Quick answers
- Does Kar Shun Constant Mak accept Medicare assignment?
- Yes. Medicare's clinician data says Kar Shun Constant Mak 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 Kar Shun Constant Mak's NPI number?
- 1255080685. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kar Shun Constant Mak works
Medicare's Facility Affiliation Data lists Kar Shun Constant Mak 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.
- HCA Florida Osceola HospitalKissimmee, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 100110
- Orlando Health South Lake HospitalClermont, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100051
Practice locations
Addresses where Kar Shun Constant Mak is enrolled with Medicare (CMS data updated October 2, 2026).
- 1900 Don Wickham DrClermont, FL 34711 (352) 536‑8840
- 6700 Lake Nona Blvd, HCA Ucf Lake Nona Medicla CenterOrlando, FL 32827 (689) 216‑8000
Group practices
Medicare enrollment lists Kar Shun Constant Mak as a member of these groups (CMS data updated October 2, 2026).
- Orlando Health Medical Group Inc2,287 clinicians in the group
- Hospital Medicine Services of Fl, LLC507 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Clermont
Clinicians with the same Medicare primary specialty in Clermont, FL — not a recommendation.
Other clinicians in Orlando Health Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2022 (4 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255080685 |
| 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