Quick answers
- Which hospitals does Mark Ko work at?
- Medicare's official clinician data lists Mark Ko at 2 hospitals: Orlando Health and Orlando Health South Lake Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Ko see patients?
- Medicare's clinician data lists 2 practice locations, including Orlando, FL and Clermont, FL. Call before your visit to confirm the address.
- What is Mark Ko's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Mark Ko accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Ko accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Mark Ko?
- (321) 843-5851, as listed in official Medicare / NPI Registry data.
- What is Mark Ko's NPI number?
- 1982589321. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Ko works
Medicare's Facility Affiliation Data lists Mark Ko at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Orlando HealthOrlando, FL · Acute Care Hospital · CCN 100006
- Orlando Health South Lake HospitalClermont, FL · Acute Care Hospital · CCN 100051
Practice locations
Addresses where Mark Ko is enrolled with Medicare (CMS data updated 2026-10-02).
- 13564 Village Park Dr, Unit 150Orlando, FL 32837 (321) 843‑5851
- 16966 Cagan Ridge Blvd, Suite 220Clermont, FL 34714 (321) 843‑5851
Group practices
Medicare enrollment lists Mark Ko as a member of this group (CMS data updated 2026-10-02).
- Orlando Health Medical Group Inc2,287 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Orlando
Clinicians with the same Medicare primary specialty in Orlando, FL — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982589321 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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