Dr Hrayr Pierre Attarian, MD - Medicare Sleep Medicine in Chicago, IL

Dr Hrayr Pierre Attarian, MD is a medicare enrolled "Psychiatry & Neurology - Sleep Medicine" physician in Chicago, Illinois. He graduated from medical school in 1992 and has 33 years of diverse experience with area of expertise as Sleep Medicine. He is a member of the group practice Northwestern Medical Faculty Foundation and his current practice location is 675 N Saint Clair St, Suite 20-100, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (312) 695-7950.

Dr Hrayr Pierre Attarian is licensed to practice in Illinois (license number 036122896) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1427089119.

Contact Information

Dr Hrayr Pierre Attarian, MD
675 N Saint Clair St, Suite 20-100,
Chicago, IL 60611-5975
(312) 695-7950
(312) 695-5747

Map and Direction




Physician's Profile

Full NameDr Hrayr Pierre Attarian
GenderMale
SpecialitySleep Medicine
Experience33 Years
Location675 N Saint Clair St, Chicago, Illinois
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Hrayr Pierre Attarian graduated from medical school in 1992
  NPI Data:
  • NPI Number: 1427089119
  • Provider Enumeration Date: 07/05/2006
  • Last Update Date: 01/29/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 0840344677
  • Enrollment ID: I20090813000409

Medical Identifiers

Medical identifiers for Dr Hrayr Pierre Attarian such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427089119NPI-NPPES
02408620MedicaidNY
1009693MedicaidVT
58446OtherVTBCBS
362852OtherVTMVP

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084N0400XPsychiatry & Neurology - Neurology 036122896 (Illinois)Secondary
2084S0012XPsychiatry & Neurology - Sleep Medicine 036122896 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Northwestern Memorial HospitalChicago, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Northwestern Medical Faculty Foundation45875768143352

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Hrayr Pierre Attarian allows following entities to bill medicare on his behalf.
Entity NameNorthwestern Medical Faculty Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346235314
PECOS PAC ID: 4587576814
Enrollment ID: O20031105000541

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Hrayr Pierre Attarian is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Hrayr Pierre Attarian, MD
675 N Saint Clair St, Suite 20-100,
Chicago, IL 60611-5975

Ph: (312) 695-7950
Dr Hrayr Pierre Attarian, MD
675 N Saint Clair St, Suite 20-100,
Chicago, IL 60611-5975

Ph: (312) 695-7950

Reviews and Comments


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Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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