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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. LIONEL B WONG M.D.
NPI 1619945037
Internal Medicine - Gastroenterology in Dixon, IL

Active since March 10, 2006
215 E 1ST ST, STE 211, DIXON, IL 61021(815) 285-5843(815) 285-5846 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Lionel B Wong M.d. NPPES

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

DR. LIONEL B WONG M.D. (NPI 1619945037) is an individual gastroenterology provider in Dixon, Illinois and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1619945037
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. LIONEL B WONGCredential: M.D.
Location Address215 E 1ST ST, STE 211Dixon, IL 61021-3166
Mailing Address215 E 1st St, Ste 211Dixon, IL 61021-3166 · (815) 285-5843 · Fax (815) 285-5846
Phone(815) 285-5843
Fax(815) 285-5846
Sole ProprietorNo
Enumeration DateMarch 10, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1619945037 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
215 E 1ST ST, Dixon, IL 61021
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Other Providers at the Same Location NPPES 20

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

KYLE SWANSON
Podiatrist (Foot & Ankle Surgery)
215 E 1ST ST, SUITE 310
DIXON, IL 61021
Lee County (515) 210-9777
ERIC GALE M.D.
Internal Medicine
215 E 1ST ST, SUITE 214
DIXON, IL 61021
Lee County (815) 284-1600
LISA MARIE LINDQUIST
Occupational Therapy Assistant
215 E 1ST ST
DIXON, IL 61021
Lee County (815) 285-5591
PATRICIA J GEISZ P.T.
Physical Therapist
215 E 1ST ST, COMMERCE TOWERS, SUITE 318-319
DIXON, IL 61021
Lee County (815) 285-5591
DR. MICHAEL J WESSELS DPM
Podiatrist
215 E 1ST ST, STE 306
DIXON, IL 61021
Lee County (815) 285-5801
STEVEN YESCHEK
Podiatrist (Foot & Ankle Surgery)
215 E 1ST ST
DIXON, IL 61021
Lee County (815) 285-5698
SKYLA STRUM
Physical Therapist
215 E 1ST ST
DIXON, IL 61021
Lee County (815) 285-5591
DR. STEPHEN D GABRIEL M.D.
Orthopaedic Surgery
215 E 1ST ST, STE 305 KSB MEDICAL GROUP
DIXON, IL 61021
Lee County (815) 285-5800

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 Lionel Wong's NPI number?

The NPI number for Lionel Wong is 1619945037. It was assigned to this individual provider in the NPPES registry on March 10, 2006.

Where is Lionel Wong located?

Lionel Wong practices at 215 E 1st St Ste 211, Dixon, IL 61021. The listed phone number is (815) 285-5843.

What is Lionel Wong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Lionel Wong was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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.