Quick answers
- Which hospitals does Daniel J. Machleder work at?
- Medicare's official clinician data lists Daniel J. Machleder at 5 hospitals: Chsli St Joseph Hospital, Good Samaritan Hospital Medical Center, Mercy Medical Center, St Catherine of Siena Hospital and St Francis Hospital - The Heart Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Daniel J. Machleder see patients?
- Medicare's clinician data lists 4 practice locations, including Rockville Center, NY, Greenvale, NY and Stony Brook, NY. Call before your visit to confirm the address.
- What is Daniel J. Machleder's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty, and also Interventional Radiology.
- Does Daniel J. Machleder accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel J. Machleder 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 Daniel J. Machleder?
- (718) 223-4685, as listed in official Medicare / NPI Registry data.
- What is Daniel J. Machleder's NPI number?
- 1528209848. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Daniel J. Machleder works
Medicare's Facility Affiliation Data lists Daniel J. Machleder at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chsli St Joseph HospitalBethpage, NY · Acute Care Hospital · CCN 330332
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · CCN 330286
- Mercy Medical CenterRockville Centre, NY · Acute Care Hospital · CCN 330259
- St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · CCN 330401
- St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · CCN 330182
Practice locations
Addresses where Daniel J. Machleder is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 N Village AveRockville Center, NY 11570 (718) 223‑4685
- 2200 Northern Blvd, 100c St Francis DiagnosticGreenvale, NY 11548 (516) 325‑7400
- 2500 Nesconset Hwy, Bldg 7dStony Brook, NY 11790 (631) 751‑3322
- 510 Hicksville RdMassapequa, NY 11758 (516) 795‑2626
Group practices
Medicare enrollment lists Daniel J. Machleder as a member of these groups (CMS data updated 2026-10-02).
- CHS Physician Partners PC743 clinicians in the group
- Empire State Radiology P C268 clinicians in the group
- St Francis Cardiac Prevention Services PC62 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
- Interventional Radiologyalso
Other radiologists in Rockville Center
Clinicians with the same Medicare primary specialty in Rockville Center, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528209848 |
| 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