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JAMES L. COOK MD
NPI 1396859930
Internal Medicine - Infectious Disease in Maywood, IL

Active since August 19, 2006PECOS Enrolled
2160 S 1ST AVE, FAHEY BLDG, 114B, INFECTIOUS DISEASES, MAYWOOD, IL 60153(708) 216-3135(708) 216-8198 Get Directions Write a Review

NPPES record last updated: November 22, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 22, 2022, May 16, 2022 (2 updates tracked since 2022).

About James L. Cook Md NPPES

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

JAMES L. COOK MD (NPI 1396859930) is an individual infectious disease provider in Maywood, Illinois, licensed in Illinois (036101291) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1396859930
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameJAMES L. COOKCredential: MD
Location Address2160 S 1ST AVE, FAHEY BLDG, 114B, INFECTIOUS DISEASESMaywood, IL 60153-3328
Mailing Address2160 S 1st Ave, Fahey Bldg, 114b, Infectious DiseasesMaywood, IL 60153-3328 · (708) 216-3135 · Fax (708) 216-8198
Phone(708) 216-3135
Fax(708) 216-8198
Sole ProprietorNo
Enumeration DateAugust 19, 2006
Last NPPES UpdateNovember 22, 20222 updates tracked since enumeration
NPPES CertifiedNovember 22, 2022
✔ NPI 1396859930 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in IL · 036101291
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
2160 S 1ST AVE, FAHEY BLDG, 114B, INFECTIOUS DISEASES, Maywood, IL 60153
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Secondary Practice Location 1

Location 11740 W Taylor StChicago, IL 60612-7232 · Phone (866) 600-2273

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James L. Cook Md 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 James Cook reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Loyola University Medical Center
0.1 mi
General Practice
2160 S 1ST AVE
Maywood, IL 60153
  • Reassigned Medicare billing, Illinois enrollment
  • 1,138 clinicians in this Medicare group
NPI 1336159961 (708) 216-3215
The Board Of Trustees Of The University Of Illinois
7.4 mi
Federally Qualified Health Center (FQHC)
3050 W 39TH PL
Chicago, IL 60632
  • Reassigned Medicare billing, Illinois enrollment
  • 2,127 clinicians in this Medicare group
NPI 1932450160 (312) 413-1261

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60153 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 James Cook's NPI number?

The NPI number for James Cook is 1396859930. It was assigned to this individual provider in the NPPES registry on August 19, 2006.

Where is James Cook located?

James Cook practices at 2160 S 1st Ave, Fahey Bldg, 114B, Infectious Diseases, Maywood, IL 60153. The listed phone number is (708) 216-3135.

What is James Cook's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is James Cook enrolled in Medicare?

Yes. James Cook is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for James Cook's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Cook reassigns Medicare benefits to 2 organizations: Loyola University Medical Center (Maywood, IL) and The Board Of Trustees Of The University Of Illinois (Chicago, 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 James Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Cook accept?

Health plans from Oscar Health list James Cook as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for James Cook was last updated on November 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.