DR. MAZEN A. MAHJOUB MD
NPI 1679512081
Specialist in Warren, OH

Q: What is Mazen Mahjoub's NPI number?

The NPI number for Mazen Mahjoub is 1679512081. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Q: What is Mazen Mahjoub's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Mazen Mahjoub was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since June 05, 2006PECOS EnrolledAccepts Medicare Assignment

15.16/100

CMS Quality Rating

9375 E MARKET ST, SUITE #3, WARREN, OH 44484(330) 392-0100 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Mazen A. Mahjoub Md NPPES

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

DR. MAZEN A. MAHJOUB MD (NPI 1679512081) is an individual specialist in Warren, Ohio, licensed in Ohio (35-07-2671M) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with St Elizabeth Youngstown Hospital, and is a graduate of Other (1986).

NPPES Registry Identity

NPI1679512081

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. MAZEN A. MAHJOUBCredential: MD

Location Address9375 E MARKET ST, SUITE #3Warren, OH 44484-5515

Mailing Address9375 E Market St, Suite #3Warren, OH 44484-5515 · (330) 392-0100

Phone(330) 392-0100

Sole ProprietorNo

Medical School CMSOtherGraduated 1986

Enumeration DateJune 5, 2006

Last NPPES UpdateJuly 9, 2007

✔ NPI 1679512081 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in OH · 35-07-2671M

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

9375 E MARKET ST, Warren, OH 44484

Open in Google Maps ↗

Other Identifiers 3

Medicaid2145851OH

Medicare UPINF-73960OH

Medicare PINMAO832432OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Dr. Mazen A. Mahjoub 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 ID6507767043

PECOS Enrollment IDI20040116000753

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 27

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.

Injection, adenosine, 1 mg (not to be used to report any adenosine phosphate compounds) J0153

An adenosine injection is a quick-acting medication used to manage irregular heart rhythms. It works by slowing down the electrical activity in your heart, allowing it to return to its regular rhythm. This procedure is safe and typically performed under medical supervision.

7,108 services146 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.

1,461 services1,016 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.

1,374 services1,132 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.

815 services238 patients

Technetium tc-99m sestamibi, diagnostic, per study dose A9500

Technetium Tc-99m Sestamibi is a diagnostic test used to create images of your heart or breast tissues. It involves a safe radioactive substance injection that helps doctors to detect any abnormalities or changes in these tissues.

669 services335 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.

412 services409 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

342 services342 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.

340 services340 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.

278 services228 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.

197 services197 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

167 services150 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.

143 services85 patients

Injection, regadenoson, 0.1 mg J2785

Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.

72 services18 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.

66 services66 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.

53 services53 patients

Electrocardiogram (ecg) up to 30 days continuous with transmission of patient triggered events with review and report by health care professional 93229

An Electrocardiogram (ECG) is a test that records your heart's electrical activity for up to 30 days. You trigger a transmission if you feel symptoms, which is then reviewed by a healthcare professional. The report helps diagnose heart conditions.

53 services53 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.

51 services51 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

49 services43 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.

37 services33 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.

32 services28 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.

30 services30 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.

30 services30 patients

Evaluation of cardiac rhythm monitor system 93291

The evaluation of a cardiac rhythm monitor system involves checking your heart's electrical activity. It's a non-invasive procedure that uses a device to record your heart's rhythm and rate. This helps identify any irregularities, ensuring your heart is functioning properly.

28 services11 patients

Smoking and tobacco use intensive counseling, 4-10 minutes 99406

This service provides brief, intensive counseling (4-10 minutes) to support you in quitting smoking or tobacco use. It involves discussing the risks of tobacco use, benefits of quitting, and strategies to help you stop. It's a critical step towards a healthier lifestyle.

27 services26 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.

26 services14 patients

Insertion of pacemaker and upper and lower heart chamber electrode 33208

A pacemaker insertion is a procedure where a small device, called a pacemaker, is implanted under your skin. This device uses electrical pulses to prompt the heart to beat at a normal rate. Electrodes are placed in the upper and lower chambers of your heart to help regulate your heartbeat.

14 services14 patients

Interpretation and report of ultrasound of heart 93314

This procedure involves using ultrasound technology to create images of your heart. These images help identify heart conditions by showing the size, structure, and motion of your heart. A report is then prepared detailing the findings.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

St Elizabeth Youngstown Hospital

Acute Care Hospitals · Youngstown, OH

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number360064

Location1044 Belmont AvenueYoungstown, OH 44501 · Mahoning County

Emergency services

Mh St Joseph Warren Hospital

Acute Care Hospitals · Warren, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360161

Location667 Eastland Ave SEWarren, OH 44484 · Trumbull County

Emergency services Birthing friendly

Hmhp St Elizabeth Boardman Health Center

Acute Care Hospitals · Boardman, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number360276

Location8401 Market StreetBoardman, OH 44512 · Mahoning County

Emergency services Birthing friendly

Surgical Hospital At Southwoods

Acute Care Hospitals · Youngstown, OH

5/5 CMS rating

OwnershipProprietary

CMS Certification Number360352

Location7630 Southern BlvdYoungstown, OH 44512 · Mahoning County

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.

15.16/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Improvement Activities

Cost

50.53

Referred Medical Equipment & Supplies CMS DME claims

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

Automatic external defibrillator, with integrated electrocardiogram analysis, garment type K0606

DME-Other DME · category DE013N

1 supplier24 claims24 services$2,241.13 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Leave this field empty

Other Providers at the Same Location NPPES 5

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

DR. CHRISTOPHER CARL CHUIRAZZI M.D.

Internal Medicine

9375 E MARKET ST, STE 1
WARREN, OH 44484

Trumbull County (330) 609-5089

LISAMARIE PIETRAGALLO NP-C

Nurse Practitioner (Family)

9375 E MARKET ST, SUITE 1
WARREN, OH 44484

Trumbull County (330) 609-5089

MEDICAL ASSOCIATES OF WARREN, INC.

Internal Medicine

9375 E MARKET ST, SUITE NUMBER 2
WARREN, OH 44484

Trumbull County (330) 609-5277

WARREN MEDICAL SPECIALISTS INC

Internal Medicine

9375 E MARKET ST, STE1
WARREN, OH 44484

Trumbull County (330) 609-5089

ANKLE AND FOOT CARE CENTERS

Podiatrist

9375 E MARKET ST
WARREN, OH 44484

Trumbull County (330) 394-4180

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 Mazen Mahjoub's NPI number?

The NPI number for Mazen Mahjoub is 1679512081. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is Mazen Mahjoub located?

Mazen Mahjoub practices at 9375 E Market St Suite #3, Warren, OH 44484. The listed phone number is (330) 392-0100.

What is Mazen Mahjoub's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Mazen Mahjoub enrolled in Medicare?

Yes. Mazen Mahjoub 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 Mazen Mahjoub accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and MedMutual and 1 other insurer list Mazen Mahjoub 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 Mazen Mahjoub affiliated with any hospitals?

According to CMS data, Mazen Mahjoub is affiliated with St Elizabeth Youngstown Hospital, Mh St Joseph Warren Hospital, Hmhp St Elizabeth Boardman Health Center and Surgical Hospital At Southwoods.

When was this NPI record last updated?

The NPPES record for Mazen Mahjoub was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.