Quick answers
- Which hospitals does Doris W. Chan work at?
- Medicare's official clinician data lists Doris W. Chan at 1 hospital: Memorial Hermann Memorial City Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Doris W. Chan see patients?
- Medicare's clinician data lists 1 practice location in Houston, TX. Call before your visit to confirm the address.
- What is Doris W. Chan's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Doris W. Chan accept Medicare assignment?
- Yes. Medicare's clinician data says Doris W. Chan 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 Doris W. Chan?
- (713) 338-6565, as listed in official Medicare / NPI Registry data.
- What is Doris W. Chan's NPI number?
- 1124289053. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Doris W. Chan works
Medicare's Facility Affiliation Data lists Doris W. Chan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial Hermann Memorial City HospitalHouston, TX · Acute Care Hospital · CCN 450610
Practice locations
Addresses where Doris W. Chan is enrolled with Medicare (CMS data updated 2026-10-02).
- 921 Gessner RdHouston, TX 77024 (713) 338‑6565
Group practices
Medicare enrollment lists Doris W. Chan as a member of this group (CMS data updated 2026-10-02).
- Memorial Hermann Hospital Based Physician Group276 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Nova Southeastern College Of Osteo Medicine |
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124289053 |
| 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