Quick answers
- Which hospitals does Ivan E. Mok work at?
- Medicare's official clinician data lists Ivan E. Mok at 2 hospitals: Memorial Hermann Sugar Land Hospital and OakBend Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ivan E. Mok see patients?
- Medicare's clinician data lists 3 practice locations, including Sugar Land, TX and Houston, TX. Call before your visit to confirm the address.
- What is Ivan E. Mok's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Ivan E. Mok accept Medicare assignment?
- Yes. Medicare's clinician data says Ivan E. Mok 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 Ivan E. Mok?
- (281) 725-5026, as listed in official Medicare / NPI Registry data.
- What is Ivan E. Mok's NPI number?
- 1639494743. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ivan E. Mok works
Medicare's Facility Affiliation Data lists Ivan E. Mok at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial Hermann Sugar Land HospitalSugar Land, TX · Acute Care Hospital · CCN 450848
- OakBend Medical CenterRichmond, TX · Acute Care Hospital · CCN 450330
Practice locations
Addresses where Ivan E. Mok is enrolled with Medicare (CMS data updated 2026-10-02).
- 17500 W Grand Pkwy SSugar Land, TX 77479 (281) 725‑5026
- 17500 W Grand Pkwy S, Suite 283Sugar Land, TX 77479 (281) 725‑5026
- 1801 N Loop W, Suite 30Houston, TX 77008 (713) 802‑9781
Group practices
Medicare enrollment lists Ivan E. Mok as a member of this group (CMS data updated 2026-10-02).
- Memorial Hermann Medical Group762 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Sugar Land
Clinicians with the same Medicare primary specialty in Sugar Land, TX — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639494743 |
| 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