Quick answers
- Which hospitals does Gyuhee Seong work at?
- Medicare's official clinician data lists Gyuhee Seong at 4 hospitals: Mount Sinai Beth Israel, NY Eye and Ear Infirmary of Mount Sinai, Ronald Reagan UCLA Medical Center and Santa Monica - UCLA Medical Center & Orthopaedic Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gyuhee Seong see patients?
- Medicare's clinician data lists 10 practice locations, including New York, NY, Los Angeles, CA and Santa Monica, CA. Call before your visit to confirm the address.
- What is Gyuhee Seong's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Gyuhee Seong accept Medicare assignment?
- Yes. Medicare's clinician data says Gyuhee Seong 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 Gyuhee Seong offer telehealth?
- Medicare's clinician data says Gyuhee Seong offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gyuhee Seong?
- (212) 844-8100, as listed in official Medicare / NPI Registry data.
- What is Gyuhee Seong's NPI number?
- 1962086835. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gyuhee Seong works
Medicare's Facility Affiliation Data lists Gyuhee Seong at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Sinai Beth IsraelNew York, NY · Acute Care Hospital · closed, according to its website · CCN 330169
- NY Eye and Ear Infirmary of Mount SinaiNew York, NY · Acute Care Hospital · CCN 330100
- Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · CCN 050262
- Santa Monica - UCLA Medical Center & Orthopaedic HospitalSanta Monica, CA · Acute Care Hospital · CCN 050112
Practice locations
Addresses where Gyuhee Seong is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 1 St Ave 16th StNew York, NY 10003 (212) 844‑8100
- 10 Union Sq ENew York, NY 10003 (212) 844‑8100
- 100 Medical PlazaLos Angeles, CA 90095
- 100 Medical Plz, Suite 310Los Angeles, CA 90095 (310) 825‑7922
- 1245 16th StSanta Monica, CA 90404
Group practices
Medicare enrollment lists Gyuhee Seong as a member of these groups (CMS data updated 2026-10-02).
- Icahn School of Medicine at Mount Sinai2,843 clinicians in the group
- The Regents of the University of California1,462 clinicians in the group
Specialties
- Internal Medicineprimary
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 |
|---|---|
| Medical school | Kaiser Permanente School Of Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1962086835 |
| 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