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DR. GUY ROBERT RANDOLPH M.D.
NPI 1982660635
Pediatrics - Pediatric Cardiology in Chicago, IL

Active since April 21, 2006PECOS Enrolled
2923 N CALIFORNIA AVE STE 230, CHICAGO, IL 60618(312) 951-5800(312) 951-5816 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 6, 2026, Jan 15, 2026, Dec 23, 2021 and 1 more (4 updates tracked since 2020).

About Dr. Guy Robert Randolph M.d. NPPES

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

DR. GUY ROBERT RANDOLPH M.D. (NPI 1982660635) is an individual pediatric cardiology provider in Chicago, Illinois, licensed in Illinois (036100179) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1982660635
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameDR. GUY ROBERT RANDOLPHCredential: M.D.
Location Address2923 N CALIFORNIA AVE STE 230Chicago, IL 60618-4677
Mailing Address2923 N California Ave Ste 230Chicago, IL 60618-4677 · (312) 951-5800 · Fax (312) 951-5816
Phone(312) 951-5800
Fax(312) 951-5816
Sole ProprietorNo
Enumeration DateApril 21, 2006
Last NPPES UpdateAugust 6, 20264 updates tracked since enumeration
NPPES CertifiedAugust 6, 2026
✔ NPI 1982660635 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in IL · 036100179
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
2923 N CALIFORNIA AVE STE 230, Chicago, IL 60618
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1900 N Westmoreland RdLake Forest, IL 60045-1674 · Phone (800) 543-7362
Location 2225 E Chicago AveChicago, IL 60611-2991 · Phone (800) 543-7362

Other Identifiers 1

Medicaid036100179IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Guy Robert Randolph M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Guy Randolph reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lurie Children's Medical Group Inc
4.7 mi
Pediatrics
225 E CHICAGO AVE
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group
NPI 1518064716 (312) 227-6412
Edward Hospital
26 mi
General Acute Care Hospital
801 S WASHINGTON ST
Naperville, IL 60540
  • Reassigned Medicare billing, Illinois enrollment
  • 268 clinicians in this Medicare group
NPI 1013969013 (630) 655-0450

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES

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

DR. THOMAS J WEIGEL MD
Pediatrics (Pediatric Cardiology)
2923 N CALIFORNIA AVE STE 230
CHICAGO, IL 60618
Cook County (312) 951-5800

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 Guy Randolph's NPI number?

The NPI number for Guy Randolph is 1982660635. It was assigned to this individual provider in the NPPES registry on April 21, 2006.

Where is Guy Randolph located?

Guy Randolph practices at 2923 N California Ave Ste 230, Chicago, IL 60618. The listed phone number is (312) 951-5800.

What is Guy Randolph's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Guy Randolph enrolled in Medicare?

Yes. Guy Randolph is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Guy Randolph's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Guy Randolph reassigns Medicare benefits to 2 organizations: Lurie Children's Medical Group Inc (Chicago, IL) and Edward Hospital (Naperville, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Guy Randolph's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Guy Randolph was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.