Quick answers
- Does Sewng Choi accept Medicare assignment?
- Yes. Medicare's clinician data says Sewng Choi 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 Sewng Choi see?
- In 2024, CMS data shows 204 Original Medicare patients and 281 services for Sewng Choi. This counts Original Medicare only and measures volume, not quality.
- What is Sewng Choi's NPI number?
- 1497799084. 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 Sewng Choi, 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 | 204 |
|---|---|
| Services billed to Medicare | 281 |
| Different services or procedures | 65 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Anesthesia for electroshock therapy (00104)52 services
- Insertion of artery tube for blood sampling or infusion through skin (36620)18 services
- Anesthesia for extensive surgery on spine (00670)14 services
- Anesthesia for other procedure on skin of arms, legs, and front body (00400)13 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 cholesterol71%
- Arthritis58%
- Anxiety35%
- Ischemic heart disease29%
- Depression29%
Hospitals where Sewng Choi works
Medicare's Facility Affiliation Data lists Sewng Choi 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.
- Chenango Memorial HospitalNorwich, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330033
- United Health Services Hospitals, IncBinghamton, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330394
Practice locations
Addresses where Sewng Choi is enrolled with Medicare (CMS data updated October 2, 2026).
- 10 -24 Mitchell AveBinghamton, NY 13903
- 179 N Broad StNorwich, NY 13815 (607) 337‑4111
- 33 -57 Harrison StJohnson City, NY 13790 (607) 763‑6101
- 52 Harrison StJohnson City, NY 13790 (607) 763‑5898
- 54 Main StCandor, NY 13743 (607) 659‑7272
Group practices
Medicare enrollment lists Sewng Choi as a member of these groups (CMS data updated October 2, 2026).
- United Health Services Hospitals, Inc.477 clinicians in the group
- Chenango Memorial Hospital Inc111 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Binghamton
Clinicians with the same Medicare primary specialty in Binghamton, NY — not a recommendation.
Other clinicians in United Health Services Hospitals, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497799084 |
| 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