Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANTOINE RIZK M.D.
NPI 1568411403
Internal Medicine - Cardiovascular Disease in Biloxi, MS

Active since May 09, 2006PECOS Enrolled
93.1/100
CMS Quality Rating
1720A MEDICAL PARK DR, SUITE 340, BILOXI, MS 39532(228) 392-7429(228) 396-3830 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Sep 23, 2016 (2 updates tracked since 2016).

About Antoine Rizk M.d. NPPES

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

ANTOINE RIZK M.D. (NPI 1568411403) is an individual cardiovascular disease provider in Biloxi, Mississippi, licensed in Mississippi (16627) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Merit Health Biloxi, and is a graduate of Other (1990).

NPPES Registry Identity

NPI1568411403
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameANTOINE RIZKCredential: M.D.
Location Address1720A MEDICAL PARK DR, SUITE 340Biloxi, MS 39532-2129
Mailing Address1391 Broad Ave, Ste AGulfport, MS 39501-2419 · (228) 392-7429 · Fax (228) 396-3830
Fax(228) 396-3830
Sole ProprietorNo
Medical School CMSOtherGraduated 1990
Enumeration DateMay 9, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1568411403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in MS · 16627
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.
1720A MEDICAL PARK DR, Biloxi, MS 39532

Other Identifiers 1

Medicaid00121861MS

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Antoine Rizk 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 ID7113967324
PECOS Enrollment IDI20050506000534
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.

Areas of Expertise CMS Part B claims 58

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.

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.
2,154 services1,034 patients
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.
2,130 services1,324 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
810 services731 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.
621 services235 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
380 services334 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.
345 services272 patients

Hospital Affiliations CMS Care Compare 5

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

Merit Health Biloxi

Acute Care Hospitals · Biloxi, MS
2/5 CMS rating
OwnershipProprietary
CMS Certification Number250007
Location150 Reynoir StreetBiloxi, MS 39530 · Harrison County
Emergency services Birthing friendly

Memorial Hospital At Gulfport

Acute Care Hospitals · Gulfport, MS
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number250019
Location4500 13th StreetGulfport, MS 39502 · Harrison County
Emergency services Birthing friendly

Singing River Health System

Acute Care Hospitals · Pascagoula, MS
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number250040
Location2809 Denny AvenuePascagoula, MS 39581 · Jackson County
Emergency services Birthing friendly

Singing River Gulfport

Acute Care Hospitals · Gulfport, MS
1/5 CMS rating
OwnershipProprietary
CMS Certification Number250123
Location15200 Community RoadGulfport, MS 39503 · Harrison County
Emergency services

Ochsner Medical Center-Hancock

Acute Care Hospitals · Bay Saint Louis, MS
OwnershipGovernment - Local
CMS Certification Number250162
Location149 Drinkwater BlvdBay Saint Louis, MS 39520 · Hancock County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39532 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
$120.41 typical visit price
range $51.65 – $159.18
Typical copayment $30.10 (range $12.91 – $39.79)
Most-billed visit code 99204
Established Patient
$64.96 typical visit price
range $16.15 – $129.61
Typical copayment $16.24 (range $4.03 – $32.40)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality83.08
Promoting Interoperability88
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 5

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
4 suppliers102 claims102 services$17.43 avg. paid by Medicare
Humidifier, heated, used with positive airway pressure device E0562
DME-Other DME · category DE001N
1 supplier23 claims23 services$14.85 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
1 supplier27 claims27 services$38.25 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
6 suppliers201 claims202 services$86.53 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
4 suppliers38 claims38 services$32.29 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.

Internal Medicine (Cardiovascular Disease)
1720A MEDICAL PARK DR, SUITE 340
BILOXI, MS 39532
Plastic Surgery
1720A MEDICAL PARK DR, STE 140
BILOXI, MS 39532
Internal Medicine (Cardiovascular Disease)
1720A MEDICAL PARK DR, SUITE 340
BILOXI, MS 39532
Obstetrics & Gynecology
1720A MEDICAL PARK DR, SUITE 130
BILOXI, MS 39532
Obstetrics & Gynecology
1720A MEDICAL PARK DR, SUITE 130
BILOXI, MS 39532
Physical Therapist
1720A MEDICAL PARK DR, SUITE 210
BILOXI, MS 39532
Internal Medicine (Cardiovascular Disease)
1720A MEDICAL PARK DR, SUITE 340
BILOXI, MS 39532
Plastic Surgery
1720A MEDICAL PARK DR, SUITE 140
BILOXI, MS 39532

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 Antoine Rizk's NPI number?

The NPI number for Antoine Rizk is 1568411403. It was assigned to this individual provider in the NPPES registry on May 9, 2006.

Where is Antoine Rizk located?

Antoine Rizk practices at 1720A Medical Park Dr Suite 340, Biloxi, MS 39532. The listed phone number is (228) 392-7429.

What is Antoine Rizk's specialty?

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

Is Antoine Rizk enrolled in Medicare?

Yes. Antoine Rizk 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.

What insurance does Antoine Rizk accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of Tennessee and 2 other insurers list Antoine Rizk 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 Antoine Rizk affiliated with any hospitals?

According to CMS data, Antoine Rizk is affiliated with Merit Health Biloxi, Memorial Hospital At Gulfport, Singing River Health System, Singing River Gulfport and Ochsner Medical Center-Hancock.

When was this NPI record last updated?

The NPPES record for Antoine Rizk was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.