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LAWRENCE LAYFER M.D.
NPI 1235162835
Internal Medicine - Rheumatology in Chicago, IL

Active since July 08, 2006
1725 W HARRISON ST, SUITE 1017, CHICAGO, IL 60612(312) 942-6641 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Lawrence Layfer M.d. NPPES

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

LAWRENCE LAYFER M.D. (NPI 1235162835) is an individual rheumatology provider in Chicago, Illinois, licensed in Illinois (036-052275) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1235162835
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameLAWRENCE LAYFERCredential: M.D.
Location Address1725 W HARRISON ST, SUITE 1017Chicago, IL 60612-3841
Mailing Address1725 W Harrison St, Suite 1017Chicago, IL 60612-3841 · (312) 942-6641
Phone(312) 942-6641
Sole ProprietorNo
Enumeration DateJuly 8, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1235162835 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in IL · 036-052275
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
1725 W HARRISON ST, Chicago, IL 60612
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Other Identifiers 2

Medicare UPINC45158IL
Medicare ID-Type UnspecifiedL60464IL

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.

DR. MARTA BATUS MD
Internal Medicine (Medical Oncology)
1725 W HARRISON ST, SUITE 809
CHICAGO, IL 60612
Cook County (312) 563-2487
KM WILLIAMS MD SC
Clinic/Center (Ophthalmologic Surgery)
1725 W HARRISON ST, STE 910
CHICAGO, IL 60612
Cook County (312) 622-7320
KENNETH M BOYER M.D.
Pediatrics (Pediatric Infectious Diseases)
1725 W HARRISON ST, SUITE 710
CHICAGO, IL 60612
Cook County (312) 942-3034
RUSH UNIVERSITY MEDICAL CENTER
Internal Medicine (Hematology)
1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612
Cook County (312) 942-5904
DAVID ANSELL M.D.
Internal Medicine
1725 W HARRISON ST, SUITE 263
CHICAGO, IL 60612
Cook County (312) 942-6700
MIDWEST NEUROPSYCHIATRIC ASSOC LTD
Specialist
1725 W HARRISON ST, SUITE 744
CHICAGO, IL 60612
Cook County (312) 942-0118
JANICE DIESCHBOURG M.D.
Radiology (Diagnostic Radiology)
1725 W HARRISON ST, SUITE 155
CHICAGO, IL 60612
Cook County (312) 563-3269
AFFILIATED UROLOGISTS, LTD
Specialist
1725 W HARRISON ST, SUITE 762
CHICAGO, IL 60612
Cook County (312) 563-3447

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 Lawrence Layfer's NPI number?

The NPI number for Lawrence Layfer is 1235162835. It was assigned to this individual provider in the NPPES registry on July 8, 2006.

Where is Lawrence Layfer located?

Lawrence Layfer practices at 1725 W Harrison St Suite 1017, Chicago, IL 60612. The listed phone number is (312) 942-6641.

What is Lawrence Layfer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

When was this NPI record last updated?

The NPPES record for Lawrence Layfer 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.