Quick answers
- Which hospitals does Sean Ho Yoon work at?
- Medicare's official clinician data lists Sean Ho Yoon at 2 hospitals: Long Island Jewish Medical Center and North Shore University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sean Ho Yoon see patients?
- Medicare's clinician data lists 2 practice locations, including Glen Oaks, NY and Great Neck, NY. Call before your visit to confirm the address.
- What is Sean Ho Yoon's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Sean Ho Yoon accept Medicare assignment?
- Yes. Medicare's clinician data says Sean Ho Yoon 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 Sean Ho Yoon offer telehealth?
- Medicare's clinician data says Sean Ho Yoon offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sean Ho Yoon?
- (718) 470-4000, as listed in official Medicare / NPI Registry data.
- What is Sean Ho Yoon's NPI number?
- 1386208858. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sean Ho Yoon works
Medicare's Facility Affiliation Data lists Sean Ho Yoon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · CCN 330195
- North Shore University HospitalManhasset, NY · Acute Care Hospital · CCN 330106
Practice locations
Addresses where Sean Ho Yoon is enrolled with Medicare (CMS data updated 2026-10-02).
- 25611 Union TpkeGlen Oaks, NY 11004 (718) 470‑4000
- 865 Northern Boulevard, Suite 203Great Neck, NY 11021 (516) 708‑2540
Group practices
Medicare enrollment lists Sean Ho Yoon as a member of this group (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1386208858 |
| 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