Quick answers
- Which hospitals does Mahmood O. Dweik work at?
- Medicare's official clinician data lists Mahmood O. Dweik at 1 hospital: HCA Houston Healthcare Clear Lake. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mahmood O. Dweik see patients?
- Medicare's clinician data lists 3 practice locations, including Webster, TX. Call before your visit to confirm the address.
- What is Mahmood O. Dweik's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Internal Medicine and Sleep Medicine.
- Does Mahmood O. Dweik accept Medicare assignment?
- Yes. Medicare's clinician data says Mahmood O. Dweik 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.
- Does Mahmood O. Dweik offer telehealth?
- Medicare's clinician data says Mahmood O. Dweik offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mahmood O. Dweik?
- (281) 724-1860, as listed in official Medicare / NPI Registry data.
- What is Mahmood O. Dweik's NPI number?
- 1245228741. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mahmood O. Dweik works
Medicare's Facility Affiliation Data lists Mahmood O. Dweik 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 Clear LakeWebster, TX · Acute Care Hospital · CCN 450617
Practice locations
Addresses where Mahmood O. Dweik is enrolled with Medicare (CMS data updated 2026-10-02).
- 500 N Kobayashi, Suite AWebster, TX 77598 (281) 724‑1860
- 500 W Medical Ctr Blvd, HCA Houston Healthcare Clear LakeWebster, TX 77598 (281) 332‑2511
- 600 N Kobayashi, Suite 208Webster, TX 77598 (281) 724‑8180
Group practices
Medicare enrollment lists Mahmood O. Dweik as a member of these groups (CMS data updated 2026-10-02).
- CLS Health PLLC180 clinicians in the group
- Clear Lake Hospitalists PA27 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
- Internal Medicinealso
- Sleep Medicinealso
Other pulmonologists in Webster
Clinicians with the same Medicare primary specialty in Webster, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245228741 |
| 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