Quick answers
- Does Wissam F. Derian accept Medicare assignment?
- Yes. Medicare's clinician data says Wissam F. Derian 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 Wissam F. Derian see?
- In 2024, CMS data shows 3,002 Original Medicare patients and 10,741 services for Wissam F. Derian. This counts Original Medicare only and measures volume, not quality.
- What is Wissam F. Derian's NPI number?
- 1063684066. 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 Wissam F. Derian, 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 | 3,002 |
|---|---|
| Services billed to Medicare | 10,741 |
| Different services or procedures | 86 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)1,165 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,008 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)851 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)810 services
- Injection, regadenoson, 0.1 mg (J2785)800 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%
- Arthritis55%
- Ischemic heart disease43%
- Atrial fibrillation38%
- Diabetes37%
Hospitals where Wissam F. Derian works
Medicare's Facility Affiliation Data lists Wissam F. Derian 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.
- Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260032
- Blessing HospitalQuincy, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140015
- Illini Community HospitalPittsfield, IL · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 141315
- Memorial HospitalCarthage, IL · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 141305
- Pike County Memorial HospitalLouisiana, MO · Critical Access Hospital · Emergency services: listed by Medicare · CCN 261333
Practice locations
Addresses where Wissam F. Derian is enrolled with Medicare (CMS data updated October 2, 2026).
- 1025 Maine StQuincy, IL 62301 (217) 222‑6550
- 1450 N County Rd 2050Carthage, IL 62321 (217) 357‑2173
- 216 Pittsfield RdMt Sterling, IL 62353 (217) 773‑3963
- 2305 Georgia StLouisiana, MO 63353 (573) 754‑5531
- 3301 Broadway StQuincy, IL 62301 (217) 277‑3500
Group practices
Medicare enrollment lists Wissam F. Derian as a member of these groups (CMS data updated October 2, 2026).
- Quincy Physicians and Surgeons Clinic, PLLC223 clinicians in the group
- Pike County Memorial Hospital32 clinicians in the group
Specialties
Other internal medicine doctors in Quincy
Clinicians with the same Medicare primary specialty in Quincy, IL — not a recommendation.
Other clinicians in Quincy Physicians and Surgeons Clinic, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063684066 |
| 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