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STEPHEN V MARCOUX M.D.
NPI 1467862144
Psychiatry & Neurology - Psychiatry in Chicago, IL

Active since May 02, 2014PECOS EnrolledAccepts Medicare Assignment
97.71/100
CMS Quality Rating
5841 S MARYLAND AVE # MC3077, CHICAGO, IL 60637(773) 702-3858 Get Directions Write a Review

NPPES record last updated: May 15, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 15, 2022, Aug 26, 2018, Mar 29, 2017 (3 updates tracked since 2017).

About Stephen V Marcoux M.d. NPPES

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

STEPHEN V MARCOUX M.D. (NPI 1467862144) is an individual psychiatry provider in Chicago, Illinois, licensed in Illinois (036.159958) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS, is affiliated with Swedish Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1467862144
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameSTEPHEN V MARCOUXCredential: M.D.
Location Address5841 S MARYLAND AVE # MC3077Chicago, IL 60637-1443
Mailing Address150 Harvester Dr Ste 300Burr Ridge, IL 60527-5965 · (773) 702-1150
Phone(773) 702-3858
Sole ProprietorYes
Medical School CMSCreighton University School Of MedicineGraduated 2014
Enumeration DateMay 2, 2014
Last NPPES UpdateMay 15, 20223 updates tracked since enumeration
NPPES CertifiedMay 14, 2022
✔ NPI 1467862144 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in IL · 036.159958✔ Licensed in NE · 29089
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 29089 (NE)
5841 S MARYLAND AVE # MC3077, Chicago, IL 60637
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1340 Magnolia CirTyndall AFB, FL 32403 · Phone (850) 283-7511
Location 22200 Bergquist Dr, Suite 1Jbsa Lackland, TX 78236-9907 · Phone (480) 229-0159

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Stephen V Marcoux M.d. 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 ID4789975616
PECOS Enrollment IDI20230828002113
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Stephen Marcoux reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The University Of Chicago Medical Center
Same address
General Acute Care Hospital
5841 S MARYLAND AVE
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 1,905 clinicians in this Medicare group
NPI 1033218128 (773) 702-1530
Endeavor Health Medical Group
19 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

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.

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.
70 services22 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
30 services30 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
21 services21 patients

Hospital Affiliations CMS Care Compare

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

Swedish Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140114
Location5145 N California AveChicago, IL 60625 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60637 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
$183.39 typical visit price
range $60.08 – $183.39
Typical copayment $45.84 (range $15.02 – $45.84)
Most-billed visit code 99205
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
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.

97.71/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality75.43
Promoting Interoperability100
Improvement Activities40

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.

ALICE LI MD
Psychiatry & Neurology (Psychiatry)
5841 S MARYLAND AVE # MC3077
CHICAGO, IL 60637
Cook County (773) 834-0373
SAMUEL ROBERT BUNTING
Psychiatry & Neurology (Psychiatry)
5841 S MARYLAND AVE # MC3077
CHICAGO, IL 60637
Cook County (773) 834-0373
ANAMEEKA SINGH LYMAN MD
Psychiatry & Neurology (Psychiatry)
5841 S MARYLAND AVE # MC3077
CHICAGO, IL 60637
Cook County (773) 702-0529
GEORGE ANDREW HELDING MD
Student in an Organized Health Care Education/Training Program
5841 S MARYLAND AVE # MC3077
CHICAGO, IL 60637
Cook County (773) 702-0529
VICTORIA OLUSEYI OGUNNIYI
Psychiatry & Neurology (Psychiatry)
5841 S MARYLAND AVE # MC3077
CHICAGO, IL 60637
Cook County (773) 702-0529
DENA OAKLANDER
Psychiatry & Neurology (Child & Adolescent Psychiatry)
5841 S MARYLAND AVE # MC3077
CHICAGO, IL 60637
Cook County (773) 834-0373
DANIELLE MENSAH
Student in an Organized Health Care Education/Training Program
5841 S MARYLAND AVE # MC3077
CHICAGO, IL 60637
Cook County (773) 702-0529
DR. JOREL MARTINEZ M.D.
Psychiatry & Neurology (Psychiatry)
5841 S MARYLAND AVE # MC3077
CHICAGO, IL 60637
Cook County (773) 702-8595

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 Stephen Marcoux's NPI number?

The NPI number for Stephen Marcoux is 1467862144. It was assigned to this individual provider in the NPPES registry on May 2, 2014.

Where is Stephen Marcoux located?

Stephen Marcoux practices at 5841 S Maryland Ave # Mc3077, Chicago, IL 60637. The listed phone number is (773) 702-3858.

What is Stephen Marcoux's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Stephen Marcoux enrolled in Medicare?

Yes. Stephen Marcoux 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.

Which organizations bill Medicare for Stephen Marcoux's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Marcoux reassigns Medicare benefits to 2 organizations: The University Of Chicago Medical Center (Chicago, IL) and Endeavor Health Medical Group (Evanston, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephen Marcoux's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephen Marcoux accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Stephen Marcoux as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Stephen Marcoux affiliated with any hospitals?

According to CMS data, Stephen Marcoux is affiliated with Swedish Hospital.

When was this NPI record last updated?

The NPPES record for Stephen Marcoux was last updated on May 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.