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

Rosalia Mary Mahr, MD

Individual provider Emergency Medicine Physician · NPI 1871028704

Rosalia Mary Mahr, MD is an Emergency Medicine in Columbus, Ohio. Graduated from Medical College of Wisconsin in 2017, 9 years ago. Practices with Osu Emergency Medicine LLC, a 166-clinician group, works from 10 locations and accepts Medicare assignment. Licensed in Ohio and Wisconsin.

Years since qualifying
9
Trained at
Medical College of Wisconsin
Licensed in
OH, WI
In the registry since
2017
Specialties on file
3
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

410 W 10th Ave
Columbus, OH 43210-1240
Phone: (614) 293-8000
Fax: (614) 293-3124
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (9)

  • 7901 Diley Rd Ste 150, Canal Winchester, OH 43110-9613 — (614) 355-9050
  • 444 Butterfly Gardens Dr, Columbus, OH 43215-3427 — (614) 722-2000
  • 6435 E Broad St, Columbus, OH 43213-1507 — (614) 355-8100
  • 700 Childrens Dr, Columbus, OH 43205-2639 — (614) 722-2000
  • 7853 Pacer Dr, Delaware, OH 43015-7571 — (614) 355-7900
  • 7450 Hospital Dr Ste 100, Dublin, OH 43016-8364 — (614) 355-7000
  • 4363 All Seasons Dr Ste 100, Hilliard, OH 43026-2050 — (614) 355-5900
  • 100 Colemans Xing, Marysville, OH 43040-7080 — (937) 578-7600
  • 433 N Cleveland Ave, Westerville, OH 43082-8095 — (614) 355-8300

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 35.140055 (OH)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 70619-20 (WI)
Pediatric Emergency Medicine (Pediatrics) Physician Taxonomy 2080P0204X · Licence 35.140055 (OH)

Record details

NPI number1871028704
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 28, 2017
Last updated in NPPESApril 2, 2024
Certification dateApril 2, 2024

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2017 (9 years in practice)
Group practice Osu Emergency Medicine Llc — 166 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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