NPPES file of Aug 9, 2026

Jamie Sue Januszyk, M.D.

Obstetrics Physician · Downers Grove, IL

Jamie Sue Januszyk, M.D. is an obstetrics physician with a practice address in Downers Grove, Illinois, and NPI 1174841316, issued on May 12, 2010. Check the license (Illinois 036-134811, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174841316
Name
Jamie Sue Januszyk
Credential
M.D.
Primary taxonomy
Obstetrics Physician 207VX0000X
License numbers
036-134811 IL
036134811 IL
Self-reported in NPPES; status is on the state search
Practice location
3815 Highland Ave, Downers Grove, IL 60515
Phone
(630) 275-5900
Enumerated
May 12, 2010
Record last updated
Mar 10, 2026
Medicare enrollment
Enrolled (PECOS I20140910000644); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest obstetrics physician records → All 54 in Illinois → Look up another NPI →

Also registered at 3815 Highland Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sadiqa Abbas, M.D.Interventional Pain Medicine Physician1528010634
  2. Nicole Ahrens, CRNACertified Registered Nurse Anesthetist1578154340
  3. Aristides Alexander, M.D.Emergency Medicine Physician1881009082
  4. Yorleni Ambrosio, RN, CNSNeonatal Intensive Care Registered Nurse1720465065
  5. Manisa Baker, APNAcute Care Clinical Nurse Specialist1023479508
  6. Michelle BankheadSurgical Assistant1568921039

Verify Jamie Sue Januszyk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-134811    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Advocate Health And Hospitals CorporationBuffalo Grove, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jamie Sue Januszyk among 54 obstetrics physician records in Illinois

Jamie Sue Januszyk, M.D. is one of 54 obstetrics physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 59% of them.

  • NPI issued2010 · 59% of these records are older, 39% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2010 · median 2005 among the 35 with a school on file
  • Record last updated2026 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics Physician providers in Illinois

There are 54 obstetrics physician records in Illinois.

All 54 in Illinois → Every provider in Downers Grove → Obstetrics Physician nationwide →

The 8 obstetrics physician records with the nearest ZIP codes

  1. Medha Amin, MDDowners Grove, IL 605151912197534
  2. Kanika Sood, M.D.Downers Grove, IL 605151982982096
  3. Lindsey Malone, M.D.Willowbrook, IL 605271134361454
  4. Ann West, MDSandwich, IL 605481801816277
  5. Alan Luke, MDOak Lawn, IL 604531831255728
  6. Cerise Bush, MDFrankfort, IL 604231053567099
  7. Heather Bouma-Johnston, MDChicago, IL 606121376172049
  8. Brittany Cureton, MD, MPHChicago, IL 606121598518607

Common questions

What is Jamie Sue Januszyk, M.D.'s NPI number?

Jamie Sue Januszyk, M.D.'s National Provider Identifier (NPI) is 1174841316, issued on May 12, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Jamie Sue Januszyk, M.D. located?

The NPPES record lists a practice address at 3815 Highland Ave, Downers Grove, IL, 60515. Phone: (630) 275-5900. Providers update this record themselves, so call before visiting.

How can I verify Jamie Sue Januszyk, M.D.'s license?

NPPES lists Illinois license number 036-134811, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.