RONALD M LARSEN (MD) – Psychiatry Physician, NPI 1306870944

RONALD M LARSEN (MD) is a healthcare provider. based in Mason city, Iowa. specializing in Psychiatry Physician. They hold the professional credentials MD. They hold a License No. 20107 (IA). The NPI Number for RONALD M LARSEN (MD) is 1306870944

Main info

Male
Name
RONALD M LARSEN (MD)
NPI
1306870944
Phone
(641) 422-7492
Address
1000 4TH ST SW
Enumeration Date
10 July 2006
Last Update Date
8 July 2007
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for RONALD M LARSEN (MD)

  • MercyOne North Iowa Medical Center, 1000, 4th Street Southwest, Mason City, Cerro Gordo County, Iowa, 50401, United States

    MMCNI ADMINISTRATION

    MASON CITY, IA 504012800

    Phone: (641) 422-7492

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

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Medicare Enrollment & Revalidation

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Medicare Utilization (FFS)

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No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 50401)

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Frequently asked questions

What is RONALD M LARSEN (MD)'s NPI number?
RONALD M LARSEN (MD)'s NPI is 1306870944 — the number used across U.S. healthcare to identify this provider.
Is RONALD M LARSEN (MD) still an active registrant?
RONALD M LARSEN (MD) carries an active NPI according to the public dataset.
What clinical focus is listed for RONALD M LARSEN (MD)?
At a glance, RONALD M LARSEN (MD) is tied to Psychiatry Physician. Clinical services aligned with this taxonomy classification.
Is RONALD M LARSEN (MD) associated with Mason City?
Public fields place RONALD M LARSEN (MD) around Mason City, Iowa. Always confirm the exact site before visiting.
Can I trust this NPI listing for RONALD M LARSEN (MD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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