Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Matthew M Zahn, MD

Individual provider Pediatric Infectious Diseases Physician · NPI 1871577833

Dr. Matthew M Zahn, MD is a Pediatric Medicine in Santa Ana, California. Graduated from Saint Louis University School of Medicine in 1996, 30 years ago. Practices with Childrens Hospital of Orange County, a 71-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
30
Trained at
Saint Louis University School of Medicine
Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1719 W 17th St
Santa Ana, CA 92706-2316
Phone: (714) 834-8180
Fax: (714) 834-8196
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Infectious Diseases Physician (primary) Taxonomy 2080P0208X · Licence C55094 (CA)

Record details

NPI number1871577833
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 2, 2005
Last updated in NPPESApril 9, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Childrens Hospital Of Orange County — 71 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Santa Ana