NPPES file of Aug 9, 2026

Ligia N. Rioja, M.D.

Neurology Physician · Elmhurst, IL

Ligia N. Rioja, M.D. is a neurology physician with a practice address in Elmhurst, Illinois, and NPI 1700871787, issued on Sep 15, 2005. Check the license (Illinois 036-102197, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700871787
Name
Ligia N. Rioja
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
036-102197 IL
Self-reported in NPPES; status is on the state search
Practice location
1200 S York St, Elmhurst, IL 60126
Phone
(331) 221-9090
Enumerated
Sep 15, 2005
Record last updated
Feb 1, 2024
Fax
(331) 221-3996
Medicaid ID
036102197 IL
Medicare enrollment
Enrolled (PECOS I20110216000136); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 1993
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 1200 S York St

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

  1. Diana Anton, APNAdult Health Nurse Practitioner1548486327
  2. Heather Bautista, LDN, N.D., CNSNutritionist1265982003
  3. Alex Behar, M.D.Physical Medicine & Rehabilitation Physician1184064099
  4. Derek Bohm, PASurgical Physician Assistant1437940186
  5. Mark Bordick, PA-CSurgical Physician Assistant1699728725
  6. Stephanie Bucz, RDRegistered Dietitian1770058877

Verify Ligia N. Rioja 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 036-102197
    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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67% fewer Medicare Part D claims than the average neurology physician in 2024

458 Medicare Part D claims for 154 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Ligia Rioja458
  2. Specialty average1,370

Most prescribed

  1. Donepezil Hcl73 claims
  2. Gabapentin68 claims
  3. Emgality Pen38 claims
  4. Memantine Hcl32 claims
  5. Levetiracetam27 claims
  6. Topiramate22 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.

Bills Medicare through one group practice

  1. Northwestern Medical Faculty FoundationOak Brook, IL

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

Ligia N. Rioja among 952 neurology physician records in Illinois

Ligia N. Rioja, M.D. is one of 952 neurology physician records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1993 · median 2006 among the 573 with a school on file
  • Record last updated2024 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Illinois

There are 952 neurology physician records in Illinois.

The 8 neurology physician records with the nearest ZIP codes

  1. Yasaman AdibniaElmhurst, IL 601261245857242
  2. Nauman Jahangir, M.D.Elmhurst, IL 601261265818405
  3. Arkadiy Konyukhov, M.D.Elmhurst, IL 601261689832933
  4. Donald Lussky, M.D.Elmhurst, IL 601261255447470
  5. Kevin McCoyd, M.D.,FAANElmhurst, IL 601261093821290
  6. Daniel O'Reilly, M.D.Elmhurst, IL 601261629184833
  7. Anna Sorokin, M.D.Elmhurst, IL 601261881861342
  8. Sana Syed, D.O.Elmhurst, IL 601261023496882

Common questions

What is Ligia N. Rioja, M.D.'s NPI number?

Ligia N. Rioja, M.D.'s National Provider Identifier (NPI) is 1700871787, issued on Sep 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ligia N. Rioja, M.D. located?

The NPPES record lists a practice address at 1200 S York St, Elmhurst, IL, 60126. Phone: (331) 221-9090. Providers update this record themselves, so call before visiting.

How can I verify Ligia N. Rioja, M.D.'s license?

NPPES lists Illinois license number 036-102197, 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.

How much does Ligia N. Rioja, M.D. prescribe under Medicare Part D?

In 2024, Ligia N. Rioja, M.D. had 458 Medicare Part D claims for 154 beneficiaries; the average among neurology physician prescribers was 1,370. 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.