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DR. HRAYR PIERRE ATTARIAN MD
NPI 1427089119
Psychiatry & Neurology - Sleep Medicine in Chicago, IL

Active since July 05, 2006PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
675 N SAINT CLAIR ST, SUITE 20-100, CHICAGO, IL 60611(312) 695-7950(312) 695-5747 Get Directions Write a Review

NPPES record last updated: January 29, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Hrayr Pierre Attarian Md NPPES

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

DR. HRAYR PIERRE ATTARIAN MD (NPI 1427089119) is an individual sleep medicine provider in Chicago, Illinois, licensed in Illinois (036122896) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and is a graduate of Other (1992).

NPPES Registry Identity

NPI1427089119
Entity TypeIndividualMale
Primary Taxonomy2084S0012X
Provider Legal NameDR. HRAYR PIERRE ATTARIANCredential: MD
Location Address675 N SAINT CLAIR ST, SUITE 20-100Chicago, IL 60611-5975
Mailing Address675 N Saint Clair St, Suite 20-100Chicago, IL 60611-5975 · (312) 695-7950 · Fax (312) 695-5747
Phone(312) 695-7950
Fax(312) 695-5747
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateJuly 5, 2006
Last NPPES UpdateJanuary 29, 2014
✔ NPI 1427089119 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2084S0012X
License✔ Licensed in IL · 036122896
Definition
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.
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License 036122896 (IL)
675 N SAINT CLAIR ST, Chicago, IL 60611
Open in Google Maps ↗

Other Identifiers 6

Other362852VT · Mvp
Medicare UPING88082VT
Medicaid02408620NY
Medicaid1009693VT
Other58446VT · Bcbs
Medicare ID-Type UnspecifiedVN3158VT

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

Dr. Hrayr Pierre Attarian Md 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 ID840344677
PECOS Enrollment IDI20090813000409
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 9

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.

Sleep study including heart rate, breathing, and sleep time 95800
A sleep study monitors your sleep patterns to evaluate your sleep quality. It records your heart rate, breathing, and actual sleep time. This information helps identify any sleep disorders, ensuring you get the rest you need for optimal health.
173 services171 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
158 services141 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
119 services110 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
86 services86 patients
Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811
A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.
47 services45 patients
Sleep study in sleep lab (6 years or older) 95810
A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.
45 services45 patients

Hospital Affiliations CMS Care Compare 3

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

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page 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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.59
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 17

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
27 suppliers624 claims624 services$32.42 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
22 suppliers297 claims298 services$69.84 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
20 suppliers286 claims773 services$26.42 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
21 suppliers206 claims1,147 services$14.84 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
12 suppliers189 claims1,074 services$12.61 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
30 suppliers459 claims459 services$44.68 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

TAYLOR MARIE HOGAN WINTERHALER AGACNP-BC
Nurse Practitioner (Acute Care)
675 N SAINT CLAIR ST
CHICAGO, IL 60611
Cook County (206) 883-7722
SHARON A ALLEN APRN
Nurse Practitioner (Adult Health)
675 N SAINT CLAIR ST, 21-100
CHICAGO, IL 60611
Cook County (312) 695-0316
HERON RODRIGUEZ MD
Surgery (Vascular Surgery)
675 N SAINT CLAIR ST, NORTHWESTERN MEMORIAL HOSPIALT GALTER 19-100
CHICAGO, IL 60611
Cook County (312) 695-2714
DR. DARREN MICHAEL BRENNER M.D.
Internal Medicine (Gastroenterology)
675 N SAINT CLAIR ST, SUITE 17-250
CHICAGO, IL 60611
Cook County (312) 695-5620
DR. ABDUL AZIZ AADAM M.D.
Internal Medicine (Gastroenterology)
675 N SAINT CLAIR ST, GASTROENTEROLOGY - SUITE 1400
CHICAGO, IL 60611
Cook County (312) 926-2000
JAN ELMAN STOUT PSYD
Psychologist (Clinical)
675 N SAINT CLAIR ST, SUITE 14-200
CHICAGO, IL 60611
Cook County (312) 695-7269
EMILY ELIZABETH HANDLEY OTD, OTR/L
Occupational Therapist
675 N SAINT CLAIR ST
CHICAGO, IL 60611
Cook County (815) 919-1791
SEEMA SINGHAL MD
Internal Medicine (Hematology)
675 N SAINT CLAIR ST, GALTER 21-100
CHICAGO, IL 60611
Cook County (312) 695-0990

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 Hrayr Attarian's NPI number?

The NPI number for Hrayr Attarian is 1427089119. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Hrayr Attarian located?

Hrayr Attarian practices at 675 N Saint Clair St Suite 20-100, Chicago, IL 60611. The listed phone number is (312) 695-7950.

What is Hrayr Attarian's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Sleep Medicine, with taxonomy code 2084S0012X.

Is Hrayr Attarian enrolled in Medicare?

Yes. Hrayr Attarian 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 Hrayr Attarian affiliated with any hospitals?

According to CMS data, Hrayr Attarian is affiliated with Northwestern Lake Forest Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Hrayr Attarian was last updated on January 29, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.