Quick answers
- Which hospitals does Long Cao work at?
- Medicare's official clinician data lists Long Cao at 3 hospitals: Memorial Hermann Katy Hospital, Memorial Hermann Memorial City Hospital and Memorial Hermann Sugar Land Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Long Cao see patients?
- Medicare's clinician data lists 5 practice locations, including Houston, TX. Call before your visit to confirm the address.
- What is Long Cao's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Long Cao accept Medicare assignment?
- Yes. Medicare's clinician data says Long Cao 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.
- Does Long Cao offer telehealth?
- Medicare's clinician data says Long Cao offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Long Cao?
- (713) 465-3535, as listed in official Medicare / NPI Registry data.
- What is Long Cao's NPI number?
- 1124281118. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Long Cao works
Medicare's Facility Affiliation Data lists Long Cao at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial Hermann Katy HospitalKaty, TX · Acute Care Hospital · CCN 450847
- Memorial Hermann Memorial City HospitalHouston, TX · Acute Care Hospital · CCN 450610
- Memorial Hermann Sugar Land HospitalSugar Land, TX · Acute Care Hospital · CCN 450848
Practice locations
Addresses where Long Cao is enrolled with Medicare (CMS data updated 2026-10-02).
- 1140 Business Ctr Dr, Suite 500Houston, TX 77043 (713) 465‑3535
- 915 Gessner Rd, Suite 100Houston, TX 77024 (713) 242‑2222
- 921 Gessner RdHouston, TX 77024
- 925 Gessner Rd, Suite 400Houston, TX 77024 (713) 467‑0605
- 925 Gessner Rd, Suite 630Houston, TX 77024 (713) 465‑3535
Group practices
Medicare enrollment lists Long Cao as a member of this group (CMS data updated 2026-10-02).
- Memorial Hermann Medical Group762 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Texas →
Other cardiologists in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1124281118 |
| 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