Quick answers
- Which hospitals does Louis I. Heller work at?
- Medicare's official clinician data lists Louis I. Heller at 3 hospitals: Healthalliance Hospital Marys Avenue Campus, Margaretville Memorial Hospital and Vassar Brothers Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Louis I. Heller see patients?
- Medicare's clinician data lists 6 practice locations, including Kingston, NY, Margaretville, NY and Valhalla, NY. Call before your visit to confirm the address.
- What is Louis I. Heller's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Louis I. Heller accept Medicare assignment?
- Yes. Medicare's clinician data says Louis I. Heller 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 Louis I. Heller?
- (845) 339-3663, as listed in official Medicare / NPI Registry data.
- What is Louis I. Heller's NPI number?
- 1821084237. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Louis I. Heller works
Medicare's Facility Affiliation Data lists Louis I. Heller at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Healthalliance Hospital Marys Avenue CampusKingston, NY · Acute Care Hospital · CCN 330224
- Margaretville Memorial HospitalMargaretville, NY · Critical Access Hospital · CCN 331304
- Vassar Brothers Medical CenterPoughkeepsie, NY · Acute Care Hospital · CCN 330023
Practice locations
Addresses where Louis I. Heller is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 111 Marys Ave, Suite 3Kingston, NY 12401 (845) 339‑3663
- 117 Marys Ave, Suite 102Kingston, NY 12401 (845) 338‑5555
- 396 BroadwayKingston, NY 12401 (845) 331‑3131
- 42082 State Hwy 28, Suite 17Margaretville, NY 12455 (845) 303‑1132
- 42084 State Hwy 28Margaretville, NY 12455 (845) 586‑2631
Group practices
Medicare enrollment lists Louis I. Heller as a member of this group (CMS data updated 2026-10-02).
- Westchester Medical Center Advanced Physician Services PC897 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Kingston
Clinicians with the same Medicare primary specialty in Kingston, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821084237 |
| 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