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 / CA

TYLER RONNFELDT, MD

EMERGENCY MEDICINE

Graduated: 2017

NPI: 1083134878

Practice Locations (7)

USC CARE MEDICAL GROUP INC

1500 SAN PABLO ST

LOS ANGELES, CA 900335313

3234428444

USC CARE MEDICAL GROUP INC

1516 SAN PABLO ST

LOS ANGELES, CA 900335313

8008722273

USC CARE MEDICAL GROUP INC

1516 SAN PABLO ST, SUITE L3100

LOS ANGELES, CA 900335313

8008722273

USC CARE MEDICAL GROUP INC

1520 SAN PABLO ST

LOS ANGELES, CA 900335310

8008722273

USC CARE MEDICAL GROUP INC

1520 SAN PABLO ST, FL 4

LOS ANGELES, CA 900335310

8008722273

USC CARE MEDICAL GROUP INC

1520 SAN PABLO ST 1ST FLOOR N

LOS ANGELES, CA 900335310

8008722273

METHODIST FREMONT HEALTH

450 E 23RD ST

FREMONT, NE 680252387

4027211610

Source: CMS National Downloadable File, September 2026.

TYLER RONNFELDT, MD | HealthCareAtlasUSA