Quick answers
- Which hospitals does Aaron D. Fischer work at?
- Medicare's official clinician data lists Aaron D. Fischer at 3 hospitals: Houston Methodist Cypress Hospital, Houston Methodist Hospital and Houston Methodist Sugar Land Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aaron D. Fischer see patients?
- Medicare's clinician data lists 5 practice locations, including Sugar Land, TX and Houston, TX. Call before your visit to confirm the address.
- What is Aaron D. Fischer's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Aaron D. Fischer accept Medicare assignment?
- Yes. Medicare's clinician data says Aaron D. Fischer 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 Aaron D. Fischer?
- (281) 690-4678, as listed in official Medicare / NPI Registry data.
- What is Aaron D. Fischer's NPI number?
- 1881259299. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Aaron D. Fischer works
Medicare's Facility Affiliation Data lists Aaron D. Fischer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Houston Methodist Cypress HospitalCypress, TX · Acute Care Hospital · CCN 670342
- Houston Methodist HospitalHouston, TX · Acute Care Hospital · CCN 450358
- Houston Methodist Sugar Land HospitalSugar Land, TX · Acute Care Hospital · CCN 450820
Practice locations
Addresses where Aaron D. Fischer is enrolled with Medicare (CMS data updated 2026-10-02).
- 16811 Southwest Fwy, Suite 200Sugar Land, TX 77479 (281) 690‑4678
- 16811 Southwest Fwy, Suite 300Sugar Land, TX 77479 (281) 276‑0836
- 6445 Main St, Suite 2500Houston, TX 77030 (713) 441‑3150
- 6565 Fannin StHouston, TX 77030
- 6565 Fannin St, Suite 520Houston, TX 77030
Group practices
Medicare enrollment lists Aaron D. Fischer as a member of these groups (CMS data updated 2026-10-02).
- TMH Physician Associates PLLC1,690 clinicians in the group
- Houston Methodist Specialty Physicians1,528 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Sugar Land
Clinicians with the same Medicare primary specialty in Sugar Land, 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) | 1881259299 |
| 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