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

MARK L JANZEN, MD

VASCULAR SURGERY

Graduated: 2001

Offers telehealth

NPI: 1932329265

Practice Locations (2)

ENLOE MEDICAL CENTER

1026 MANGROVE AVE, SUITE 10

CHICO, CA 959263556

5303327144

ENLOE MEDICAL CENTER

1600 ESPLANADE, SUITE C

CHICO, CA 959263369

5303324470

Source: CMS National Downloadable File, September 2026.

MARK JANZEN, MD | HealthCareAtlasUSA