Quick answers
- Which hospitals does Mark L. Prasarn work at?
- Medicare's official clinician data lists Mark L. Prasarn at 5 hospitals: Houston Methodist Clear Lake Hospital, Houston Methodist Cypress Hospital, Houston Methodist Hospital, Houston Methodist Sugar Land Hospital and Memorial Hermann - Texas Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark L. Prasarn see patients?
- Medicare's clinician data lists 4 practice locations, including Houston, TX. Call before your visit to confirm the address.
- What is Mark L. Prasarn's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Mark L. Prasarn accept Medicare assignment?
- Yes. Medicare's clinician data says Mark L. Prasarn 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 L. Prasarn?
- (713) 441-9000, as listed in official Medicare / NPI Registry data.
- What is Mark L. Prasarn's NPI number?
- 1750583910. 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 L. Prasarn works
Medicare's Facility Affiliation Data lists Mark L. Prasarn at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Houston Methodist Clear Lake HospitalNassau Bay, TX · Acute Care Hospital · CCN 450709
- Houston Methodist Cypress HospitalCypress, TX · Acute Care Hospital · CCN 670342
- Houston Methodist HospitalHouston, TX · Acute Care Hospital · CCN 450358
- Houston Methodist Sugar Land HospitalSugar Land, TX · Acute Care Hospital · CCN 450820
- Memorial Hermann - Texas Medical CenterHouston, TX · Acute Care Hospital · CCN 450068
Practice locations
Addresses where Mark L. Prasarn is enrolled with Medicare (CMS data updated 2026-10-02).
- 5505 W Loop S, Suite 100Houston, TX 77081 (713) 441‑9000
- 6445 Main St, Suite 2500Houston, TX 77030 (713) 441‑3150
- 6565 Fannin StHouston, TX 77030
- 6565 Fannin St, Suite 520Houston, TX 77030
Group practices
Medicare enrollment lists Mark L. Prasarn as a member of this group (CMS data updated 2026-10-02).
- Houston Methodist Specialty Physicians1,528 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750583910 |
| 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