Clinicians affiliated with Mercy Harvard Hospital

Critical Access Hospitals · Voluntary non-profit - Private · 901 S Grant Street, Harvard, IL 60033 · Chicago-Naperville-Elgin, IL-IN · CCN 141335

Affiliation snapshotNovember 2, 2026CMS Doctors and Clinicians Facility Affiliation file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

64 clinicians affiliated with Mercy Harvard Hospital are in the 2024 Medicare Part B data (68 listed in the affiliation file).

Each clinician's exact figures are in their Physician Report, from their page. View sample report · Already purchased? Open your report (earlier Local report and passes)

Affiliated clinicians by specialty, 2024

All specialties · Emergency Medicine (11) · Internal Medicine (8) · Family Practice (5) · Nurse Practitioner (5) · Cardiology (4) · Diagnostic Radiology (4) · Orthopedic Surgery (3) · Pathology (3) · Physician Assistant (3) · Gastroenterology (2) · General Surgery (2) · Hospitalist (2) · Ophthalmology (2) · Pulmonary Disease (2) · Anesthesiology (1) · Interventional Cardiology (1) · Obstetrics & Gynecology (1) · Pain Management (1) · Podiatry (1) · Rheumatology (1) · Urology (1) · Vascular Surgery (1)

General Surgery affiliated with Mercy Harvard Hospital, 2024

Alphabetical by last name; 2.

NameCity
James J Greenberg, M.D.Lake Geneva, WI
Hadyn M Hollister, M.D.Chicago, IL

Affiliation comes from the CMS Doctors and Clinicians Facility Affiliation file, hospital rows only; name, address and type from the CMS Hospital General Information file. CMS does not publish an end-of-year archive of the affiliation file, so the current snapshot is applied to the latest data year. A clinician listed with several hospitals or groups appears on each of their pages. How hospital pages are built