AMIR J. HEYDARI M.D.
NPI 1417945437
Surgery in Huntley, IL
About Amir J. Heydari M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMIR J. HEYDARI M.D. (NPI 1417945437) is an individual surgery provider in Huntley, Illinois, licensed in Illinois (036090794) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and maintains a secondary practice location in Crystal Lake.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 3
Accepted Insurance
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
Amir J. Heydari M.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 Reassignments
2Medicare enrollment records show Amir Heydari reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 clinicians in this Medicare group
Aurora, CO 80016
- Reassigned Medicare billing, Colorado enrollment
- 11 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.
Areas of Expertise CMS Part B claims 8
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60142 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 4
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 Amir Heydari's NPI number?
The NPI number for Amir Heydari is 1417945437. It was assigned to this individual provider in the NPPES registry on October 13, 2005.
Where is Amir Heydari located?
Amir Heydari practices at 10350 Haligus Rd Ste 220, Huntley, IL 60142. The listed phone number is (815) 455-2752.
What is Amir Heydari's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Amir Heydari enrolled in Medicare?
Yes. Amir Heydari 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 organizations bill Medicare for Amir Heydari's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amir Heydari reassigns Medicare benefits to 2 organizations: Central Dupage Physician Group (Carol Stream, IL) and First Class Urgent Care PC (Aurora, CO). Each 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 Amir Heydari's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amir Heydari accept?
Health plans from Dean Health Plan list Amir Heydari as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Amir Heydari affiliated with any hospitals?
According to CMS data, Amir Heydari is affiliated with Northwestern Medicine Mchenry and Northwestern Medicine Central Dupage Hospital.
When was this NPI record last updated?
The NPPES record for Amir Heydari was last updated on December 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.