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

Mary Catherine Ernster, MD

Individual provider Pediatrics Physician · NPI 1407434517

Mary Catherine Ernster, MD is a Pediatric Medicine in Madison, Wisconsin. Graduated from University of Arkansas College of Medicine in 2021, 5 years ago. Licensed in Wisconsin.

Years since qualifying
5
Trained at
University of Arkansas College of Medicine
Licensed in
WI
In the registry since
2021
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

752 N High Point Rd
Madison, WI 53717-2236
Phone: (608) 824-4997
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 85282-20 (WI)

Record details

NPI number1407434517
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2021
Last updated in NPPESDecember 18, 2025
Certification dateDecember 18, 2025

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF ARKANSAS COLLEGE OF MEDICINE
Graduated 2021 (5 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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