Quick answers
- Which hospitals does Ernest L. Isaacson work at?
- Medicare's official clinician data lists Ernest L. Isaacson at 2 hospitals: John T Mather Memorial Hospital of Port Jefferson and Montefiore Mount Vernon Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ernest L. Isaacson see patients?
- Medicare's clinician data lists 2 practice locations, including New York, NY and Englewood Cliffs, NJ. Call before your visit to confirm the address.
- What is Ernest L. Isaacson's specialty?
- Medicare lists Podiatry as the primary specialty.
- Does Ernest L. Isaacson accept Medicare assignment?
- Yes. Medicare's clinician data says Ernest L. Isaacson 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 Ernest L. Isaacson?
- (212) 420-6002, as listed in official Medicare / NPI Registry data.
- What is Ernest L. Isaacson's NPI number?
- 1679679963. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ernest L. Isaacson works
Medicare's Facility Affiliation Data lists Ernest L. Isaacson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY · Acute Care Hospital · CCN 330185
- Montefiore Mount Vernon HospitalMount Vernon, NY · Acute Care Hospital · CCN 330086
Practice locations
Addresses where Ernest L. Isaacson is enrolled with Medicare (CMS data updated 2026-10-02).
- 30 Park AveNew York, NY 10016 (212) 420‑6002
- 630 E Palisade AveEnglewood Cliffs, NJ 07632 (201) 834‑1140
Group practices
Medicare enrollment lists Ernest L. Isaacson as a member of this group (CMS data updated 2026-10-02).
- Ernest L Isaacson DPM PC5 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679679963 |
| 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