Quick answers
- Which hospitals does Jeffrey Delson work at?
- Medicare's official clinician data lists Jeffrey Delson at 1 hospital: Lenox Hill Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jeffrey Delson see patients?
- Medicare's clinician data lists 2 practice locations, including New York, NY. Call before your visit to confirm the address.
- What is Jeffrey Delson's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Sports Medicine.
- Does Jeffrey Delson accept Medicare assignment?
- Medicare's clinician data says Jeffrey Delson may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Jeffrey Delson?
- (212) 206-0629, as listed in official Medicare / NPI Registry data.
- What is Jeffrey Delson's NPI number?
- 1659449353. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jeffrey Delson works
Medicare's Facility Affiliation Data lists Jeffrey Delson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lenox Hill HospitalNew York, NY · Acute Care Hospital · CCN 330119
Practice locations
Addresses where Jeffrey Delson is enrolled with Medicare (CMS data updated 2026-10-02).
- 7 Gay StNew York, NY 10014 (212) 206‑0629
- 7 Gay St, Apt 1sNew York, NY 10014
Specialties
- Internal Medicineprimary
- Sports Medicinealso
Other internal medicine doctors in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1659449353 |
| 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