Quick answers
- Does Sanghyun A. Kim accept Medicare assignment?
- Yes. Medicare's clinician data says Sanghyun A. Kim accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Sanghyun A. Kim see?
- In 2024, CMS data shows 133 Original Medicare patients and 359 services for Sanghyun A. Kim. This counts Original Medicare only and measures volume, not quality.
- What is Sanghyun A. Kim's NPI number?
- 1457328569. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Sanghyun A. Kim, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 133 |
|---|---|
| Services billed to Medicare | 359 |
| Different services or procedures | 49 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Diagnostic exam of anus using an endoscope (46600)95 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)65 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)48 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)22 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)16 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Diabetes38%
- Ischemic heart disease32%
- Anxiety29%
Hospitals where Sanghyun A. Kim works
Medicare's Facility Affiliation Data lists Sanghyun A. Kim at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mount Sinai Beth IsraelNew York, NY · Acute Care Hospital · closed, according to its website · CCN 330169
- Mount Sinai HospitalNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330024
Practice locations
Addresses where Sanghyun A. Kim is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1 Gustave L Levy PlNew York, NY 10029
- 10 Union Square E, Surgery DeptNew York, NY 10003 (212) 420‑2000
- 1111 Amsterdam AveNew York, NY 10025 (212) 523‑2400
- 13620 38th AveFlushing, NY 11354 (212) 241‑6591
- 1555 Ctr Ave, Suite 2Fort Lee, NJ 07024 (201) 259‑7371
Group practices
Medicare enrollment lists Sanghyun A. Kim as a member of this group (CMS data updated October 2, 2026).
- Icahn School of Medicine at Mount Sinai2,843 clinicians in the group
Specialties
Other general surgeons in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in Icahn School of Medicine at Mount Sinai
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457328569 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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