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

John M Longo MD PC

Organization Radiation Oncology Physician · NPI 1205011392

John M Longo MD PC is a Radiation Oncology Physician in Carroll, Iowa. Licensed in Iowa. Registered with an NPI since 2008.

Licensed in
IA
In the registry since
2008
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

311 S Clark St
Carroll, IA 51401-3038
Phone: (712) 792-8265
Fax: (712) 792-8264
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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 30135 (IA)

Record details

NPI number1205011392
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Lori Stuart — Billing Manager · (712) 243-7030
NPI enumeratedJanuary 8, 2008
Last updated in NPPESDecember 22, 2009
Mailing addressPo Box 284, Carroll, IA 51401-0284

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