Quick answers
- Where does Asaf Klein see patients?
- Medicare's clinician data lists 2 practice locations, including Hewlett, NY and Far Rockaway, NY. Call before your visit to confirm the address.
- What is Asaf Klein's specialty?
- Medicare lists Rheumatology as the primary specialty.
- Does Asaf Klein accept Medicare assignment?
- Yes. Medicare's clinician data says Asaf 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 Asaf Klein?
- (516) 295-4481, as listed in official Medicare / NPI Registry data.
- What is Asaf Klein's NPI number?
- 1669761631. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Asaf Klein is enrolled with Medicare (CMS data updated 2026-10-02).
- 1157 BroadwayHewlett, NY 11557 (516) 295‑4481
- 327 Beach 19th StFar Rockaway, NY 11691 (718) 869‑7919
Group practices
Medicare enrollment lists Asaf Klein as a member of these groups (CMS data updated 2026-10-02).
- St John's Medical Services PC90 clinicians in the group
- Rheumatology Consultants, LLP10 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Hewlett
Clinicians with the same Medicare primary specialty in Hewlett, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669761631 |
| 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
- 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