Quick answers
- Which hospitals does John J. Layden work at?
- Medicare's official clinician data lists John J. Layden at 3 hospitals: Glens Falls Hospital, Palm Bay Hospital and Saratoga Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John J. Layden see patients?
- Medicare's clinician data lists 3 practice locations, including Queensbury, NY, Cocoa Beach, FL and Granville, NY. Call before your visit to confirm the address.
- What is John J. Layden's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does John J. Layden accept Medicare assignment?
- Yes. Medicare's clinician data says John J. Layden 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.
- What is the phone number for John J. Layden?
- (518) 792-1233, as listed in official Medicare / NPI Registry data.
- What is John J. Layden's NPI number?
- 1538162235. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John J. Layden works
Medicare's Facility Affiliation Data lists John J. Layden at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Glens Falls HospitalGlens Falls, NY · Acute Care Hospital · CCN 330191
- Palm Bay HospitalPalm Bay, FL · Acute Care Hospital · CCN 100316
- Saratoga HospitalSaratoga Springs, NY · Acute Care Hospital · CCN 330222
Practice locations
Addresses where John J. Layden is enrolled with Medicare (CMS data updated 2026-10-02).
- 6 Hearts Way, Adirondack CardiologyQueensbury, NY 12804 (518) 792‑1233
- 699 W Cocoa Beach CswyCocoa Beach, FL 32931
- 79 N St, Granville Medical CenterGranville, NY 12832 (518) 642‑0612
Group practices
Medicare enrollment lists John J. Layden as a member of these groups (CMS data updated 2026-10-02).
- Health First Medical Group, LLC711 clinicians in the group
- Glens Falls Hospital Inc178 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Queensbury
Clinicians with the same Medicare primary specialty in Queensbury, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538162235 |
| 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