Quick answers
- Which hospitals does Marc Schwartz work at?
- Medicare's official clinician data lists Marc Schwartz at 2 hospitals: NYU Langone Hospitals and University of Colorado Hospital Authority. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marc Schwartz see patients?
- Medicare's clinician data lists 3 practice locations, including New York, NY and Mineola, NY. Call before your visit to confirm the address.
- What is Marc Schwartz's specialty?
- Medicare lists Hematology as the primary specialty.
- Does Marc Schwartz accept Medicare assignment?
- Yes. Medicare's clinician data says Marc Schwartz 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.
- Does Marc Schwartz offer telehealth?
- Medicare's clinician data says Marc Schwartz offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marc Schwartz?
- (212) 263-9700, as listed in official Medicare / NPI Registry data.
- What is Marc Schwartz's NPI number?
- 1518385467. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marc Schwartz works
Medicare's Facility Affiliation Data lists Marc Schwartz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- NYU Langone HospitalsNew York, NY · Acute Care Hospital · CCN 330214
- University of Colorado Hospital AuthorityAurora, CO · Acute Care Hospital · CCN 060024
Practice locations
Addresses where Marc Schwartz is enrolled with Medicare (CMS data updated 2026-10-02).
- 111 BroadwayNew York, NY 10006 (212) 263‑9700
- 259 1st StMineola, NY 11501
- 297 Mineola BlvdMineola, NY 11501 (516) 294‑1377
Group practices
Medicare enrollment lists Marc Schwartz as a member of this group (CMS data updated 2026-10-02).
- New York University6,134 clinicians in the group
Specialties
- Hematologyprimary
Other hematologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1518385467 |
| 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