Dr. Matthew M. Zahn, MD

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Specializes in: Pediatric Infectious Disease

St. Louis University School of Medicine

1719 W 17th Street
Santa Ana, CA 92706

(714) 834-8180

Dr. Matthew M. Zahn, MD is a pediatric infectious disease specialist in Orange, CA specializing in pediatric infectious disease. He graduated from St. Louis University School of Medicine. Dr. Matthew M. Zahn, MD is affiliated with Children's Hospital of Orange County.

Office Locations

Children's Hospital of Orange County

1201 W. La Veta Avenue
Orange, CA 92868

(714) 509-8403

(714) 509-4014

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1719 W 17th Street
Santa Ana, CA 92706

(714) 834-8180

(714) 834-8196

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In The News (see more mentions in the news)

“Dr. Matthew Zahn, an Orange County, California, public health official at OC Health Care Agency who serves as a liaison to the CDC s advisory panel, said: "We re all awaiting clarity."”—"Conflicting COVID guidance sparks insurer, doctor confusion", Honolulu Star-Advertiser, June 2025

“Orange County so far has seen 26 cases of monkeypox, all in men ages 18 to 40, OC Deputy Health Officer Dr. Matthew Zahn said Thursday.”—"OC monkeypox cases rising fast, though still fewer than neighboring LA", The Orange County Register, August 2022

“"If you do not have access to an antigen test, then we feel pretty comfortable that 10 days after your symptoms start, you are no longer infectious," Orange County Deputy Health Officer Dr. Matthew...”—"Californians are staying infected with the coronavirus for a long time. Here's why", Yahoo News, August 2022

Education & Training

Dr. Matthew M. Zahn, MD graduated from St. Louis University School of Medicine. He completed residency at Cardinal Glennon Children's Medical Center. He is certified by the Board Certification: Pediatrics, Pediatric Infectious Disease and has a state license in California.

Medical School: St. Louis University School of Medicine

Residency: Cardinal Glennon Children's Medical Center

Board Certification: Board Certification: Pediatrics, Pediatric Infectious Disease

Licensed In: California

Affiliations & Hospitals

Dr. Matthew M. Zahn, MD is associated with these hospitals and organizations:

Children's Hospital of Orange County

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Matthew M. Zahn, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
B. Braun Medical Inc.	$15 Vascular Access $15

**Types of Payments**
Food and Beverage	$15

Biography

Dr. Matthew Zahn is a physician who specializes in pediatric infectious disease. He is professionally affiliated with Children's Hospital of Orange County. Dr. Zahn is a graduate of St. Louis University School of Medicine. For his professional training, Dr. Zahn completed a residency program at Cardinal Glennon Children's Medical Center.