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Sleep Medicine

Behnam Hajihossainlou, MD

Sees patients in Orland Park, IL · Naperville, IL · Glenview, IL … · Illinois

Summary

Dr. Behnam Hajihossainlou, MD is a sleep medicine doctor at 10640 165th St, Orland Park, IL 60467. Phone: (708) 364-0261. Accepts Medicare assignment. NPI 1407295496. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Sleep medicine doctor (Medicare lists Sleep Medicine)
  • Address: 10640 165th St, Orland Park, IL 60467 · Directions (4 more locations)
  • Phone: (708) 364‑0261
  • Medicare: Accepts Medicare assignment
  • Group practice: Sigma Health PC
  • Medical school: graduated 2009 (17 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Behnam Hajihossainlou, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Behnam Hajihossainlou accept Medicare assignment?
Yes. Medicare's clinician data says Behnam Hajihossainlou accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Behnam Hajihossainlou's NPI number?
1407295496. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Behnam Hajihossainlou is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Behnam Hajihossainlou as a member of this group (CMS data updated October 2, 2026).

  • Sigma Health PC24 clinicians in the group

Specialties

Find other Sleep Medicine doctors in Illinois →

Other sleep medicine doctors in Orland Park

Clinicians with the same Medicare primary specialty in Orland Park, IL — not a recommendation.

All sleep medicine doctors in Orland Park →

Other clinicians in Sigma Health PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2009 (17 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1407295496
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians