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WILLIAM MARKEY MD,SC
NPI 1265667158
Internal Medicine - Gastroenterology in Chicago, IL

Active since May 20, 2009
3000 N HALSTED ST STE 506, CHICAGO, IL 60657(312) 944-2188 Get Directions Write a Review

NPPES record last updated: May 20, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William Markey Md,sc NPPES

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

WILLIAM MARKEY MD,SC (NPI 1265667158) is a healthcare organization registered as a gastroenterology in Chicago, Illinois and active in the NPI registry since May 2009. The organization lists Willaim Simon Markey, President, as its authorized official.

NPPES Registry Identity

NPI1265667158
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameWILLIAM MARKEY MD,SC
Location Address3000 N HALSTED ST STE 506Chicago, IL 60657-5194
Mailing AddressPo Box 146530Chicago, IL 60614-6400 · (312) 944-2188
Phone(312) 944-2188
Organization SubpartNo
Authorized OfficialWillaim Simon MarkeyPresident · (312) 944-2188
Enumeration DateMay 20, 2009
✔ NPI 1265667158 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in IL · 036046023
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.
3000 N HALSTED ST STE 506, Chicago, IL 60657
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Other Identifiers 2

Medicaid036046023IL
Medicare UPINC45070IL

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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.

WILLIAM SIMON MARKEY MD
Internal Medicine (Gastroenterology)
3000 N HALSTED ST STE 506
CHICAGO, IL 60657
Cook County (312) 944-1247
DAVID MOORE, D.O., S.C.
Internal Medicine
3000 N HALSTED ST STE 506
CHICAGO, IL 60657
Cook County (773) 327-3238

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 William Markey Md,sc's NPI number?

The NPI number for William Markey Md,sc is 1265667158. It was assigned to this organization in the NPPES registry on May 20, 2009.

Where is William Markey Md,sc located?

William Markey Md,sc is located at 3000 N Halsted St Ste 506, Chicago, IL 60657. The listed phone number is (312) 944-2188.

What is William Markey Md,sc'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 William Markey Md,sc was last updated on May 20, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.