DR. HRAYR PIERRE ATTARIAN MD NPI 1427089119

NPI Information

  • NPI: 1427089119
  • Provider Name: DR. HRAYR PIERRE ATTARIAN, MD
  • Classification: Psychiatry & Neurology - 2084S0012X
  • Specialization: Sleep Medicine
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 675 N SAINT CLAIR ST
    SUITE 20-100
    CHICAGO, IL
    ZIP 60611
  • Phone: (312) 695-7950

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NPI Details

DR. Hrayr Pierre Attarian, MD is a sleep medicine psychiatry neurology in Chicago, IL with 34 years of experience. The provider is a Psychiatrist or Neurologist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders. DR. Hrayr Pierre Attarian, MD NPI is 1427089119. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

675 N SAINT CLAIR ST
SUITE 20-100
CHICAGO, IL
ZIP 60611-975
Phone: (312) 695-7950
Fax: (312) 695-5747

The NPI 1427089119 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Sleep study including heart rate, breathing, and sleep time (HCPCS:95800)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Telephone medical discussion with physician, 21-30 minutes (HCPCS:99443)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Sleep study in sleep lab (6 years or older) (HCPCS:95810)
  • Sleep study in sleep lab with continuous airway pressure (6 years or older) (HCPCS:95811)
  • New patient office or other outpatient visit, 30-44 minutes (HCPCS:99203)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Telephone medical discussion with physician, 11-20 minutes (HCPCS:99442)
  • Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation (HCPCS:G0399)

The enumeration date for this NPI number is 7/5/2006 and was last updated on 1/29/2014.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
12084N0400XPsychiatry & NeurologyNeurology036122896ILLINOISNo
22084S0012XPsychiatry & NeurologySleep Medicine036122896ILLINOISYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1362852OTHERVERMONTMVP
2G88082MEDICARE UPINVERMONT
302408620MEDICAIDNEW YORK
41009693MEDICAIDVERMONT
558446OTHERVERMONTBCBS
6VN3158MEDICARE ID-TYPE UNSPECIFIEDVERMONT

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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