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DR. IRINA O. DUDAR M.D.
NPI 1689600835
Anesthesiology in Lincolnwood, IL

Active since June 22, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 14D1058342 · Waiver
4656 W TOUHY AVE, LINCOLNWOOD, IL 60712(847) 972-2202(847) 512-4353 Get Directions Write a Review

NPPES record last updated: August 28, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Irina O. Dudar M.d. NPPES

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

DR. IRINA O. DUDAR M.D. (NPI 1689600835) is an individual anesthesiology provider in Lincolnwood, Illinois, licensed in Illinois (036107984) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through September 4, 2028, and is affiliated with Northshore University Healthsystem - Evanston Hospital.

NPPES Registry Identity

NPI1689600835
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. IRINA O. DUDARCredential: M.D.
Location Address4656 W TOUHY AVELincolnwood, IL 60712-1656
Mailing Address2800 N Lake Shore Dr Apt 3609Chicago, IL 60657-6254 · (773) 975-1971 · Fax (773) 975-1971
Phone(847) 972-2202
Fax(847) 512-4353
Sole ProprietorYes
Medical School CMSOtherGraduated 1989
Enumeration DateJune 22, 2006
Last NPPES UpdateAugust 28, 2008
✔ NPI 1689600835 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in IL · 036107984
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedAnesthesiology · Pain MedicineTaxonomy 207LP2900X · License 036-107984 (IL)
Also ListedFamily MedicineTaxonomy 207Q00000X · License 036107984 (IL)
4656 W TOUHY AVE, Lincolnwood, IL 60712
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Other Identifiers 4

Medicaid036107984IL
Medicare UPINI19546IL
Medicare PIN213850IL
Other01636513IL · Bcbs

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. Irina O. Dudar 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 ID1759343056
PECOS Enrollment IDI20060822000609
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

5

Medicare enrollment records show Irina Dudar reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Interventional Pain Medicine Of Chicago Sc
0.3 mi
Pain Medicine
4433 W TOUHY AVE STE 235
Lincolnwood, IL 60712
  • Reassigned Medicare billing, Illinois enrollment
NPI 1144844036 (847) 972-2202
Endeavor Health Medical Group
4.7 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235
Midwest Anesthesiologists, Ltd.
20 mi
Interventional Pain Medicine
4440 W 95TH ST
Oak Lawn, IL 60453
  • Reassigned Medicare billing, Illinois enrollment
  • 93 clinicians in this Medicare group
NPI 1447209390 (708) 684-8000
American Anesthesiology Associates Of Illinois, S.C.
34 mi
Anesthesiology
19627 S LA GRANGE RD
Mokena, IL 60448
  • Reassigned Medicare billing, Illinois enrollment
  • 208 clinicians in this Medicare group
NPI 1962512335 (800) 243-3839
North American Partners In Anesthesia (illinois), LLC
182 mi
Anesthesiology
800 E CARPENTER ST
Springfield, IL 62769
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group
NPI 1699032524 (630) 990-9729

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D1058342

Irina Dudar M D · Lincolnwood, IL
Active · expires Sep 4, 2028
CLIA Number14D1058342
Laboratory TypePhysician Office
Certificate Effective DateSeptember 5, 2026
Certificate Expiration DateSeptember 4, 2028
Laboratory DirectorIrina O. Dudar
Laboratory Phone(847) 972-2202
Laboratory LocationIrina Dudar M D4433 W Touhy Ave Ste. 235, Lincolnwood, IL 60712
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 12

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.

Aspiration and/or injection of fluid large joint using ultrasound guidance 20611
This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.
532 services88 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.
437 services105 patients
Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose J7321
Hyaluronan or derivatives like Hyalgan, Supartz, or Visco-3, are used in intra-articular injections for joint pain relief. They help by improving joint lubrication, reducing inflammation, and promoting tissue healing. Each dose is administered directly into the joint space.
382 services60 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.
358 services82 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
95 services29 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
65 services43 patients

Hospital Affiliations CMS Care Compare 5

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

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140010
Location2650 Ridge AveEvanston, IL 60201 · Cook County
Emergency services Birthing friendly

Advocate Trinity Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140048
Location2320 E 93rd StChicago, IL 60617 · Cook County
Emergency services Birthing friendly

Swedish Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140114
Location5145 N California AveChicago, IL 60625 · Cook County
Emergency services Birthing friendly

Presence Saint Joseph Hospital - Chicago

Acute Care Hospitals · Chicago, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140224
Location2900 North Lake Shore DriveChicago, IL 60657 · Cook 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

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DEPENDABLE NURSING HOME HEALTH INC.-HME DIVISION
Durable Medical Equipment & Medical Supplies
4656 W TOUHY AVE, SUITE 2000
LINCOLNWOOD, IL 60712
Cook County (847) 677-2919
EDUARD ZINGER MD
Internal Medicine
4656 W TOUHY AVE
LINCOLNWOOD, IL 60712
Cook County (773) 412-6123
MUSTANG TRANSPORTATION INC
Non-emergency Medical Transport (VAN)
4656 W TOUHY AVE, SUITE 500
LINCOLNWOOD, IL 60712
Cook County (847) 329-1275
ZINGER MEDICAL OFFICES SC
Internal Medicine
4656 W TOUHY AVE
LINCOLNWOOD, IL 60712
Cook County (773) 412-6123

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 Irina Dudar's NPI number?

The NPI number for Irina Dudar is 1689600835. It was assigned to this individual provider in the NPPES registry on June 22, 2006.

Where is Irina Dudar located?

Irina Dudar practices at 4656 W Touhy Ave, Lincolnwood, IL 60712. The listed phone number is (847) 972-2202.

What is Irina Dudar's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Irina Dudar enrolled in Medicare?

Yes. Irina Dudar 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 Irina Dudar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Irina Dudar reassigns Medicare benefits to 5 organizations: Interventional Pain Medicine Of Chicago Sc (Lincolnwood, IL), Endeavor Health Medical Group (Evanston, IL), Midwest Anesthesiologists, Ltd. (Oak Lawn, IL), American Anesthesiology Associates Of Illinois, S.C. (Mokena, IL) and North American Partners In Anesthesia (illinois), LLC (Springfield, 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 Irina Dudar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Does Irina Dudar hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D1058342) is associated with this NPI, valid through September 4, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

Is Irina Dudar affiliated with any hospitals?

According to CMS data, Irina Dudar is affiliated with Northshore University Healthsystem - Evanston Hospital, Advocate Trinity Hospital, Swedish Hospital, Presence Saint Joseph Hospital - Chicago and Northwestern Medicine Central Dupage Hospital.

When was this NPI record last updated?

The NPPES record for Irina Dudar was last updated on August 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.