Kar Shun Constant Mak, MD
NPI 1255080685ActiveIndividual· Internal Medicine· Clermont, FL
Internal Medicine (MD) with Orlando Health Medical Group Inc and 1 other group, practicing in Clermont, Florida. Part D covered 24 prescriptions written in 2024, 96% of them generic. Lists HCA Florida Osceola Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1255080685 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 22, 2022 |
| Last updated in NPPES | Aug 27, 2026 |
| Certified by provider | Aug 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ME173559 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (FL) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 24 · 38 30-day fills |
|---|---|
| Total drug cost | $2,150 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Orlando Health Medical Group IncWindermere, FL · 2,287 clinicians
- Hospital Medicine Services of Fl, LLCSarasota, FL · 507 clinicians
Hospital affiliations
- HCA Florida Osceola HospitalKissimmee, FL
- Orlando Health South Lake HospitalClermont, FL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 125 internal medicine physicians in Clermont · All internal medicine physicians in Florida