Quick answers
- Does Wahid Kassar accept Medicare assignment?
- Yes. Medicare's clinician data says Wahid Kassar 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 Wahid Kassar see?
- In 2024, CMS data shows 770 Original Medicare patients and 3,395 services for Wahid Kassar. This counts Original Medicare only and measures volume, not quality.
- What is Wahid Kassar's NPI number?
- 1144203647. 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 Wahid Kassar, 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 | 770 |
|---|---|
| Services billed to Medicare | 3,395 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)784 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)690 services
- Hemoglobin a1c level (83036)443 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)409 services
- Blood glucose (sugar) test performed by hand-held instrument (82962)376 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%
- Diabetes75%
- Arthritis56%
- Chronic kidney disease48%
- Ischemic heart disease47%
Hospitals where Wahid Kassar works
Medicare's Facility Affiliation Data lists Wahid Kassar 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.
- AMITA Health Resurrection Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140117
- Community HospitalMunster, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150125
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
- Saint Francis Hospital-EvanstonEvanston, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140080
- Silver Cross Hospital and Medical CentersNew Lenox, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140213
Practice locations
Addresses where Wahid Kassar is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1828 165th St, Suite AHammond, IN 46320 (219) 763‑8112
- 2490 Central AveLake Station, IN 46405 (219) 763‑8112
- 310 W 112th AveCrown Point, IN 46307 (219) 763‑8112
- 6050 Sterling Creek RdPortage, IN 46368
- 6091 BroadwayMerrillville, IN 46410 (219) 763‑8112
Group practices
Medicare enrollment lists Wahid Kassar as a member of these groups (CMS data updated October 2, 2026).
- Northshore Health Centers Inc33 clinicians in the group
- Wahid Kassar MD Ltd2 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in Indiana
Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.
Other clinicians in Northshore Health Centers Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144203647 |
| 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