JOHN WARREN MD
NPI 1104848563
Pathology - Clinical Pathology/Laboratory Medicine in Chicago, IL

Q: What is John Warren's NPI number?

The NPI number for John Warren is 1104848563. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Q: What is John Warren's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Q: When was this NPI record last updated?

The NPPES record for John Warren 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.

Active since July 24, 2006

680 N LAKE SHORE DR, SUITE 1000, CHICAGO, IL 60611(312) 695-9797 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About John Warren Md NPPES

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

JOHN WARREN MD (NPI 1104848563) is an individual clinical pathology/laboratory medicine provider in Chicago, Illinois and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1104848563

Entity TypeIndividualMale

Primary Taxonomy207ZP0105X

Provider Legal NameJOHN WARRENCredential: MD

Location Address680 N LAKE SHORE DR, SUITE 1000Chicago, IL 60611-4546

Mailing Address680 N Lake Shore Dr, Suite 1000Chicago, IL 60611-4546 · (312) 695-9797

Phone(312) 695-9797

Sole ProprietorNo

Enumeration DateJuly 24, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1104848563 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0105X

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

680 N LAKE SHORE DR, Chicago, IL 60611

Open in Google Maps ↗

Other Identifiers 1

Medicare UPINE24475

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.

MRS. BONNIE DEVROE MALIK CRNA

Nurse Anesthetist, Certified Registered

680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611

Cook County (312) 695-9797

IMG MD, LLC

Medical Genetics, Ph.D. Medical Genetics

680 N LAKE SHORE DR
CHICAGO, IL 60611

Cook County (312) 981-4400

DR. JAY MICHAEL PENSLER M.D.

Specialist

680 N LAKE SHORE DR, SUITE 1125
CHICAGO, IL 60611

Cook County (312) 642-7777

JAY PRYSTOWSKY MD

Surgery

680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611

Cook County (312) 695-9797

ANURADHA PERNI MD

Anesthesiology (Pain Medicine)

680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611

Cook County (312) 695-9797

GYNECOLOGIC SPECIALISTS OF NORTHWESTERN, S.C.

Obstetrics & Gynecology (Gynecology)

680 N LAKE SHORE DR, SUITE117
CHICAGO, IL 60611

Cook County (312) 654-1166

DR. LEANNE TRAPP BENSKO M.D.

Pediatrics

680 N LAKE SHORE DR, 1050
CHICAGO, IL 60611

Cook County (312) 642-5515

DR. JULIA GOLDIN DNP

Nurse Practitioner (Family)

680 N LAKE SHORE DR
CHICAGO, IL 60611

Cook County (312) 965-6868

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 John Warren's NPI number?

The NPI number for John Warren is 1104848563. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Where is John Warren located?

John Warren practices at 680 N Lake Shore Dr Suite 1000, Chicago, IL 60611. The listed phone number is (312) 695-9797.

What is John Warren's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

When was this NPI record last updated?

The NPPES record for John Warren 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.