Quick answers
- Does Waqaar M. Diwan accept Medicare assignment?
- Yes. Medicare's clinician data says Waqaar M. Diwan 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 Waqaar M. Diwan see?
- In 2024, CMS data shows 297 Original Medicare patients and 497 services for Waqaar M. Diwan. This counts Original Medicare only and measures volume, not quality.
- What is Waqaar M. Diwan's NPI number?
- 1568969533. 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 Waqaar M. Diwan, 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 | 297 |
|---|---|
| Services billed to Medicare | 497 |
| Different services or procedures | 80 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of chest, 1 view (71045)149 services
- Ct scan of abdomen and pelvis with contrast (74177)42 services
- Ct scan head or brain without contrast (70450)38 services
- Ct scan of abdomen and pelvis without contrast (74176)18 services
- X-ray of abdomen, 1 view (74018)17 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%
- Diabetes52%
- Chronic kidney disease51%
- Heart failure48%
- Arthritis47%
Hospitals where Waqaar M. Diwan works
Medicare's Facility Affiliation Data lists Waqaar M. Diwan 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.
- El Campo Memorial HospitalEl Campo, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450694
- HCA Houston Healthcare SoutheastPasadena, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450097
- Huntsville Memorial HospitalHuntsville, TX · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 450347
- Mid Coast Medical Center - BellvilleBellville, TX · Acute Care Hospital · CCN 450253
- 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 Waqaar M. Diwan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 19; the Medicare profile lists all.
- 100 E Alton Gloor BlvdBrownsville, TX 78526 (888) 264‑0330
- 101 E Ridge RdMcAllen, TX 78503 (888) 264‑0330
- 110 Memorial Hospital DrHuntsville, TX 77340 (888) 264‑0330
- 1642 W Baker Rd, Suite CBaytown, TX 77521 (832) 583‑2246
- 200 Stadium DrSeymour, TX 76380 (940) 889‑5572
Group practices
Medicare enrollment lists Waqaar M. Diwan as a member of these groups (CMS data updated October 2, 2026).
- Concord Radiology PLLC225 clinicians in the group
- Peterson Medical Associates191 clinicians in the group
- Coaxion PLLC31 clinicians in the group
- Minimally Invasive Specialists of Texas2 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Brownsville
Clinicians with the same Medicare primary specialty in Brownsville, TX — not a recommendation.
Other clinicians in Concord Radiology PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568969533 |
| 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