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Advanced Heart Failure and Transplant Cardiology

Alan L. Gass, MD

Works at hospitals in Suffern, NY · Valhalla, NY · New York

Summary

Alan L. Gass, MD (Advanced Heart Failure and Transplant Cardiology) is listed by Medicare at 2 hospitals in Suffern, NY and Valhalla, NY. NPI 1306847603. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Alan L. Gass, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Advanced Heart Failure and Transplant CardiologyPrimary specialty
YesAccepts Medicare assignment
42Years since medical school (graduated 1984)
MaleGender (as listed)
Westchester Medical Center Advanced Physician Services PCGroup practice (+1 more)

Quick answers

Which hospitals does Alan L. Gass work at?
Medicare's official clinician data lists Alan L. Gass at 2 hospitals: Good Samaritan Hospital of Suffern and Westchester Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alan L. Gass see patients?
Medicare's clinician data lists 2 practice locations, including Hawthorne, NY and Suffern, NY. Call before your visit to confirm the address.
What is Alan L. Gass's specialty?
Medicare lists Advanced Heart Failure and Transplant Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
Does Alan L. Gass accept Medicare assignment?
Yes. Medicare's clinician data says Alan L. Gass 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 Alan L. Gass?
(914) 372-7887, as listed in official Medicare / NPI Registry data.
What is Alan L. Gass's NPI number?
1306847603. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alan L. Gass works

Medicare's Facility Affiliation Data lists Alan L. Gass at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Alan L. Gass is enrolled with Medicare (CMS data updated 2026-10-02).

  • 19 Bradhurst Ave, Suite 3060nHawthorne, NY 10532 (914) 372‑7887
  • 257 Lafayette AveSuffern, NY 10901

Group practices

Medicare enrollment lists Alan L. Gass as a member of these groups (CMS data updated 2026-10-02).

  • Westchester Medical Center Advanced Physician Services PC897 clinicians in the group
  • Bon Secours Charity Health System Medical Group, P.C.157 clinicians in the group

Specialties

Find other Advanced Heart Failure and Transplant Cardiology doctors in New York →

Other heart failure and transplant cardiologists in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

All heart failure and transplant cardiologists in New York →

Clinician information

CredentialMD
Graduation year1984
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306847603
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians