DR. HOLLY MARIE HAGEN PSYD
NPI 1932537545
Clinical Neuropsychologist in Algonquin, IL
About Dr. Holly Marie Hagen Psyd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HOLLY MARIE HAGEN PSYD (NPI 1932537545) is an individual clinical neuropsychologist in Algonquin, Illinois, licensed in Illinois (071008672) and active in the NPI registry since October 2013. She is enrolled in Medicare PECOS, maintains 7 additional practice locations, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
Other Names 1
Secondary Practice Locations 7
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Holly Marie Hagen Psyd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Holly Hagen's NPI number?
The NPI number for Holly Hagen is 1932537545. It was assigned to this individual provider in the NPPES registry on October 16, 2013. The provider is also known as Dr. Holly Marie Williams Psyd.
Where is Holly Hagen located?
Holly Hagen practices at 1451 Merchant Dr, Algonquin, IL 60102. The listed phone number is (847) 469-7537.
What is Holly Hagen's specialty?
The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.
Is Holly Hagen enrolled in Medicare?
Yes. Holly Hagen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Holly Hagen was last updated on September 23, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
