1. Home
  2. Directory
  3. Illinois
  4. Northbrook
  5. Psychiatry Neurology
  6. NPI Profile

CONSULTANTS IN NEUROLOGY, LTD
NPI 1831183920
Psychiatry & Neurology - Neurology in Northbrook, IL

Active since September 06, 2005CLIA 14D1020487 · Waiver
1535 LAKE COOK RD STE 601, NORTHBROOK, IL 60062(847) 509-0270(847) 509-0273 Get Directions Write a Review

NPPES record last updated: February 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 5, 2025, Jun 12, 2023 (2 updates tracked since 2023).

About Consultants In Neurology, Ltd NPPES

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

CONSULTANTS IN NEUROLOGY, LTD (NPI 1831183920) is a healthcare organization registered as a neurology in Northbrook, Illinois and active in the NPI registry since September 2005. The organization holds a CLIA Waiver certificate valid through December 21, 2027 and lists Daniel R Wynn, Director, as its authorized official.

NPPES Registry Identity

NPI1831183920
Entity TypeOrganization
Primary Taxonomy2084N0400X
Legal Business NameCONSULTANTS IN NEUROLOGY, LTD
Location Address1535 LAKE COOK RD STE 601Northbrook, IL 60062-1455
Mailing Address1535 Lake Cook Rd Ste 601Northbrook, IL 60062-1455 · (847) 509-0270 · Fax (847) 509-0273
Phone(847) 509-0270
Fax(847) 509-0273
Organization SubpartNo
Authorized OfficialDaniel R WynnDirector · (847) 744-1545
Enumeration DateSeptember 6, 2005
Last NPPES UpdateFebruary 5, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2025
✔ NPI 1831183920 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
1535 LAKE COOK RD STE 601, Northbrook, IL 60062
Open in Google Maps ↗

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Consultants In Neurology, Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Consultants In Neurology, Ltd, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Neil Allen, M.D.
Neurology
NPI 1255325023
1535 LAKE COOK RD SUITE 601
Northbrook, IL 60062
(847) 509-0270
✔ PECOS✔ Accepts MedicareSame address
Daniel Wynn, M.D.
Neurology
NPI 1710971700
1535 LAKE COOK RD SUITE 601
Northbrook, IL 60062
(847) 509-0270
✔ PECOS✔ Accepts MedicareSame address

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D1020487

Consultants In Nuerology Ltd · Northbrook, IL
Active · expires Dec 21, 2027
CLIA Number14D1020487
Laboratory TypePhysician Office
Certificate Effective DateDecember 22, 2025
Certificate Expiration DateDecember 21, 2027
Laboratory DirectorDaniel R. Wynn
Laboratory Phone(847) 509-0270
Laboratory LocationConsultants In Nuerology Ltd1535 Lake Cook Rd-Suite 601, Northbrook, IL 60062
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Consultants In Neurology, Ltd's NPI number?

The NPI number for Consultants In Neurology, Ltd is 1831183920. It was assigned to this organization in the NPPES registry on September 6, 2005.

Where is Consultants In Neurology, Ltd located?

Consultants In Neurology, Ltd is located at 1535 Lake Cook Rd Ste 601, Northbrook, IL 60062. The listed phone number is (847) 509-0270.

What is Consultants In Neurology, Ltd's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Consultants In Neurology, Ltd enrolled in Medicare?

Yes. Consultants In Neurology, Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Consultants In Neurology, Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Neurology, reassign their Medicare billing to Consultants In Neurology, Ltd. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Consultants In Neurology, Ltd hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D1020487) is associated with this NPI, valid through December 21, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Consultants In Neurology, Ltd was last updated on February 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.