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

JOHN KOWALCZYK, DO

UROLOGY

Medical school: CHICAGO COLLEGE OF OSTEOPATHY

Graduated: 1985

NPI: 1548254089

Practice Locations (3)

SIGNATURE MEDICAL CLINICS INC

1127 WILSHIRE BLVD, SUITE 1618

LOS ANGELES, CA 900174007

2139771176

SUPERCLINIC PROFESSIONALS MEDICAL CORP A CALIFORNIA CORPORATION

12134 VICTORY BLVD, SUITE C

NORTH HOLLYWOOD, CA 916063205

8187628702

ADHERENCE MEDICAL GROUP A PROFESSIONAL MEDICAL CORPORATION

1106 N LA CIENEGA BLVD, SUITE 203

WEST HOLLYWOOD, CA 900692493

3106598500

Source: CMS National Downloadable File, September 2026.