Quick answers
- Does Woihwan Kim accept Medicare assignment?
- Yes. Medicare's clinician data says Woihwan 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.
- What is Woihwan Kim's NPI number?
- 1427589845. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Woihwan Kim works
Medicare's Facility Affiliation Data lists Woihwan 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.
- Memorial Hermann Katy HospitalKaty, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450847
- Memorial Hermann Memorial City HospitalHouston, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450610
- Memorial Hermann Sugar Land HospitalSugar Land, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450848
Practice locations
Addresses where Woihwan Kim is enrolled with Medicare (CMS data updated October 2, 2026).
- 6411 Fannin StHouston, TX 77030 (713) 704‑4000
Group practices
Medicare enrollment lists Woihwan Kim as a member of this group (CMS data updated October 2, 2026).
- UT Physicians1,765 clinicians in the group
Specialties
Find other Colorectal Surgery (Proctology) doctors in Texas →
Other colorectal surgeons in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Other clinicians in UT Physicians
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Louisville School Of Medicine |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427589845 |
| 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
- 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