Quick answers
- Which hospitals does Tom H. Sun work at?
- Medicare's official clinician data lists Tom H. Sun at 1 hospital: HCA Houston Healthcare Tomball. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tom H. Sun see patients?
- Medicare's clinician data lists 1 practice location in Tomball, TX. Call before your visit to confirm the address.
- What is Tom H. Sun's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Tom H. Sun accept Medicare assignment?
- Yes. Medicare's clinician data says Tom H. Sun 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 Tom H. Sun?
- (281) 351-7483, as listed in official Medicare / NPI Registry data.
- What is Tom H. Sun's NPI number?
- 1306803283. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tom H. Sun works
Medicare's Facility Affiliation Data lists Tom H. Sun at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- HCA Houston Healthcare TomballTomball, TX · Acute Care Hospital · CCN 450670
Practice locations
Addresses where Tom H. Sun is enrolled with Medicare (CMS data updated 2026-10-02).
- 455 School St, Suite 47Tomball, TX 77375 (281) 351‑7483
Group practices
Medicare enrollment lists Tom H. Sun as a member of this group (CMS data updated 2026-10-02).
- Hea Clinic PA42 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Tomball
Clinicians with the same Medicare primary specialty in Tomball, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers R W Johnson Medical School (cam/new Bruns/pisc) |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306803283 |
| 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