Quick answers
- Which hospitals does Esteban Gnass work at?
- Medicare's official clinician data lists Esteban Gnass at 4 hospitals: HCA Houston Healthcare Conroe, HCA Houston Healthcare Kingwood, HCA Houston Healthcare Tomball and Memorial Hermann - Texas Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Esteban Gnass see patients?
- Medicare's clinician data lists 2 practice locations, including Kingwood, TX and Conroe, TX. Call before your visit to confirm the address.
- What is Esteban Gnass's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Esteban Gnass accept Medicare assignment?
- Yes. Medicare's clinician data says Esteban Gnass 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 Esteban Gnass?
- (281) 348-8279, as listed in official Medicare / NPI Registry data.
- What is Esteban Gnass's NPI number?
- 1427469352. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Esteban Gnass works
Medicare's Facility Affiliation Data lists Esteban Gnass 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 ConroeConroe, TX · Acute Care Hospital · CCN 450222
- HCA Houston Healthcare KingwoodKingwood, TX · Acute Care Hospital · CCN 450775
- HCA Houston Healthcare TomballTomball, TX · Acute Care Hospital · CCN 450670
- Memorial Hermann - Texas Medical CenterHouston, TX · Acute Care Hospital · CCN 450068
Practice locations
Addresses where Esteban Gnass is enrolled with Medicare (CMS data updated 2026-10-02).
- 22999 Hwy 59 NKingwood, TX 77339 (281) 348‑8279
- 504 Medical Ctr BlvdConroe, TX 77304 (936) 539‑7737
Group practices
Medicare enrollment lists Esteban Gnass as a member of this group (CMS data updated 2026-10-02).
- Gulf Coast Pathology Program PLLC36 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427469352 |
| 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