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

Peter S Armstrong MD PLLC

Organization Radiation Oncology Physician · NPI 1659440113

Peter S Armstrong MD PLLC is a Radiation Oncology Physician in Petoskey, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

416 Connable Ave
Petoskey, MI 49770-2212
Phone: (231) 487-4252
Fax: (231) 487-7840
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 4301063027 (MI)

Record details

NPI number1659440113
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Peter Armstrong — President · (231) 487-4252
NPI enumeratedNovember 7, 2006
Last updated in NPPESApril 20, 2008
Mailing address416 Connable Ave, Petoskey, MI 49770-2212

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