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DR. RONALD LEWIS RUECKER MD
NPI 1275565806
Internal Medicine in Decatur, IL

Active since July 06, 2006
2 MEMORIAL DRIVE, SUITE 101, DECATUR, IL 62526(217) 875-2640(217) 875-3101 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ronald Lewis Ruecker Md NPPES

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

DR. RONALD LEWIS RUECKER MD (NPI 1275565806) is an individual internal medicine provider in Decatur, Illinois and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1275565806
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. RONALD LEWIS RUECKERCredential: MD
Location Address2 MEMORIAL DRIVE, SUITE 101Decatur, IL 62526-1589
Mailing Address2 Memorial Drive, Suite 101Decatur, IL 62526-1589 · (217) 875-2640 · Fax (217) 875-3101
Phone(217) 875-2640
Fax(217) 875-3101
Sole ProprietorNo
Enumeration DateJuly 6, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1275565806 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X
2 MEMORIAL DRIVE, Decatur, IL 62526
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Other Providers at the Same Location NPPES 4

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

MS. JUDITH ANNE SELLE RN MS CNOR CRPFA
Registered Nurse (Registered Nurse First Assistant)
2 MEMORIAL DRIVE, SUITE #207
DECATUR, IL 62526
Macon County (217) 876-2784
DR. SUDHAKAR KRISHNADAS SHETH MD
Internal Medicine (Gastroenterology)
2 MEMORIAL DRIVE, SUITE 101
DECATUR, IL 62526
Macon County (217) 875-2640
INTERNAL MEDICINE SUBSPECIALTY ASSOCIATES LTD
Internal Medicine (Gastroenterology)
2 MEMORIAL DRIVE, SUITE 101
DECATUR, IL 62526
Macon County (217) 875-2640
DR. VICTOR ELOY MD
Internal Medicine (Gastroenterology)
2 MEMORIAL DRIVE, SUITE 101
DECATUR, IL 62526
Macon County (217) 875-2640

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 Ruecker's NPI number?

The NPI number for Ronald Ruecker is 1275565806. It was assigned to this individual provider in the NPPES registry on July 6, 2006.

Where is Ronald Ruecker located?

Ronald Ruecker practices at 2 Memorial Drive Suite 101, Decatur, IL 62526. The listed phone number is (217) 875-2640.

What is Ronald Ruecker'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 Ruecker was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.