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

Lonson L Barr, DO, PC

Organization Surgery Physician · NPI 1366636755

Lonson L Barr, DO, PC is a Surgery Physician in Grand Rapids, Michigan. Licensed in Michigan. Registered with an NPI since 2007.

Licensed in
MI
In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1945 Boston St SE Ste 303
Grand Rapids, MI 49506-4100
Phone: (616) 246-6262
Fax: (616) 246-8737
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 5101005711 (MI)

Record details

NPI number1366636755
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Lonson Barr — President & Physician · (616) 246-6262
NPI enumeratedAugust 29, 2007
Last updated in NPPESAugust 29, 2007
Mailing address1945 Boston St Se, Ste 303, Grand Rapids, MI 49506-4100

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