OMAR MARWAN HAMOUI MD
NPI 1992058333
Internal Medicine - Cardiovascular Disease in Chicago, IL

Q: What is Omar Hamoui's NPI number?

The NPI number for Omar Hamoui is 1992058333. It was assigned to this individual provider in the NPPES registry on October 23, 2012.

Q: What is Omar Hamoui's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Omar Hamoui was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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 October 23, 2012PECOS EnrolledAccepts Medicare Assignment

2222 W DIVISION ST STE 100, CHICAGO, IL 60622(773) 326-2244 Get Directions Write a Review

NPPES record last updated: May 26, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 26, 2026, Mar 13, 2023, Feb 14, 2022 and 3 more (6 updates tracked since 2020).

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About Omar Marwan Hamoui Md NPPES

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

OMAR MARWAN HAMOUI MD (NPI 1992058333) is an individual cardiovascular disease provider in Chicago, Illinois, licensed in Illinois (036155258) and active in the NPI registry since October 2012. He is enrolled in Medicare PECOS, is affiliated with Adventist La Grange Memorial Hospital, and maintains a secondary practice location in Olympia Fields.

NPPES Registry Identity

NPI1992058333

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameOMAR MARWAN HAMOUICredential: MD

Location Address2222 W DIVISION ST STE 100Chicago, IL 60622-3093

Mailing Address229 Park AveClarendon Hills, IL 60514-1372 · (904) 909-1801

Phone(773) 326-2244

Sole ProprietorNo

Medical School CMSOtherGraduated 1995

Enumeration DateOctober 23, 2012

Last NPPES UpdateMay 26, 20266 updates tracked since enumeration

NPPES CertifiedMay 26, 2026

✔ NPI 1992058333 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in IL · 036155258

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License 036155258 (IL), ME109404 (FL)

2222 W DIVISION ST STE 100, Chicago, IL 60622

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Secondary Practice Location 1

Location 13800 W 203rd St Ste 202Olympia Fields, IL 60461-1185 · Phone (708) 852-2699

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.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

Omar Marwan Hamoui Md 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 ID7810925831

PECOS Enrollment IDI20210330000367

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 Omar Hamoui reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Prime Healthcare Illinois Medical Group LLC

13 mi

Multi-Specialty

2380 E DEMPSTER ST
Des Plaines, IL 60016

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

NPI 1023837689 (833) 291-0464

Adventist Health Partners, Inc

14 mi

Cardiovascular Disease

908 N ELM ST STE 404
Hinsdale, IL 60521

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

NPI 1912218850 (630) 789-3422

Upson Surgical Associates, LLC

648 mi

Surgery

612 WEST GORDON STREET, SUITE E
Thomaston, GA 30286

Reassigned Medicare billing, Georgia enrollment
36 clinicians in this Medicare group

NPI 1790076974 (706) 647-3116

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 10

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

417 services346 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

290 services152 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.

228 services157 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

132 services119 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.

100 services72 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

47 services43 patients

Hospital Affiliations CMS Care Compare 5

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

Adventist La Grange Memorial Hospital

Acute Care Hospitals · La Grange, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140065

Location5101 S Willow Springs RdLa Grange, IL 60525 · Cook County

Emergency services

Adventist Hinsdale Hospital

Acute Care Hospitals · Hinsdale, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140122

Location120 North Oak StHinsdale, IL 60521 · Du Page County

Emergency services Birthing friendly

Franciscan Health Olympia & Chicago Heights

Acute Care Hospitals · Olympia Fields, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140172

Location20201 S Crawford AvenueOlympia Fields, IL 60461 · Cook County

Emergency services Birthing friendly

Presence Mercy Medical Center

Acute Care Hospitals · Aurora, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140174

Location1325 N Highland AvenueAurora, IL 60506 · Kane County

Emergency services Birthing friendly

Uchicago Medicine Adventhealth Bolingbrook

Acute Care Hospitals · Bolingbrook, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140304

Location500 Remington BoulevardBolingbrook, IL 60440 · Will County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60622 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

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

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 2

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

DR. RISHI PANDYA

Internal Medicine (Interventional Cardiology)

2222 W DIVISION ST STE 100
CHICAGO, IL 60622

Cook County (773) 326-2244

DR. SWAPNA GUDIPATI M.D.

Internal Medicine (Interventional Cardiology)

2222 W DIVISION ST STE 100
CHICAGO, IL 60622

Cook County (773) 326-2244

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 Hamoui's NPI number?

The NPI number for Omar Hamoui is 1992058333. It was assigned to this individual provider in the NPPES registry on October 23, 2012.

Where is Omar Hamoui located?

Omar Hamoui practices at 2222 W Division St Ste 100, Chicago, IL 60622. The listed phone number is (773) 326-2244.

What is Omar Hamoui's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Omar Hamoui enrolled in Medicare?

Yes. Omar Hamoui 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 Omar Hamoui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Omar Hamoui reassigns Medicare benefits to 3 organizations: Prime Healthcare Illinois Medical Group LLC (Des Plaines, IL), Adventist Health Partners, Inc (Hinsdale, IL) and Upson Surgical Associates, LLC (Thomaston, GA). 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 Omar Hamoui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Omar Hamoui accept?

Health plans from Oscar Health list Omar Hamoui 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 Hamoui affiliated with any hospitals?

According to CMS data, Omar Hamoui is affiliated with Adventist La Grange Memorial Hospital, Adventist Hinsdale Hospital, Franciscan Health Olympia & Chicago Heights, Presence Mercy Medical Center and Uchicago Medicine Adventhealth Bolingbrook.

When was this NPI record last updated?

The NPPES record for Omar Hamoui was last updated on May 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.