Quick answers
- Does Imtiaz Ahmed accept Medicare assignment?
- Yes. Medicare's clinician data says Imtiaz Ahmed accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Imtiaz Ahmed see?
- In 2024, CMS data shows 128 Original Medicare patients and 304 services for Imtiaz Ahmed. This counts Original Medicare only and measures volume, not quality.
- What is Imtiaz Ahmed's NPI number?
- 1215108907. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Imtiaz Ahmed, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 128 |
|---|---|
| Services billed to Medicare | 304 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Critical care, first 30-74 minutes (99291)198 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)29 services
- Emergent insertion of breathing tube into windpipe using an endoscope (31500)16 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)14 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease73%
- Heart failure63%
- Atrial fibrillation58%
- Chronic kidney disease54%
Hospitals where Imtiaz Ahmed works
Medicare's Facility Affiliation Data lists Imtiaz Ahmed at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- HCA Houston Healthcare Clear LakeWebster, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450617
- HCA Houston Healthcare ConroeConroe, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · CCN 450222
- HCA Houston Healthcare WestHouston, TX · Acute Care Hospital · Medicare rating: 1 of 5 stars · CCN 450644
- Huntsville Memorial HospitalHuntsville, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450347
- Valley Regional Medical CenterBrownsville, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450662
Practice locations
Addresses where Imtiaz Ahmed is enrolled with Medicare (CMS data updated October 2, 2026).
- 12141 Richmond AveHouston, TX 77082 (281) 558‑3444
- 4000 Spencer HwyPasadena, TX 77504 (713) 359‑2000
- 500 W Medical Ctr BlvdWebster, TX 77598 (281) 332‑2511
- 504 Medical Ctr BlvdConroe, TX 77304 (936) 539‑1111
- 710 Cypress Creek PkwyHouston, TX 77090 (281) 440‑1000
Group practices
Medicare enrollment lists Imtiaz Ahmed as a member of these groups (CMS data updated October 2, 2026).
- Lone Star Intensivists at Gulf Coast, PLLC50 clinicians in the group
- Intensivist Medicine Services of TX, PLLC35 clinicians in the group
Specialties
- Internal Medicineprimary
- Pulmonary Diseasealso
- Sleep Medicinealso
Other internal medicine doctors in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Other clinicians in Lone Star Intensivists at Gulf Coast, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215108907 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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