ALEXANDER JAEHYUK CHOI M.D., M.P.H.
NPI 1013440221
Psychiatry & Neurology - Sleep Medicine in Chicago, IL

Active since April 05, 2017PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
676 N SAINT CLAIR ST STE 7-701, CHICAGO, IL 60611(312) 695-7950(312) 926-4771 Get Directions Write a Review

NPPES record last updated: July 12, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 12, 2021, Jun 24, 2020, Aug 10, 2017 (3 updates tracked since 2017).

About Alexander Jaehyuk Choi M.d., M.p.h. NPPES

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

ALEXANDER JAEHYUK CHOI M.D., M.P.H. (NPI 1013440221) is an individual sleep medicine provider in Chicago, Illinois, licensed in Illinois (036153157) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1013440221
Entity TypeIndividualMale
Primary Taxonomy2084S0012X
Provider Legal NameALEXANDER JAEHYUK CHOICredential: M.D., M.P.H.
Location Address676 N SAINT CLAIR ST STE 7-701Chicago, IL 60611-2927
Mailing Address676 N Saint Clair St Ste 7-701Chicago, IL 60611-2927 · (312) 695-7950 · Fax (312) 926-4771
Fax(312) 926-4771
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 2016
Enumeration DateApril 5, 2017
Last NPPES UpdateJuly 12, 20213 updates tracked since enumeration
NPPES CertifiedJuly 12, 2021
NPI 1013440221 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPsychiatry & Neurology · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2084S0012X
License Licensed in IL · 036153157
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 ListedFamily MedicineTaxonomy 207Q00000X · License 036153157 (IL), 0101268531 (VA)
Also ListedFamily Medicine · Sleep MedicineTaxonomy 207QS1201X · License 036153157 (IL)
676 N SAINT CLAIR ST STE 7-701, Chicago, IL 60611

Secondary Practice Locations 2

Location 1825 Fairfax Ave Ste 206Norfolk, VA 23507-1914 · Phone (757) 446-5955
Location 2710 N Lake Shore DrChicago, IL 60611-3006 · Phone (312) 695-7950

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

Alexander Jaehyuk Choi M.d., M.p.h. 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 ID2769757582
PECOS Enrollment IDI20210615000482
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 10

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.
167 services167 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.
109 services90 patients
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.
94 services92 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
92 services71 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
65 services65 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
58 services49 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 12

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
8 suppliers85 claims85 services$33.71 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
6 suppliers38 claims38 services$73.08 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
5 suppliers28 claims67 services$28.84 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
5 suppliers26 claims127 services$14.54 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
4 suppliers27 claims136 services$13.70 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
6 suppliers57 claims57 services$46.17 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 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Sleep Medicine)
676 N SAINT CLAIR ST STE 7-701
CHICAGO, IL 60611
Internal Medicine (Sleep Medicine)
676 N SAINT CLAIR ST STE 7-701
CHICAGO, IL 60611
Psychologist (Clinical)
676 N SAINT CLAIR ST STE 7-701
CHICAGO, IL 60611
Physician Assistant
676 N SAINT CLAIR ST STE 7-701
CHICAGO, IL 60611
Physician Assistant
676 N SAINT CLAIR ST STE 7-701
CHICAGO, IL 60611
Psychiatry & Neurology (Sleep Medicine)
676 N SAINT CLAIR ST STE 7-701
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 Alexander Choi's NPI number?

The NPI number for Alexander Choi is 1013440221. It was assigned to this individual provider in the NPPES registry on April 5, 2017.

Where is Alexander Choi located?

Alexander Choi practices at 676 N Saint Clair St Ste 7-701, Chicago, IL 60611. The listed phone number is (312) 695-7950.

What is Alexander Choi's specialty?

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

Is Alexander Choi enrolled in Medicare?

Yes. Alexander Choi 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 Alexander Choi affiliated with any hospitals?

According to CMS data, Alexander Choi 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 Alexander Choi was last updated on July 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.