DR. MICHAEL K. DORREN PH.D.
NPI 1659416634
Psychologist - Clinical in Hinsdale, IL
About Dr. Michael K. Dorren Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL K. DORREN PH.D. (NPI 1659416634) is an individual clinical provider in Hinsdale, Illinois and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Michael K. Dorren Ph.d. 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.
Medicare Billing Reassignment
Medicare enrollment records show Michael Dorren reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hinsdale, IL 60521
- Reassigned Medicare billing, Illinois enrollment
- 21 clinicians in this Medicare group
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 60521 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
HINSDALE, IL 60521
HINSDALE, IL 60521
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 Michael Dorren's NPI number?
The NPI number for Michael Dorren is 1659416634. It was assigned to this individual provider in the NPPES registry on February 20, 2007.
Where is Michael Dorren located?
Michael Dorren practices at 120 E Ogden Ave Suite 220, Hinsdale, IL 60521. The listed phone number is (630) 325-5300.
What is Michael Dorren's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Michael Dorren enrolled in Medicare?
Yes. Michael Dorren 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.
Which organization bills Medicare for Michael Dorren's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Dorren reassigns Medicare benefits to Heritage Professional Associates Ltd (Hinsdale, IL). The 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 Michael Dorren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michael Dorren was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.