Quick answers
- Does Louis J. Manquen Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Louis J. Manquen Jr. 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 Louis J. Manquen Jr. see?
- In 2024, CMS data shows 1,629 Original Medicare patients and 3,001 services for Louis J. Manquen Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Louis J. Manquen Jr.'s NPI number?
- 1356367718. 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 Louis J. Manquen Jr., 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 | 1,629 |
|---|---|
| Services billed to Medicare | 3,001 |
| Different services or procedures | 92 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Screening mammography (77067)899 services
- Screening 3d breast mammography (77063)892 services
- Dxa bone density measurement of hip, pelvis, spine (77080)219 services
- Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)130 services
- X-ray of chest, 1 view (71045)101 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 cholesterol75%
- High blood pressure74%
- Arthritis50%
- Diabetes31%
- Osteoporosis26%
- Anxiety25%
Hospitals where Louis J. Manquen Jr. works
Medicare's Facility Affiliation Data lists Louis J. Manquen Jr. 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.
- Advocate Condell Medical CenterLibertyville, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140202
- Advocate Illinois Masonic Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140182
- Northwestern Lake Forest HospitalLake Forest, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140130
Practice locations
Addresses where Louis J. Manquen Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 1435 N Hunt Club RdGurnee, IL 60031 (847) 599‑7365
- 1775 Dempster StPark Ridge, IL 60068 (847) 723‑2210
- 695 Park AveLake Villa, IL 60046 (224) 541‑9100
- 801 S Milwaukee AveLibertyville, IL 60048 (847) 990‑5380
Group practices
Medicare enrollment lists Louis J. Manquen Jr. as a member of these groups (CMS data updated October 2, 2026).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
- Integrated Imaging Consultants LLC159 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Gurnee
Clinicians with the same Medicare primary specialty in Gurnee, IL — not a recommendation.
Other clinicians in Advocate Health and Hospitals Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| 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) | 1356367718 |
| 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