Quick answers
- Does Aja A. Lystila accept Medicare assignment?
- Yes. Medicare's clinician data says Aja A. Lystila 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 Aja A. Lystila see?
- In 2024, CMS data shows 98 Original Medicare patients and 12,019 services for Aja A. Lystila. This counts Original Medicare only and measures volume, not quality.
- What is Aja A. Lystila's NPI number?
- 1215159744. 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 Aja A. Lystila, 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 | 98 |
|---|---|
| Services billed to Medicare | 12,019 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, denosumab, 1 mg (J0897)1,020 services
- Blood test, clotting time (85610)157 services
- Injection, zoledronic acid, 1 mg (J3489)55 services
- Infusion, normal saline solution, 250 cc (J7050)30 services
- Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)13 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%
- Anxiety43%
- Osteoporosis38%
- Diabetes37%
Hospitals where Aja A. Lystila works
Medicare's Facility Affiliation Data lists Aja A. Lystila 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.
- Carle Foundation HospitalUrbana, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140091
- Carle Hoopeston Regional Health CenterHoopeston, IL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 141316
- Sarah Bush Lincoln Health CenterMattoon, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140189
- St Anthonys Memorial HospitalEffingham, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140032
Practice locations
Addresses where Aja A. Lystila is enrolled with Medicare (CMS data updated October 2, 2026).
- 200 Lerna Rd SMattoon, IL 61938 (217) 258‑5900
- 2512 Hurst Dr, Suite 130Mattoon, IL 61938 (217) 258‑5900
- 611 W Park StUrbana, IL 61801 (888) 712‑2753
- 701 E Orange StHoopeston, IL 60942 (217) 283‑5531
Group practices
Medicare enrollment lists Aja A. Lystila as a member of these groups (CMS data updated October 2, 2026).
- Carle Health Care Incorporated1,666 clinicians in the group
- Hoopeston Community Memorial Hospital144 clinicians in the group
Specialties
- Family Practiceprimary
- Emergency Medicinealso
Other family doctors in Mattoon
Clinicians with the same Medicare primary specialty in Mattoon, IL — not a recommendation.
Other clinicians in Carle Health Care Incorporated
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Southern Illinois University School Of Medicine |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215159744 |
| 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