Mary A. Lillig, DO

Medicare activity in 2024

Official CMS public-use data for Mary A. Lillig, 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)2,115 services
2. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)431 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)236 services
4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)205 services
5. Hospital discharge day management, more than 30 minutes (99239)154 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%
• Arthritis65%
• Depression56%
• Anxiety51%
• Diabetes49%

Hospitals where Mary A. Lillig works

Medicare's Facility Affiliation Data lists Mary A. Lillig 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.

• University of Kansas Health System Olathe HospitalOlathe, KS · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 170049

Practice locations

Addresses where Mary A. Lillig is enrolled with Medicare (CMS data updated October 2, 2026).

• 101 W 151st StOlathe, KS 66061 (913) 791‑0020
• 10600 E 13th St NWichita, KS 67206 (316) 337‑5400
• 11325 College BlvdOverland Park, KS 66210 (913) 372‑7811
• 17500 W 119th StOlathe, KS 66061 (913) 213‑1686

Group practices

Medicare enrollment lists Mary A. Lillig as a member of these groups (CMS data updated October 2, 2026).

• Kansas Post Acute Medical Services 1 PA58 clinicians in the group
• CS Pacs 3 Midwest LLC36 clinicians in the group
• Inpatient Consultants of Kansas PA15 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Kansas →

Other internal medicine doctors in Olathe

Clinicians with the same Medicare primary specialty in Olathe, KS — not a recommendation.

• Faddy I. Khamis, MD
• Desiree S. Gleason, DO
• Jessica N. Gillespie, MD
• Debra K. Altenhofen, MD
• Ira W. Marsh, MD
• Aaron J. Blanck, MD
• Kelsey Warkentine, MD
• Julie Nguyen, MD

All internal medicine doctors in Olathe →

Other clinicians in Kansas Post Acute Medical Services 1 PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Eileen Murtha
• Chika E. Okafor
• Leanna L. Atterbury, PA
• Robyn R. Huckaby
• Sospeter O. Otieno
• Kathy M. Kunze

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians