Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KIAN NASSIRI DO
NPI 1962965756
Physical Medicine & Rehabilitation - Brain Injury Medicine in Chicago, IL

Active since April 09, 2019PECOS EnrolledAccepts Medicare Assignment
355 E ERIE ST, CHICAGO, IL 60611(312) 238-1000 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 17, 2026, Aug 23, 2024, Jun 16, 2020 and 1 more (4 updates tracked since 2019).

About Kian Nassiri Do NPPES

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

KIAN NASSIRI DO (NPI 1962965756) is an individual brain injury medicine provider in Chicago, Illinois, licensed in Illinois (036.170380) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2019).

NPPES Registry Identity

NPI1962965756
Entity TypeIndividualMale
Primary Taxonomy2081P0301X
Provider Legal NameKIAN NASSIRICredential: DO
Location Address355 E ERIE STChicago, IL 60611
Mailing Address355 E Erie StChicago, IL 60611-3167 · (312) 238-1000
Sole ProprietorNo
Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2019
Enumeration DateApril 9, 2019
Last NPPES UpdateJuly 17, 20264 updates tracked since enumeration
NPPES CertifiedJuly 17, 2026
NPI 1962965756 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysical Medicine & Rehabilitation · Brain Injury MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2081P0301X
License Licensed in IL · 036.170380
Definition
A Brain Injury Medicine physician specializes in disorders of brain function due to injury and disease. These disorders encompass a range of medical, physical, neurologic, cognitive, sensory, and behavioral disorders that result in psychosocial, educational, and vocational consequences.
Also ListedPhysical Medicine & RehabilitationTaxonomy 208100000X · License 125075361 (IL)
355 E ERIE ST, Chicago, IL 60611

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

Kian Nassiri Do 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.

PECOS PAC ID5092137729
PECOS Enrollment IDI20240911001664
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
147 services16 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
47 services13 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140010
Location2650 Ridge AveEvanston, IL 60201 · Cook County
Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140281
Location251 E Huron StChicago, IL 60611 · Cook County
Emergency services Birthing friendly

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.

Physical Medicine & Rehabilitation
355 E ERIE ST
CHICAGO, IL 60611
Psychologist (Clinical)
355 E ERIE ST
CHICAGO, IL 60611
Occupational Therapist
355 E ERIE ST
CHICAGO, IL 60611
Physical Medicine & Rehabilitation (Sports Medicine)
355 E ERIE ST
CHICAGO, IL 60611
Clinical Neuropsychologist
355 E ERIE ST
CHICAGO, IL 60611
Nurse Practitioner
355 E ERIE ST
CHICAGO, IL 60611
Occupational Therapist
355 E ERIE ST
CHICAGO, IL 60611
Physical Medicine & Rehabilitation (Sports Medicine)
355 E ERIE ST
CHICAGO, IL 60611

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 Kian Nassiri's NPI number?

The NPI number for Kian Nassiri is 1962965756. It was assigned to this individual provider in the NPPES registry on April 9, 2019.

Where is Kian Nassiri located?

Kian Nassiri practices at 355 E Erie St, Chicago, IL 60611. The listed phone number is (312) 238-1000.

What is Kian Nassiri's specialty?

The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Brain Injury Medicine, with taxonomy code 2081P0301X.

Is Kian Nassiri enrolled in Medicare?

Yes. Kian Nassiri 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.

Is Kian Nassiri affiliated with any hospitals?

According to CMS data, Kian Nassiri is affiliated with Northshore University Healthsystem - Evanston Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Kian Nassiri was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.