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

Charles O'Brien, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1700830478

Charles O'Brien, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Muskegon, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006
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

1212 E Sherman Blvd
Muskegon, MI 49444-1879
Phone: (231) 727-5211
Fax: (231) 727-4571
Show map & directions

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

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 4301033444 (MI)

Record details

NPI number1700830478
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 19, 2006
Last updated in NPPESAugust 16, 2012
Mailing addressPo Box 1847, Muskegon, MI 49443-1847

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