Quick answers
- Does Naeem A. Khan accept Medicare assignment?
- Yes. Medicare's clinician data says Naeem A. Khan 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 Naeem A. Khan see?
- In 2024, CMS data shows 825 Original Medicare patients and 3,969 services for Naeem A. Khan. This counts Original Medicare only and measures volume, not quality.
- What is Naeem A. Khan's NPI number?
- 1942229810. 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 Naeem A. Khan, 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 | 825 |
|---|---|
| Services billed to Medicare | 3,969 |
| Different services or procedures | 48 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)561 services
- Injection, regadenoson, 0.1 mg (J2785)480 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)445 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)440 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)382 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%
- Arthritis49%
- Ischemic heart disease49%
- Heart failure47%
- Diabetes39%
Hospitals where Naeem A. Khan works
Medicare's Facility Affiliation Data lists Naeem A. Khan 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.
- Good Samaritan Regional Health CenterMount Vernon, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140046
- Sarah Bush Lincoln Health CenterMattoon, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140189
- SSM Health Saint Louis University HospitalSaint Louis, MO · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 260105
- SSM Health St Mary's Hospital -CentraliaCentralia, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140034
Practice locations
Addresses where Naeem A. Khan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1050 M L King DrCentralia, IL 62801 (618) 532‑8574
- 400 N Pleasant AveCentralia, IL 62801 (618) 436‑8000
Group practices
Medicare enrollment lists Naeem A. Khan as a member of this group (CMS data updated October 2, 2026).
- St Marys Hospital Centralia Illinois114 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Illinois →
Other cardiologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in St Marys Hospital Centralia Illinois
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1973 (53 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942229810 |
| 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