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

DR. KAREN LYNN CASSIDAY PH.D.
NPI 1265710180
Psychologist - Clinical in Northbrook, IL

Active since July 26, 2011Opted out of Medicare · through Sep 17, 2026
1500 SKOKIE BLVD, SUITE 204, NORTHBROOK, IL 60062(847) 559-0001 Get Directions Write a Review

NPPES record last updated: July 26, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Karen Lynn Cassiday Ph.d. NPPES

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

DR. KAREN LYNN CASSIDAY PH.D. (NPI 1265710180) is an individual clinical provider in Northbrook, Illinois, licensed in Illinois (071-004439) and active in the NPI registry since July 2011. She has opted out of Medicare through September 17, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1265710180
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. KAREN LYNN CASSIDAYCredential: PH.D.
Location Address1500 SKOKIE BLVD, SUITE 204Northbrook, IL 60062-4121
Mailing Address1500 Skokie Blvd, Suite 204Northbrook, IL 60062-4121 · (847) 559-0001
Phone(847) 559-0001
Sole ProprietorYes
Enumeration DateJuly 26, 2011
✔ NPI 1265710180 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
Licenses✔ Licensed in IL · 071-004439✔ Licensed in WI · 1622
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
1500 SKOKIE BLVD, Northbrook, IL 60062
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Karen Lynn Cassiday Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from September 17, 2020 through September 17, 2026.

Opt-Out Effective DateSeptember 17, 2020
Opt-Out In Effect ThroughSeptember 17, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60062 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
$183.39 typical visit price
range $60.08 – $183.39
Typical copayment $45.84 (range $15.02 – $45.84)
Most-billed visit code 99205
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.

Other Providers at the Same Location NPPES 5

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

ANXIETY & AGORAPHOBIA TREATMENT CENTER, LTD.
Psychologist (Clinical)
1500 SKOKIE BLVD, SUITE 204
NORTHBROOK, IL 60062
Cook County (847) 559-0001
DR. SUZANNE K MILLER M.ED., PH.D.
Psychologist (Clinical)
1500 SKOKIE BLVD, SUITE 560
NORTHBROOK, IL 60062
Cook County (312) 846-6932
MS. LINDA B HEWITT LCSW
Social Worker (Clinical)
1500 SKOKIE BLVD, SUITE 560
NORTHBROOK, IL 60062
Cook County (847) 302-2117
JULIA A. BABARIK M.S., LPC
Counselor (Professional)
1500 SKOKIE BLVD, SUITE 204
NORTHBROOK, IL 60062
Cook County (847) 559-0001
NORTH SHORE MEDICAL SUPPLY LLC
Durable Medical Equipment & Medical Supplies
1500 SKOKIE BLVD, SUITE 202
NORTHBROOK, IL 60062
Cook County (847) 291-6767

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 Karen Cassiday's NPI number?

The NPI number for Karen Cassiday is 1265710180. It was assigned to this individual provider in the NPPES registry on July 26, 2011.

Where is Karen Cassiday located?

Karen Cassiday practices at 1500 Skokie Blvd Suite 204, Northbrook, IL 60062. The listed phone number is (847) 559-0001.

What is Karen Cassiday's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Karen Cassiday enrolled in Medicare?

No. Karen Cassiday has opted out of Medicare through September 17, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Karen Cassiday was last updated on July 26, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.