HESSED PSYCHOLOGICAL SERVICES LLC
NPI 1871149781
Clinical Neuropsychologist in St Charles, IL
About Hessed Psychological Services Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HESSED PSYCHOLOGICAL SERVICES LLC (NPI 1871149781) is a healthcare organization registered as a clinical neuropsychologist in St Charles, Illinois and active in the NPI registry since August 2019. The organization maintains 2 additional practice locations and lists Benjamin Aaron Pyykkonen, Co-founder - Clinical Psychologist, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Hessed Psychological Services Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by December 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
9Medicare enrollment records show 9 clinicians reassign Medicare billing to Hessed Psychological Services LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.
Clinicians, nearest first (9)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Hessed Psychological Services LLC's NPI number?
The NPI number for Hessed Psychological Services LLC is 1871149781. It was assigned to this organization in the NPPES registry on August 15, 2019.
Where is Hessed Psychological Services LLC located?
Hessed Psychological Services LLC is located at 1700 Lincoln Hwy Ste J, St Charles, IL 60174. The listed phone number is (331) 707-4031.
What is Hessed Psychological Services LLC's specialty?
The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.
Is Hessed Psychological Services LLC enrolled in Medicare?
Yes. Hessed Psychological Services LLC is registered in the Medicare PECOS enrollment system.
When is Hessed Psychological Services LLC's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Illinois, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Hessed Psychological Services LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 2 Medicare specialties reassign their Medicare billing to Hessed Psychological Services LLC. 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. The largest specialties are Clinical Psychologist (8) and Clinical Social Worker (1). Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Hessed Psychological Services LLC was last updated on August 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Hessed Psychological Services Llc · NPI 1871149781
Clinical Neuropsychologist organization in St Charles, Illinois. Organization record, active in the CMS NPPES registry since August 15, 2019.
## Identity
- **NPI:** 1871149781 (Entity type: Organization)
- **Enumerated:** August 15, 2019
- **Primary specialty:** Clinical Neuropsychologist · taxonomy 103G00000X
- **Organization subpart:** No
- **Authorized official:** Benjamin Pyykkonen, CO-FOUNDER - CLINICAL PSYCHOLOGIST
## Practice location
- **Address:** 1700 LINCOLN HWY STE J, St Charles, IL 60174-3575
- **Phone:** (331) 707-4031
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** December 31, 2026 (Non-DME Part B, Illinois, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 9 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Clinical Psychologist (8), Clinical Social Worker (1); 1 practice at this address and 2 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 12, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1871149781) · Data from the CMS NPPES public registry.