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

Madison Messmer, DO

Individual provider Emergency Medicine Physician · NPI 1164125571

Madison Messmer, DO is an Emergency Medicine in Dayton, Ohio. Graduated from New York Medical College in 2022, 4 years ago. Works from 2 locations. Licensed in Oregon.

Years since qualifying
4
Trained at
New York Medical College
Licensed in
OR
In the registry since
2023
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

405 W Grand Ave
Dayton, OH 45405-7538
Phone: (937) 723-3248
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 342 Fairview St, Silverton, OR 97381-1917 — (503) 873-1500

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence DO228745 (OR)

Record details

NPI number1164125571
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 24, 2023
Last updated in NPPESMay 6, 2026
Certification dateMay 6, 2026
Mailing address405 W Grand Ave, Dayton, OH 45405-7538

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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