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

Seamus Timothy Mangan

Individual provider Emergency Medicine Physician · NPI 1477181162

Seamus Timothy Mangan is an Emergency Medicine in Cleveland, Ohio. Graduated from Ohio University, College of Osteopathic Medicine in 2020, 6 years ago. Practices with The Metrohealth System, a 1,163-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
6
Trained at
Ohio University, College of Osteopathic Medicine
Licensed in
OH
In the registry since
2020

Practice location Address checks out

2500 Metrohealth Dr
Cleveland, OH 44109-1900
Phone: (216) 778-7800
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 34.015908 (OH)

Record details

NPI number1477181162
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 30, 2020
Last updated in NPPESMay 14, 2025
Certification dateMay 14, 2025

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOHIO UNIVERSITY, COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2020 (6 years in practice)
Group practice The Metrohealth System — 1163 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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