Quick answers
- Which hospitals does David Viola work at?
- Medicare's official clinician data lists David Viola at 1 hospital: Houston Methodist Baytown Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David Viola see patients?
- Medicare's clinician data lists 3 practice locations, including Baytown, TX and Houston, TX. Call before your visit to confirm the address.
- What is David Viola's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does David Viola accept Medicare assignment?
- Yes. Medicare's clinician data says David Viola 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 David Viola?
- (281) 420-4350, as listed in official Medicare / NPI Registry data.
- What is David Viola's NPI number?
- 1972142859. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David Viola works
Medicare's Facility Affiliation Data lists David Viola at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Houston Methodist Baytown HospitalBaytown, TX · Acute Care Hospital · CCN 450424
Practice locations
Addresses where David Viola is enrolled with Medicare (CMS data updated 2026-10-02).
- 4401 Garth RdBaytown, TX 77521 (281) 420‑4350
- 6445 Main St, Suite 2500Houston, TX 77030 (713) 441‑3150
- 7575 San Felipe St, Suite 155Houston, TX 77063 (713) 266‑9955
Group practices
Medicare enrollment lists David Viola 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
- Nurse Practitionerprimary
Other nurse practitioners in Baytown
Clinicians with the same Medicare primary specialty in Baytown, TX — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972142859 |
| 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