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 S WEISSIG, MD

PULMONARY DISEASE

Medical school: DUKE UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1980

Offers telehealth

NPI: 1649266032

Practice Locations (5)

PROVIDENCE MEDICAL FOUNDATION

5630 E SANTA ANA CANYON RD

ANAHEIM, CA 928073122

7146022400

PROVIDENCE MEDICAL FOUNDATION

8078 E SANTA ANA CANYON RD

ANAHEIM, CA 928081108

7149742900

PROVIDENCE MEDICAL FOUNDATION

1514 VALLEY VISTA DR

DIAMOND BAR, CA 917653929

9098601144

PROVIDENCE MEDICAL FOUNDATION

100 E VALENCIA MESA DR, SUITE 105

FULLERTON, CA 928353816

7148713006

PROVIDENCE MEDICAL FOUNDATION

1950 SUNNY CREST DR, SUITE 2900

FULLERTON, CA 928353641

7149925350

Source: CMS National Downloadable File, September 2026.

MARK WEISSIG, MD | HealthCareAtlasUSA