NPPES file of Aug 9, 2026

Oluwakemi Udeogu, APN

Nurse Practitioner · Downers Grove, IL

Oluwakemi Udeogu, APN is a nurse practitioner with a practice address in Downers Grove, Illinois, and NPI 1891187423, issued on Feb 18, 2015. Check the license (Illinois 209.012536, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891187423
Name
Oluwakemi Udeogu
Credential
APN
Primary taxonomy
Nurse Practitioner 363L00000X
License number
209.012536 IL
Self-reported in NPPES; status is on the state search
Practice location
1441 Branding Ave, Downers Grove, IL 60515
Phone
(630) 829-1038
Enumerated
Feb 18, 2015
Record last updated
Apr 20, 2022
Fax
(630) 829-1080
Medicare enrollment
Enrolled (PECOS I20150429002031); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Also registered at 1441 Branding Ave

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

  1. Susan Dames, LCSWClinical Social Worker1477964138
  2. Mary Gewargis, ANP-BCAdult Health Nurse Practitioner1437441318
  3. Betty Hawkins-Smith, FNPFamily Nurse Practitioner1295838357
  4. Kathryn Heyduck, APNPrimary Care Nurse Practitioner1700335668
  5. Lyudmyla Ilyash, FNP-CFamily Nurse Practitioner1669836896
  6. Carolyn Mendez, ANP-BCAdult Health Nurse Practitioner1154631422

Verify Oluwakemi Udeogu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209.012536
    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
Find 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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30% fewer Medicare Part D claims than the average nurse practitioner in 2024

776 Medicare Part D claims for 85 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 35 claims were for opioids.

  1. Oluwakemi Udeogu776
  2. Specialty average1,109

Most prescribed

  1. Gabapentin40 claims
  2. Pantoprazole Sodium27 claims
  3. Hydrocodone-Acetaminophen24 claims
  4. Amlodipine Besylate22 claims
  5. Furosemide20 claims
  6. Eliquis19 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $25.89

1 payment: food and beverage; the largest payer was Lundbeck LLC. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Oluwakemi Udeogu$25.89
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Advocate Health And Hospitals CorporationDowners Grove, IL
  2. Embrace Behavioral HealthLibertyville, IL

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

Oluwakemi Udeogu among 4,892 nurse practitioner records in Illinois

Oluwakemi Udeogu, APN is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 31% of them.

  • NPI issued2015 · 31% of these records are older, 64% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2014 · median 2018 among the 3,389 with a school on file
  • Record last updated2022 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

52 nurse practitioner records list a practice address in Downers Grove

They are 52 of the 1,899 NPPES records with a practice address in Downers Grove, and 4,892 nurse practitioner records in Illinois.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Crystal Cowan, FNP-BCDowners Grove, IL 605151609011261
  2. Maddalena Deneufbourg, CNPDowners Grove, IL 605151952461972
  3. Katrina Escarilla, R.N., A.P.N.,C.N.P.Downers Grove, IL 605151689881518
  4. Marikay Fitzpatrick, FAMILY MEDICINE NPDowners Grove, IL 605151336193002
  5. Victoria Kelly, APRNDowners Grove, IL 605151255324513
  6. Karen Knox, APNDowners Grove, IL 605151083796270
  7. Patricia May, NPDowners Grove, IL 605151821016213
  8. Kathy O'Grady, NPDowners Grove, IL 605151942235908

Common questions

What is Oluwakemi Udeogu, APN's NPI number?

Oluwakemi Udeogu, APN's National Provider Identifier (NPI) is 1891187423, issued on Feb 18, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Oluwakemi Udeogu, APN located?

The NPPES record lists a practice address at 1441 Branding Ave, Downers Grove, IL, 60515. Phone: (630) 829-1038. Providers update this record themselves, so call before visiting.

How can I verify Oluwakemi Udeogu, APN's license?

NPPES lists Illinois license number 209.012536, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Oluwakemi Udeogu, APN prescribe under Medicare Part D?

In 2024, Oluwakemi Udeogu, APN had 776 Medicare Part D claims for 85 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

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.

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.