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MRS. JAMIE SUE JANUSZYK M.D.
NPI 1174841316
Obstetrics & Gynecology - Obstetrics in Downers Grove, IL

Active since May 12, 2010PECOS EnrolledAccepts Medicare Assignment
3815 HIGHLAND AVE, DOWNERS GROVE, IL 60515(630) 275-5900 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 10, 2026, Jun 25, 2025, Mar 5, 2025 and 1 more (4 updates tracked since 2022).

About Mrs. Jamie Sue Januszyk M.d. NPPES

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

MRS. JAMIE SUE JANUSZYK M.D. (NPI 1174841316) is an individual obstetrics provider in Downers Grove, Illinois, licensed in Illinois (036-134811) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Rush Medical College Of Rush University (2010).

NPPES Registry Identity

NPI1174841316
Entity TypeIndividualFemale
Primary Taxonomy207VX0000X
Provider Legal NameMRS. JAMIE SUE JANUSZYKCredential: M.D.
Location Address3815 HIGHLAND AVEDowners Grove, IL 60515-1500
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(630) 275-5900
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 2010
Enumeration DateMay 12, 2010
Last NPPES UpdateMarch 10, 20264 updates tracked since enumeration
NPPES CertifiedMarch 10, 2026
✔ NPI 1174841316 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · ObstetricsAllopathic & Osteopathic Physicians
Taxonomy Code207VX0000X
License✔ Licensed in IL · 036-134811
Definition
A physician who specializes in diagnosis, treatment, and management of patients with obstetric conditions. Source: National Uniform Claim Committee
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 036134811 (IL)
3815 HIGHLAND AVE, Downers Grove, IL 60515
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11875 Dempster St Ste 330Park Ridge, IL 60068-1127 · Phone (847) 655-8500 · Fax (847) 825-7047
Location 25207 Main StDowners Grove, IL 60515-4652 · Phone (630) 969-7706

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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

Mrs. Jamie Sue Januszyk 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 ID3476772211
PECOS Enrollment IDI20140910000644
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 Reassignment

Medicare enrollment records show Jamie Januszyk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advocate Health And Hospitals Corporation
Same address
General Acute Care Hospital
3815 HIGHLAND AVE
Downers Grove, IL 60515
  • Reassigned Medicare billing, Illinois enrollment
  • Also billed through NPI 1003542184 (Illinois)
  • 4,870 clinicians in this Medicare group
NPI 1578670543 (630) 275-5900

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60515 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
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.

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.

STEPHANIE WOLFF PA-C
Physician Assistant
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 275-5900
ABIGAIL MAZUREK
Physical Therapist
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 275-5900
DR. MICHAEL J IWANICKI D.O.
Surgery
3815 HIGHLAND AVE, TOWER 2, SUITE 107
DOWNERS GROVE, IL 60515
Dupage County (630) 275-7800
TRAUMA AND SURGICAL SPECIALISTS OF DUPAGE, LLC
Surgery
3815 HIGHLAND AVE, TOWER 2, SUITE 107
DOWNERS GROVE, IL 60515
Dupage County (630) 275-7800
DR. JUSTIN GRIFFITH MILLER M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 324-7913
ZACHARY JOHN BASTIAN M.D.
Anesthesiology
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 275-5900
MANISA BAKER APN
Clinical Nurse Specialist (Acute Care)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 275-5900
MARY SUE DAILEY APRN
Clinical Nurse Specialist (Adult Health)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 275-5900

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 Jamie Januszyk's NPI number?

The NPI number for Jamie Januszyk is 1174841316. It was assigned to this individual provider in the NPPES registry on May 12, 2010.

Where is Jamie Januszyk located?

Jamie Januszyk practices at 3815 Highland Ave, Downers Grove, IL 60515. The listed phone number is (630) 275-5900.

What is Jamie Januszyk's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.

Is Jamie Januszyk enrolled in Medicare?

Yes. Jamie Januszyk 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 organization bills Medicare for Jamie Januszyk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jamie Januszyk reassigns Medicare benefits to Advocate Health And Hospitals Corporation (Downers Grove, IL). The 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 Jamie Januszyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jamie Januszyk accept?

Health plans from Oscar Health list Jamie Januszyk 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.

When was this NPI record last updated?

The NPPES record for Jamie Januszyk was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.