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

Q: 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.

Q: What is Antoine Rizk'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 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 3 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 May 09, 2006PECOS EnrolledAccepts Medicare Assignment

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: October 25, 2026.

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

On this page

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

Phone(228) 392-7429

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

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Other Identifiers 1

Medicaid00121861MS

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter Health and more.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

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.

Medicare Billing Reassignment

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

Memorial Hospital At Gulfport

Same address

General Acute Care Hospital

1720B MEDICAL PARK DR
Biloxi, MS 39532

Reassigned Medicare billing, Mississippi enrollment
731 clinicians in this Medicare group

NPI 1215546635 (228) 702-2000

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 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

345 services272 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

344 services114 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.

285 services227 patients

Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298

This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.

261 services39 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.

187 services162 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

185 services182 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

175 services161 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

169 services168 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

158 services157 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

136 services136 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.

134 services129 patients

Programming of dual lead pacemaker system 93280

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

131 services96 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.

130 services130 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

123 services119 patients

Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional 93228

An Electrocardiogram (ECG) is a non-invasive test that records the electrical signals in your heart. For up to 30 days, a small device will continuously monitor your heart's activity. A healthcare professional will then review the data and provide a report on your heart's function.

122 services121 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

105 services91 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

85 services69 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 93295

This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.

83 services32 patients

Remote monitoring of pulmonary artery pressure sensor, up to 30 days 93264

Remote monitoring of pulmonary artery pressure is a procedure where a sensor, placed in your lung artery, transmits data about your heart's function for up to 30 days. This helps doctors monitor your heart health remotely, ensuring timely intervention if needed.

79 services13 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

79 services67 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

62 services62 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

59 services49 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

57 services48 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

57 services46 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

44 services41 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

40 services39 patients

Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928

This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.

39 services33 patients

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.

36 services23 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system 93288

An evaluation of a pacemaker system examines how well your heart device is working. Single, dual, multiple lead, or leadless refers to the wires that deliver electrical pulses from the pacemaker to your heart. This check ensures your heart is receiving the right amount of support from the device.

35 services25 patients

Programming of single lead pacemaker system 93279

Programming of a single lead pacemaker system involves adjusting the pacemaker's settings to suit your heart's unique needs. This is done using a special device that communicates with the pacemaker, ensuring it helps your heart beat at an optimal rate.

33 services28 patients

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

28 services28 patients

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

26 services24 patients

Remote monitoring of pulmonary artery pressure sensor, up to 30 days 93264

23 services11 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

22 services22 patients

Insertion of permanent leadless pacemaker using imaging guidance 33274

A permanent leadless pacemaker is a small device placed in the heart to regulate its rhythm. Using imaging guidance, the pacemaker is inserted through a vein in the leg, traveling up to the heart. It's a less invasive procedure than traditional pacemaker implantation.

18 services18 patients

Programming of dual lead pacemaker system 93280

18 services18 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

18 services17 patients

Ultrasound study of arm and leg arteries 93922

An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.

18 services18 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 93351

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

17 services17 patients

Insertion of tube in left lower heart chamber, coronary artery and bypass graft for diagnosis with review by radiologist 93459

This procedure involves placing a tube into your left lower heart chamber, coronary artery, and bypass graft. It's done for diagnostic purposes and is carefully reviewed by a radiologist. This helps determine the health of your heart and arteries, aiding in future treatment plans.

17 services16 patients

Removal and replacement of dual lead permanent pacemaker 33228

This procedure involves removing an old dual lead pacemaker and replacing it with a new one. A pacemaker helps regulate your heart's rhythm. The dual lead model has two wires connecting to your heart to improve its electrical signaling. The replacement is done under local anesthesia.

15 services15 patients

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

15 services15 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

15 services15 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.

15 services15 patients

Insertion of heart rhythm monitor under skin 33285

The insertion of a heart rhythm monitor under the skin is a procedure to track your heart's activity. A small device is placed under your skin, recording your heart's rhythms continuously. This helps identify irregular heartbeats or conditions, aiding in your treatment.

14 services14 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

13 services13 patients

Ct scan of blood vessels and grafts of heart with contrast 75574

A CT scan of the heart's blood vessels and grafts with contrast is a diagnostic test. A special dye (contrast) is injected into your veins, which helps create clear images of your heart's vessels and grafts. This helps doctors detect blockages or other abnormalities.

12 services12 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 93295

12 services12 patients

Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist 93460

This procedure involves placing a tube into the heart chambers and coronary artery. It helps diagnose heart conditions. A radiologist reviews the images obtained. It's a standard, safe procedure performed by experienced medical professionals.

12 services12 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

12 services12 patients

Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298

11 services11 patients

Complete ultrasound of abdomen and pelvis artery and vein blood flow 93975

This procedure uses sound waves to create images of your abdomen and pelvis, specifically focusing on the arteries and veins. It helps in assessing the blood flow and detecting any abnormalities, ensuring your overall well-being.

11 services11 patients

Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes 99235

This service involves a brief hospital stay for a moderate health issue. You'll be admitted and discharged on the same day, typically within 50 minutes. It's a quick, efficient way to receive necessary care and medical attention.

11 services11 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

Quality

83.08

Promoting Interoperability

Improvement Activities

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.

EVA MAGIROS M.D.

Internal Medicine (Cardiovascular Disease)

1720A MEDICAL PARK DR, SUITE 340
BILOXI, MS 39532

Harrison County (228) 392-7429

DANIEL QUITMAN RICHARDSON MD

Plastic Surgery

1720A MEDICAL PARK DR, STE 140
BILOXI, MS 39532

Harrison County (228) 392-4454

PAUL E MULLEN M.D.

Internal Medicine (Cardiovascular Disease)

1720A MEDICAL PARK DR, SUITE 340
BILOXI, MS 39532

Harrison County (228) 392-7429

ALBERT DIAZ M.D.

Obstetrics & Gynecology

1720A MEDICAL PARK DR, SUITE 130
BILOXI, MS 39532

Harrison County (228) 396-0337

THE DIAZ CLINIC, PLLC

Obstetrics & Gynecology

1720A MEDICAL PARK DR, SUITE 130
BILOXI, MS 39532

Harrison County (228) 396-0337

ALISHA FARRISH

Physical Therapist

1720A MEDICAL PARK DR, SUITE 210
BILOXI, MS 39532

Harrison County (228) 392-9355

COAST CARDIOVASCULAR CONSULTANTS

Internal Medicine (Cardiovascular Disease)

1720A MEDICAL PARK DR, SUITE 340
BILOXI, MS 39532

Harrison County (228) 392-7429

AESTHETIC SURGERY CENTER LTD

Plastic Surgery

1720A MEDICAL PARK DR, SUITE 140
BILOXI, MS 39532

Harrison County (228) 392-4454

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.

Which organization bills Medicare for Antoine Rizk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Antoine Rizk reassigns Medicare benefits to Memorial Hospital At Gulfport (Biloxi, MS). 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 Antoine Rizk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Antoine Rizk accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 3 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 3 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.