DR. RONALD W. SCHAEFER (M.D.) – Internal Medicine Physician, NPI 1366644502

DR. RONALD W. SCHAEFER (M.D.) is a healthcare provider. based in Sandwich, Illinois. specializing in Internal Medicine Physician. They hold the professional credentials M.D.. The NPI Number for DR. RONALD W. SCHAEFER (M.D.) is 1366644502

Main info

Male
Sole Proprietor
Name
DR. RONALD W. SCHAEFER (M.D.)
NPI
1366644502
Phone
(773) 343-2164
Address
1306 E ARNOLD ST
Enumeration Date
1 June 2007
Last Update Date
8 July 2007
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience43
Completeness75
Years active:19State licenses:0Digital endpointsOther names

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Provider Addresses for DR. RONALD W. SCHAEFER (M.D.)

  • 1306, East Arnold Street, Sandhurst, Sandwich, DeKalb County, Illinois, 60548, United States

    SANDWICH, IL 605481283

    Phone: (773) 343-2164

    Fax: (815) 786-2067

    Type: Mailing

  • East 2603rd Road, Sheridan, LaSalle County, Illinois, 60551, United States

    SHERIDAN, IL 605519502

    Phone: (773) 343-2164

    Fax: (815) 786-2067

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

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Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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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 60548)

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Reviews

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Frequently asked questions

What is the 10-digit NPI for DR. RONALD W. SCHAEFER (M.D.)?
DR. RONALD W. SCHAEFER (M.D.) — NPI 1366644502 — is the standard way to identify this listing.
Does the file indicate DR. RONALD W. SCHAEFER (M.D.) is practicing under active NPI?
Directory data currently reports DR. RONALD W. SCHAEFER (M.D.) as active.
What is DR. RONALD W. SCHAEFER (M.D.) best known for clinically?
Directory data describes DR. RONALD W. SCHAEFER (M.D.) with Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What area does DR. RONALD W. SCHAEFER (M.D.) serve?
DR. RONALD W. SCHAEFER (M.D.)'s listing highlights Sandwich, Illinois; more addresses can appear in NPPES.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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