairfield, CT 06825 (203) 384‑8681
- 31 River Rd, Suite 200Cos Cob, CT 06807 (203) 661‑9433
- 787 King StRye Brook, NY 10573 (914) 937‑5800
Group practices
Medicare enrollment lists Francis X. Walsh as a member of this group (CMS data updated 2026-10-02).
- Rehabilitation Associates Inc529 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Connecticut
Clinicians with the same Medicare primary specialty in Connecticut — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1967 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1124174347 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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