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DR. RONALD W. SCHAEFER M.D.
NPI 1366644502
Internal Medicine in Sheridan, IL

Active since June 01, 2007
4017 E 2603RD RD, SHERIDAN, IL 60551(773) 343-2164(815) 786-2067 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ronald W. Schaefer M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RONALD W. SCHAEFER M.D. (NPI 1366644502) is an individual internal medicine provider in Sheridan, Illinois and active in the NPI registry since June 2007.

NPPES Registry Identity

NPI1366644502
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. RONALD W. SCHAEFERCredential: M.D.
Location Address4017 E 2603RD RDSheridan, IL 60551-9502
Mailing Address1306 E Arnold StSandwich, IL 60548-1283 · (773) 343-2164 · Fax (815) 786-2067
Phone(773) 343-2164
Fax(815) 786-2067
Sole ProprietorYes
Enumeration DateJune 1, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1366644502 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4017 E 2603RD RD, Sheridan, IL 60551
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Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CHRISTINA MARIE CARR M.D.
Psychiatry & Neurology (Psychiatry)
4017 E 2603RD RD
SHERIDAN, IL 60551
Lasalle County (217) 649-0318
STANLEY CARADINE
Dentist
4017 E 2603RD RD
SHERIDAN, IL 60551
Lasalle County (815) 496-2181

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald Schaefer's NPI number?

The NPI number for Ronald Schaefer is 1366644502. It was assigned to this individual provider in the NPPES registry on June 1, 2007.

Where is Ronald Schaefer located?

Ronald Schaefer practices at 4017 E 2603rd Rd, Sheridan, IL 60551. The listed phone number is (773) 343-2164.

What is Ronald Schaefer's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Ronald Schaefer was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.