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

MARENNA R COWAN, NP

NURSE PRACTITIONER

Graduated: 2018

NPI: 1063078806

Practice Locations (7)

COASTAL FAMILY MEDICINE INC

660 BAKER ST

COSTA MESA, CA 926264407

MEMORIALCARE MEDICAL FOUNDATION

722 BAKER ST

COSTA MESA, CA 926264320

7145576300

MEMORIALCARE MEDICAL FOUNDATION

9122 ADAMS AVE

HUNTINGTON BEACH, CA 926463405

7143780900

HMTS INC

6340 IRVINE BLVD, SUITE 200

IRVINE, CA 926202102

9495596500

COASTAL FAMILY MEDICINE INC

4950 BARRANCA PKWY, SUITE 103

IRVINE, CA 926044630

9495522700

MEMORIALCARE MEDICAL FOUNDATION

14150 CULVER DR, SUITE 100

IRVINE, CA 926040322

9495524584

MEMORIALCARE MEDICAL FOUNDATION

15464 GOLDENWEST ST

WESTMINSTER, CA 926836149

7148919008

Source: CMS National Downloadable File, September 2026.