Quick answers
- Does Andrew T. Lenart accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew T. Lenart 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 Andrew T. Lenart see?
- In 2024, CMS data shows 410 Original Medicare patients and 1,385 services for Andrew T. Lenart. This counts Original Medicare only and measures volume, not quality.
- What is Andrew T. Lenart's NPI number?
- 1497284673. 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 Andrew T. Lenart, 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 | 410 |
|---|---|
| Services billed to Medicare | 1,385 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)324 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)179 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)148 services
- Insertion of needle into vein for collection of blood sample (36415)137 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)114 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%
- Ischemic heart disease67%
- Atrial fibrillation50%
- Arthritis49%
- Heart failure49%
Hospitals where Andrew T. Lenart works
Medicare's Facility Affiliation Data lists Andrew T. Lenart 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 Good Samaritan HospitalDowners Grove, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140288
Practice locations
Addresses where Andrew T. Lenart is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 100 Spalding Dr, Suite 3Naperville, IL 60540 (630) 355‑8000
- 1325 N Meacham RdSchaumburg, IL 60173 (888) 385‑9669
- 1800 N Main StWheaton, IL 60187 (630) 665‑6200
- 2100 Glenwood AveJoliet, IL 60435 (815) 725‑2121
- 220 Springfield Dr, Suite 300Bloomingdale, IL 60108 (630) 469‑9200
Group practices
Medicare enrollment lists Andrew T. Lenart as a member of this group (CMS data updated October 2, 2026).
- Dupage Medical Group Ltd1,322 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Naperville
Clinicians with the same Medicare primary specialty in Naperville, IL — not a recommendation.
Other clinicians in Dupage Medical Group Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | Rush Medical College Of Rush University |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1497284673 |
| 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