Quick answers
- Does Ashley S. Laleker accept Medicare assignment?
- Yes. Medicare's clinician data says Ashley S. Laleker 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 Ashley S. Laleker see?
- In 2024, CMS data shows 446 Original Medicare patients and 1,011 services for Ashley S. Laleker. This counts Original Medicare only and measures volume, not quality.
- What is Ashley S. Laleker's NPI number?
- 1417217829. 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 Ashley S. Laleker, 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 | 446 |
|---|---|
| Services billed to Medicare | 1,011 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)786 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)166 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)58 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%
- Heart failure68%
- Diabetes67%
- Chronic kidney disease64%
- Arthritis60%
Hospitals where Ashley S. Laleker works
Medicare's Facility Affiliation Data lists Ashley S. Laleker 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
- Advocate Lutheran General HospitalPark Ridge, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140223
- AMITA Health Resurrection Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140117
- Saint Francis Hospital-EvanstonEvanston, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140080
Practice locations
Addresses where Ashley S. Laleker is enrolled with Medicare (CMS data updated October 2, 2026).
- 2923 N California Ave, Suite 220Chicago, IL 60618 (888) 220‑6432
- 3501 Colonial Ave, Suite 200Roanoke, VA 24018 (877) 448‑3627
- 4001 Fair Ridge Dr, Suite 203Fairfax, VA 22033 (877) 448‑3627
Group practices
Medicare enrollment lists Ashley S. Laleker as a member of this group (CMS data updated October 2, 2026).
- Metro Infectious Disease Consultants LLC389 clinicians in the group
Specialties
- Infectious Diseaseprimary
- Internal Medicinealso
Other infectious disease doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Other clinicians in Metro Infectious Disease Consultants LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1417217829 |
| 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