Gregory R. Andrews, MD

Medicare activity in 2024

Official CMS public-use data for Gregory R. Andrews, 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. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)731 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)80 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%
• Arthritis61%
• Ischemic heart disease50%
• Atrial fibrillation46%
• Diabetes43%

Hospitals where Gregory R. Andrews works

Medicare's Facility Affiliation Data lists Gregory R. Andrews 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.

• Blessing HospitalQuincy, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140015

Practice locations

Addresses where Gregory R. Andrews is enrolled with Medicare (CMS data updated October 2, 2026).

• 1025 Maine StQuincy, IL 62301 (217) 222‑6550

Group practices

Medicare enrollment lists Gregory R. Andrews as a member of this group (CMS data updated October 2, 2026).

• Quincy Physicians and Surgeons Clinic, PLLC223 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Quincy

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

• John Leiner, MD
• Anandi Subbian, MD
• Louis Y. Kim, MD
• Eric Gladstone, DO
• Anshu Kataria, MD
• Pravinchandra C. Patel, MD
• Maha Mumtaz, MD
• Alvin Joseph G. Dandan, MD

All internal medicine doctors in Quincy →

Other clinicians in Quincy Physicians and Surgeons Clinic, PLLC

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

• Tiffany L. Greiman
• Austin G. Hake, MD
• Taylor J. Moore, DO
• Osaretin B. Idusuyi, MD
• Tanya A. Royster, MD
• Hoke Han, 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