DR. LIGIA N RIOJA M.D.
NPI 1700871787
Psychiatry & Neurology - Neurology in Elmhurst, IL

Q: What is Ligia Rioja's NPI number?

The NPI number for Ligia Rioja is 1700871787. It was assigned to this individual provider in the NPPES registry on September 15, 2005.

Q: What is Ligia Rioja's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Ligia Rioja was last updated on February 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since September 15, 2005PECOS EnrolledAccepts Medicare Assignment

1200 S YORK ST, STE 3160, ELMHURST, IL 60126(331) 221-9090(331) 221-3996 Get Directions Write a Review

NPPES record last updated: February 1, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Ligia N Rioja M.d. NPPES

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

DR. LIGIA N RIOJA M.D. (NPI 1700871787) is an individual neurology provider in Elmhurst, Illinois, licensed in Illinois (036-102197) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and maintains a secondary practice location in Oak Brook.

NPPES Registry Identity

NPI1700871787

Entity TypeIndividualFemale

Primary Taxonomy2084N0400X

Provider Legal NameDR. LIGIA N RIOJACredential: M.D.

Location Address1200 S YORK ST, STE 3160Elmhurst, IL 60126-5626

Mailing Address1200 S York St, Ste 3160Elmhurst, IL 60126-5626 · (331) 221-9090 · Fax (331) 221-3996

Phone(331) 221-9090

Fax(331) 221-3996

Sole ProprietorNo

Medical School CMSRush Medical College Of Rush UniversityGraduated 1993

Enumeration DateSeptember 15, 2005

Last NPPES UpdateFebruary 1, 2024

NPPES CertifiedFebruary 1, 2024

✔ NPI 1700871787 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in IL · 036-102197

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

1200 S YORK ST, Elmhurst, IL 60126

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Secondary Practice Location 1

Location 11001 Commerce Dr Ste 500Oak Brook, IL 60523-8865 · Phone (630) 933-4056 · Fax (331) 732-4591

Other Identifiers 2

Medicaid036102197IL

Other130024569IL · Rr Medicare

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

Dr. Ligia N Rioja 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 ID8224032057

PECOS Enrollment IDI20110216000136

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

Medicare enrollment records show Ligia Rioja reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Edward Health Ventures

Same address

Clinic/Center

1200 S YORK ST, STE 3160
Elmhurst, IL 60126

Reassigned Medicare billing, Illinois enrollment
561 clinicians in this Medicare group

NPI 1275963027 (331) 221-9090

Rush University Medical Center

1.1 mi

Internal Medicine

2011 YORK ROAD, 2ND FLOOR
Oak Brook, IL 60523

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Rush University Medical Group
2,169 clinicians in this Medicare group

NPI 1801375696 (630) 724-1310

Northwestern Medical Faculty Foundation

21 mi

Multi-Specialty

DEPT 5777
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
4,817 clinicians in this Medicare group

NPI 1346235314 (855) 694-2866

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 7

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.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

59 services59 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

48 services48 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

47 services40 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

29 services29 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

26 services24 patients

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.

24 services18 patients

Hospital Affiliations CMS Care Compare 5

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

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140062

Location12251 South 80th AvenuePalos Heights, IL 60463 · Cook County

Emergency services Birthing friendly

Northwestern Medicine Mchenry

Acute Care Hospitals · Mchenry, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140116

Location4201 Medical Center DriveMchenry, IL 60050 · Mc Henry County

Emergency services Birthing friendly

Northwestern Medicine Delnor Community Hospital

Acute Care Hospitals · Geneva, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140211

Location300 Randall RdGeneva, IL 60134 · Kane County

Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140242

Location25 North Winfield RoadWinfield, IL 60190 · Du Page County

Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60126 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

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

Most-billed visit code 99214

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.

KELLY ABATE MD LLC

Dermatology

1200 S YORK ST, SUITE 3240
ELMHURST, IL 60126

Dupage County (630) 758-8688

NICOLE J MORRISSEY DPT

Physical Therapist

1200 S YORK ST
ELMHURST, IL 60126

Dupage County (331) 221-6050

DR. OMAR SHAMSI MD

Internal Medicine (Obesity Medicine)

1200 S YORK ST, SUITE 1240
ELMHURST, IL 60126

Dupage County (331) 221-6140

YOGEN YATIN PATEL

Physical Medicine & Rehabilitation (Sports Medicine)

1200 S YORK ST
ELMHURST, IL 60126

Dupage County (331) 221-9095

ROSALBA I RUBINO

Nurse Practitioner

1200 S YORK ST
ELMHURST, IL 60126

Dupage County (331) 221-1000

DR. ALEX BRYAN BEHAR M.D.

Physical Medicine & Rehabilitation

1200 S YORK ST
ELMHURST, IL 60126

Dupage County (331) 221-9095

DR. SARAH MARIA SARHADDI PSYD

Psychologist (Clinical)

1200 S YORK ST
ELMHURST, IL 60126

Dupage County (331) 221-6134

ASHLEY VERBUS

Nurse Practitioner

1200 S YORK ST
ELMHURST, IL 60126

Dupage County (630) 527-3200

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 Ligia Rioja's NPI number?

The NPI number for Ligia Rioja is 1700871787. It was assigned to this individual provider in the NPPES registry on September 15, 2005.

Where is Ligia Rioja located?

Ligia Rioja practices at 1200 S York St Ste 3160, Elmhurst, IL 60126. The listed phone number is (331) 221-9090.

What is Ligia Rioja's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Ligia Rioja enrolled in Medicare?

Yes. Ligia Rioja 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 Ligia Rioja's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ligia Rioja reassigns Medicare benefits to 3 organizations: Edward Health Ventures (Elmhurst, IL), Rush University Medical Center (Oak Brook, IL) and Northwestern Medical Faculty Foundation (Carol Stream, 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 Ligia Rioja's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Ligia Rioja affiliated with any hospitals?

According to CMS data, Ligia Rioja is affiliated with Palos Community Hospital, Northwestern Medicine Mchenry, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Ligia Rioja was last updated on February 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.