HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / IL

RYAN J TREMB, DO

FAMILY PRACTICE

Graduated: 2005

NPI: 1568638989

Practice Locations (6)

OTTAWA REGIONAL HOSPITAL AND HEALTHCARE CENTER

1100 E NORRIS DR

OTTAWA, IL 613501604

8154333100

OTTAWA REGIONAL HOSPITAL AND HEALTHCARE CENTER

1614 E NORRIS DR

OTTAWA, IL 613503681

8154331010

OSF MULTI-SPECIALTY GROUP

1614 E NORRIS DR, OBGYN AND ANTI COAG

OTTAWA, IL 613503681

8154310435

OTTAWA REGIONAL HOSPITAL AND HEALTHCARE CENTER

1614 E NORRIS DR, OSF HEALTHCARE MEDICAL GROUP OTTAWA

OTTAWA, IL 613503681

8154331010

OSF MULTI-SPECIALTY GROUP

124 SW ADAMS ST

PEORIA, IL 616021308

OSF MULTI-SPECIALTY GROUP

8600 STATE ROUTE 91, SUITE 130

PEORIA, IL 616157829

3096835050

Source: CMS National Downloadable File, September 2026.