Liana K. Billings, MD

Medicare activity in 2024

Official CMS public-use data for Liana K. Billings, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)122 services
2. Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)90 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)52 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)30 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%
• Diabetes75%
• Chronic kidney disease53%
• Arthritis49%
• Ischemic heart disease46%

Hospitals where Liana K. Billings works

Medicare's Facility Affiliation Data lists Liana K. Billings 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.

• Northshore University Healthsystem - Evanston HospitalEvanston, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140010
• Swedish HospitalChicago, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140114

Practice locations

Addresses where Liana K. Billings is enrolled with Medicare (CMS data updated October 2, 2026).

• 2650 Ridge AveEvanston, IL 60201
• 4901 Searle Pkwy, Suite 150Skokie, IL 60077
• 9977 Woods DrSkokie, IL 60077
• 9977 Woods Dr, Fl 3Skokie, IL 60077 (847) 663‑8370
• 9977 Woods Dr 2nd FloorSkokie, IL 60077 (847) 663‑8370

Group practices

Medicare enrollment lists Liana K. Billings as a member of this group (CMS data updated October 2, 2026).

• Endeavor Health Medical Group3,350 clinicians in the group

Specialties

• Endocrinologyprimary
• Internal Medicinealso

Find other Endocrinology doctors in Illinois →

Other endocrinologists in Evanston

Clinicians with the same Medicare primary specialty in Evanston, IL — not a recommendation.

• Karolina W. Machnica, DO
• Jayshree Dhali, MD
• Joseph T. Bass, MD
• Annie M. Skariah, MD
• Lisa P. Purdy, MD
• Sara Chowdhury, MD
• Joseph M. Shulan, DO
• Scott R. Goodwin, MD

All endocrinologists in Evanston →

Other clinicians in Endeavor Health Medical Group

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

• Arkad Yousif, DO
• Preston Baker
• Susan Mangano
• John E. Pantano, MD
• Jessica Folk, MD
• Dori B. Becker, MD

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