Quick answers
- Which hospitals does Michael Klein work at?
- Medicare's official clinician data lists Michael Klein at 1 hospital: Hospital for Special Surgery. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael Klein see patients?
- Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
- What is Michael Klein's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Michael Klein accept Medicare assignment?
- Yes. Medicare's clinician data says Michael Klein 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 Michael Klein?
- (212) 606-1224, as listed in official Medicare / NPI Registry data.
- What is Michael Klein's NPI number?
- 1417984980. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael Klein works
Medicare's Facility Affiliation Data lists Michael Klein at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hospital for Special SurgeryNew York, NY · Acute Care Hospital · CCN 330270
Practice locations
Addresses where Michael Klein is enrolled with Medicare (CMS data updated 2026-10-02).
- 535 E 70th StNew York, NY 10021 (212) 606‑1224
Group practices
Medicare enrollment lists Michael Klein as a member of this group (CMS data updated 2026-10-02).
- New York Society for the Relief of the Ruptured and Crippled Maintaini8 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 1973 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417984980 |
| 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