Quick answers
- Which hospitals does Gregory U. Opara work at?
- Medicare's official clinician data lists Gregory U. Opara at 1 hospital: Memorial Hermann Sugar Land Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory U. Opara see patients?
- Medicare's clinician data lists 1 practice location in Missouri City, TX. Call before your visit to confirm the address.
- What is Gregory U. Opara's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Gregory U. Opara accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory U. Opara 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 Gregory U. Opara?
- (713) 486-1200, as listed in official Medicare / NPI Registry data.
- What is Gregory U. Opara's NPI number?
- 1982193447. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory U. Opara works
Medicare's Facility Affiliation Data lists Gregory U. Opara 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
Practice locations
Addresses where Gregory U. Opara is enrolled with Medicare (CMS data updated 2026-10-02).
- 8810 Hwy 6, Suite 100Missouri City, TX 77459 (713) 486‑1200
Group practices
Medicare enrollment lists Gregory U. Opara as a member of this group (CMS data updated 2026-10-02).
- UT Physicians1,765 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Missouri City
Clinicians with the same Medicare primary specialty in Missouri City, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982193447 |
| 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