DR. MARK F DANIELS M.D.
NPI 1043215718
Internal Medicine - Gastroenterology in Naperville, IL

Active since June 17, 2005
100 SPALDING DR, STE 208, NAPERVILLE, IL 60540(630) 355-8000 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Mark F Daniels M.d. NPPES

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

DR. MARK F DANIELS M.D. (NPI 1043215718) is an individual gastroenterology provider in Naperville, Illinois and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1043215718
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. MARK F DANIELSCredential: M.D.
Location Address100 SPALDING DR, STE 208Naperville, IL 60540-6552
Mailing Address1860 Paysphere CirChicago, IL 60674-0018 · (630) 355-8000
Sole ProprietorNo
Enumeration DateJune 17, 2005
Last NPPES UpdateJuly 8, 2007
NPI 1043215718 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.
100 SPALDING DR, Naperville, IL 60540

Other Identifiers 2

Medicare UPINC37148IL
Medicare ID-Type UnspecifiedL64893IL

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.

Internal Medicine (Pulmonary Disease)
100 SPALDING DR, STE 102
NAPERVILLE, IL 60540
Internal Medicine (Gastroenterology)
100 SPALDING DR, STE 208
NAPERVILLE, IL 60540
Pediatrics
100 SPALDING DR, SUITE 206
NAPERVILLE, IL 60540
Obstetrics & Gynecology
100 SPALDING DR, STE 406
NAPERVILLE, IL 60540
Internal Medicine (Hematology & Oncology)
100 SPALDING DR, STE 110
NAPERVILLE, IL 60540
Internal Medicine (Pulmonary Disease)
100 SPALDING DR, STE 102
NAPERVILLE, IL 60540
Nurse Practitioner (Adult Health)
100 SPALDING DR, SUITE # 110
NAPERVILLE, IL 60540
Internal Medicine
100 SPALDING DR, 408
NAPERVILLE, IL 60540

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 Mark Daniels's NPI number?

The NPI number for Mark Daniels is 1043215718. It was assigned to this individual provider in the NPPES registry on June 17, 2005.

Where is Mark Daniels located?

Mark Daniels practices at 100 Spalding Dr Ste 208, Naperville, IL 60540. The listed phone number is (630) 355-8000.

What is Mark Daniels'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 Mark Daniels was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.