1. Home
  2. Directory
  3. Illinois
  4. Libertyville
  5. Internal Medicine
  6. NPI Profile

DR. OMAR DALLOUL M.D.
NPI 1336197367
Internal Medicine - Nephrology in Libertyville, IL

Active since May 04, 2006PECOS EnrolledAccepts Medicare Assignment
1860 W WINCHESTER RD, STE 107, LIBERTYVILLE, IL 60048(847) 247-1010(847) 247-1011 Get Directions Write a Review

NPPES record last updated: March 21, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Omar Dalloul M.d. NPPES

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

DR. OMAR DALLOUL M.D. (NPI 1336197367) is an individual nephrology provider in Libertyville, Illinois, licensed in Illinois (036088845) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and is a graduate of Other (1981).

NPPES Registry Identity

NPI1336197367
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. OMAR DALLOULCredential: M.D.
Location Address1860 W WINCHESTER RD, STE 107Libertyville, IL 60048-5312
Mailing Address1860 W Winchester Rd, Ste 107Libertyville, IL 60048-5312 · (847) 247-1010 · Fax (847) 247-1011
Phone(847) 247-1010
Fax(847) 247-1011
Sole ProprietorYes
Medical School CMSOtherGraduated 1981
Enumeration DateMay 4, 2006
Last NPPES UpdateMarch 21, 2018
✔ NPI 1336197367 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in IL · 036088845
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036088845 (IL)
1860 W WINCHESTER RD, Libertyville, IL 60048
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

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. Omar Dalloul 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 ID6204832868
PECOS Enrollment IDI20061005000056
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 Reassignment

Medicare enrollment records show Omar Dalloul reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kidney Health Center LLC
0.3 mi
Nephrology
1860 W WINCHESTER RD STE 107
Libertyville, IL 60048
  • Reassigned Medicare billing, Illinois enrollment
NPI 1225848435 (847) 247-1010

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 6

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
388 services35 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
262 services31 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.
132 services55 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
70 services38 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.
34 services25 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.
14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140130
Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County
Emergency services Birthing friendly

Advocate Condell Medical Center

Acute Care Hospitals · Libertyville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140202
Location801 S Milwaukee AveLibertyville, IL 60048 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60048 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.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Azathioprine, oral, 50 mg J7500
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier12 claims720 services$1.16 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier12 claims1,800 services$0.01 avg. paid by Medicare
Elevating leg rests, pair (for use with capped rental wheelchair base) K0195
DME-Wheelchairs · category DD021N
2 suppliers11 claims11 services$6.36 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers12 claims12 services$192.66 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
1 supplier12 claims12 services$18.96 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
1 supplier12 claims12 services$12.64 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

JESSICA ROSE
Behavior Analyst
1860 W WINCHESTER RD
LIBERTYVILLE, IL 60048
Lake County (847) 573-9486
TIMOTHY WILE
Counselor (Mental Health)
1860 W WINCHESTER RD
LIBERTYVILLE, IL 60048
Lake County (847) 816-6335
CHRISTINE NICOLE FRIEDRICHS M.S., CCC-SLP
Speech-Language Pathologist
1860 W WINCHESTER RD, SUITE 108
LIBERTYVILLE, IL 60048
Lake County (847) 573-9486
JETZIBIE RIOS
Behavior Technician
1860 W WINCHESTER RD
LIBERTYVILLE, IL 60048
Lake County (847) 573-9486
MRS. DEVIDA MICHELLE BRAVERMAN M.A., CCC-SLP
Speech-Language Pathologist
1860 W WINCHESTER RD
LIBERTYVILLE, IL 60048
Lake County (847) 573-9486
LAURA HEXAMER
Occupational Therapist (Pediatrics)
1860 W WINCHESTER RD, SUITE 108
LIBERTYVILLE, IL 60048
Lake County (847) 573-9486
REBECCA KAYLEEN SHAPIRO
Counselor (Mental Health)
1860 W WINCHESTER RD
LIBERTYVILLE, IL 60048
Lake County (847) 816-6335
LEONARD GILBERT RN
Nurse Practitioner (Psychiatric/Mental Health)
1860 W WINCHESTER RD
LIBERTYVILLE, IL 60048
Lake County (630) 319-8700

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 Omar Dalloul's NPI number?

The NPI number for Omar Dalloul is 1336197367. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Omar Dalloul located?

Omar Dalloul practices at 1860 W Winchester Rd Ste 107, Libertyville, IL 60048. The listed phone number is (847) 247-1010.

What is Omar Dalloul's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Omar Dalloul enrolled in Medicare?

Yes. Omar Dalloul 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 organization bills Medicare for Omar Dalloul's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Omar Dalloul reassigns Medicare benefits to Kidney Health Center LLC (Libertyville, IL). The 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 Omar Dalloul's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Omar Dalloul accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Omar Dalloul as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Omar Dalloul affiliated with any hospitals?

According to CMS data, Omar Dalloul is affiliated with Northwestern Lake Forest Hospital and Advocate Condell Medical Center.

When was this NPI record last updated?

The NPPES record for Omar Dalloul was last updated on March 21, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.