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Hospitals in Lake Ronkonkoma, NY

6 hospitals are in Lake Ronkonkoma or within 10 miles of it. Rated 4 or 5 stars overall: 5; the highest rated is St Catherine of Siena Hospital.

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• St Catherine of Siena Hospital

  Acute Care Hospitals · 50 Route 25a, Smithtown · 4.5 mi away · (631) 862-3000
  Overall star rating: 5Patient survey rating: 366% would definitely recommend✓ Emergency room

• Suny/stony Brook University Hospital

  Acute Care Hospitals · Health Sciences Center Suny, Stony Brook · 6.3 mi away · (631) 444-4000
  Overall star rating: 5Patient survey rating: 370% would definitely recommend✓ Emergency room

• John T Mather Memorial Hospital of Port Jefferson

  Acute Care Hospitals · 75 North Country Road, Port Jefferson · 8.5 mi away · (631) 473-1320
  Overall star rating: 5Patient survey rating: 477% would definitely recommend✓ Emergency room

• St Charles Hospital

  Acute Care Hospitals · 200 Belle Terre Road, Port Jefferson · 8.5 mi away · (631) 474-6000
  Overall star rating: 5Patient survey rating: 477% would definitely recommend✓ Emergency room

• Long Island Community Hospital

  Acute Care Hospitals · 101 Hospital Road, Patchogue · 9.1 mi away · (631) 654-7100
  Overall star rating: 4Patient survey rating: 252% would definitely recommend✓ Emergency room

• Pilgrim Psychiatric Center

  Psychiatric · 998 Crooked Hill Road, West Brentwood · 7.3 mi away · (631) 761-3500
  Overall star rating: Not ratedPatient survey rating: Not rated

Other care in Lake Ronkonkoma

Doctors who take Medicare · Nursing homes · Dialysis centers

Nearby cities

• Ronkonkoma
• Nesconset
• Saint James
• Hauppauge
• Smithtown
• Holtsville
• Central Islip
• Terryville

Ratings describe past performance reported to CMS and can change. Confirm insurance, availability and services directly with the provider, and talk to your doctor or care team. Source: CMS Provider Data Catalog, Hospital General Information (released Jul 22, 2026).