DR. MARK A MARIEB M.D.
NPI 1508862632
Internal Medicine - Clinical Cardiac Electrophysiology in Conover, NC

Q: What is Mark Marieb's NPI number?

The NPI number for Mark Marieb is 1508862632. It was assigned to this individual provider in the NPPES registry on June 23, 2005.

Q: What is Mark Marieb's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Q: When was this NPI record last updated?

The NPPES record for Mark Marieb was last updated on February 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 June 23, 2005PECOS EnrolledAccepts Medicare Assignment

3521 GRAYSTONE PL SE STE 202, CONOVER, NC 28613(828) 732-5700 Get Directions Write a Review

NPPES record last updated: February 17, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 11, 2021, Mar 11, 2020, Jun 24, 2016 (3 updates tracked since 2016).

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About Dr. Mark A Marieb M.d. NPPES

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

DR. MARK A MARIEB M.D. (NPI 1508862632) is an individual clinical cardiac electrophysiology provider in Conover, North Carolina, licensed in North Carolina (2022-00622) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Catawba Valley Medical Center, and is a graduate of Boston University School Of Medicine (1984).

NPPES Registry Identity

NPI1508862632

Entity TypeIndividualMale

Primary Taxonomy207RC0001X

Provider Legal NameDR. MARK A MARIEBCredential: M.D.

Location Address3521 GRAYSTONE PL SE STE 202Conover, NC 28613-8269

Mailing Address810 Fairgrove Church RdHickory, NC 28602-9617

Phone(828) 732-5700

Sole ProprietorNo

Medical School CMSBoston University School Of MedicineGraduated 1984

Enumeration DateJune 23, 2005

Last NPPES UpdateFebruary 17, 20263 updates tracked since enumeration

NPPES CertifiedFebruary 17, 2026

✔ NPI 1508862632 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RC0001X

Licenses✔ Licensed in NC · 2022-00622✔ Licensed in CT · 028115

Definition

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 28115 (CT), 2022-00622 (NC)

3521 GRAYSTONE PL SE STE 202, Conover, NC 28613

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Anthem Blue Cross and Blue Shield, Cigna Healthcare 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

Dr. Mark A Marieb 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 ID1951307768

PECOS Enrollment IDI20081107000650, I20260225002521

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 Mark Marieb reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Catawba Valley Medical Group, Inc

Same address

Cardiovascular Disease

3521 GRAYSTONE PL SE, SUITE 202
Conover, NC 28613

Reassigned Medicare billing, North Carolina enrollment
130 clinicians in this Medicare group

NPI 1750659488 (828) 732-5700

Griffin Faculty Physicians, Inc.

588 mi

Thoracic Surgery (Cardiothoracic Vascular Surgery)

67 MAPLE AVE, 2ND FLOOR
Derby, CT 06418

Reassigned Medicare billing, Connecticut enrollment
190 clinicians in this Medicare group

NPI 1598755605 (203) 732-1330

Cardiology Associates Of Greater Waterbury LLC

598 mi

Cardiovascular Disease

455 CHASE PKWY
Waterbury, CT 06708

Reassigned Medicare billing, Connecticut enrollment
17 clinicians in this Medicare group

NPI 1407159833 (203) 573-1435

Prospect Waterbury, Inc.

599 mi

General Acute Care Hospital

64 ROBBINS ST
Waterbury, CT 06708

Reassigned Medicare billing, Connecticut enrollment
60 clinicians in this Medicare group

NPI 1477902641 (203) 573-7280

Hartford Healthcare Medical Group, Inc

621 mi

Surgery

1290 SILAS DEANE HWY, ATTN: LINDA STRAKA
Wethersfield, CT 06109

Reassigned Medicare billing, Connecticut enrollment
747 clinicians in this Medicare group

NPI 1043561301 (860) 972-9033

Hartford Healthcare Medical Group Specialists, PLLC

623 mi

Surgery

85 SEYMOUR ST STE 415
Hartford, CT 06106

Reassigned Medicare billing, Connecticut enrollment
1,921 clinicians in this Medicare group

NPI 1023584216 (860) 246-2071

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 24

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.

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 93296

This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.

577 services223 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.

343 services53 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.

337 services135 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.

249 services92 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.

191 services153 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

183 services150 patients

Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days 93297

This service involves remotely monitoring your heart and blood vessel implant system for up to 30 days. Using advanced technology, healthcare professionals can track the device's performance and your health status, ensuring the system is working optimally for your needs.

138 services50 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.

101 services96 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.

81 services81 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.

34 services33 patients

Destruction of tissue of upper heart chamber through tube to treat abnormal heart rhythm 93657

This procedure involves using a tube, or catheter, to access your upper heart chamber. Special tools are then used to destroy a small area of heart tissue causing abnormal rhythm. This helps reset your heart's regular rhythm, improving heart function.

32 services19 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.

29 services29 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.

26 services26 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.

24 services23 patients

Recording of upper heart rhythm 93600

Recording of upper heart rhythm is a procedure where a device monitors the heart's electrical activity. This test helps identify irregularities in heartbeats and rhythm, providing crucial information about heart health. It's non-invasive and painless.

23 services23 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

21 services21 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.

20 services17 patients

Insertion of left lower heart electrode for pacemaker or defibrillator 33225

The procedure involves placing a small electrode in your left lower heart region. This electrode is part of a pacemaker or defibrillator, devices that help regulate your heart rhythm. It's done under local anesthesia, and you may feel mild discomfort.

19 services19 patients

Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation 93656

This is a procedure to treat atrial fibrillation, a condition causing irregular heartbeats. It involves a detailed heart evaluation using electrophysiology. A catheter is then used to destroy the problematic area causing the issue. Specifically, isolation of the pulmonary vein is done to regulate the heartbeat.

19 services19 patients

Programming of heart rhythm stimulation after drug infusion 93623

Programming of heart rhythm stimulation after drug infusion is a process to regulate your heartbeat. After a medication is administered into your body, a device is programmed to monitor and correct irregular heart rhythms, ensuring your heart functions optimally.

15 services15 patients

Injection for x-ray imaging procedure into vein of arm or leg 36005

This procedure involves injecting a contrast material into a vein in your arm or leg. This helps to enhance the quality of X-ray images, making it easier to see and understand the condition of your veins and tissues. It's generally safe and quick.

11 services11 patients

Review by radiologist of 1 arm or leg vein of 1 arm or leg image 75820

This procedure involves a radiologist examining an image of a vein in either your arm or leg. The image helps to identify any abnormalities or issues with blood flow. It's a non-invasive and safe process that aids in accurate diagnosis and treatment planning.

11 services11 patients

Electrocardiogram (ecg) 2-day continuous 93225

An Electrocardiogram (ECG) 2-day continuous is a non-invasive test that records the electrical activity of your heart over 48 hours. It helps to detect irregular heart rhythms, heart disease, or other cardiac conditions. You wear a portable device that records heart activity as you go about your daily activities.

11 services11 patients

Destruction of heart conduction tissue to create heart block 93650

This procedure involves destroying a small part of your heart's electrical system to treat abnormal heart rhythms. It creates a block in the heart's electrical pathway, slowing down the heart rate to improve its function.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Catawba Valley Medical Center

Acute Care Hospitals · Hickory, NC

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number340143

Location810 Fairgrove Church RdHickory, NC 28602 · Catawba County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 28613 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

$125.01 typical visit price

range $54.12 – $165.09

Typical copayment $31.25 (range $13.53 – $41.27)

Most-billed visit code 99204

Established Patient

$95.94 typical visit price

range $17.21 – $134.61

Typical copayment $23.98 (range $4.30 – $33.65)

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.

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.

ASHLEIGH BROOKE WARREN FNP

Nurse Practitioner (Family)

3521 GRAYSTONE PL SE STE 202
CONOVER, NC 28613

Catawba County (828) 732-5700

MRS. PARIS A. R. SELLERS PA-C

Physician Assistant

3521 GRAYSTONE PL SE STE 202
CONOVER, NC 28613

Catawba County (828) 732-5700

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 Mark Marieb's NPI number?

The NPI number for Mark Marieb is 1508862632. It was assigned to this individual provider in the NPPES registry on June 23, 2005.

Where is Mark Marieb located?

Mark Marieb practices at 3521 Graystone Pl SE Ste 202, Conover, NC 28613. The listed phone number is (828) 732-5700.

What is Mark Marieb's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Mark Marieb enrolled in Medicare?

Yes. Mark Marieb 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 Mark Marieb's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Marieb reassigns Medicare benefits to 6 organizations: Catawba Valley Medical Group, Inc (Conover, NC), Griffin Faculty Physicians, Inc. (Derby, CT), Cardiology Associates Of Greater Waterbury LLC (Waterbury, CT), Prospect Waterbury, Inc. (Waterbury, CT), Hartford Healthcare Medical Group, Inc (Wethersfield, CT) and 1 more organization, listed in the Medicare section above. 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 Mark Marieb's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Marieb accept?

Health plans from AmeriHealth Caritas Next, Anthem Blue Cross and Blue Shield, Cigna Healthcare and UnitedHealthcare list Mark Marieb 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 Mark Marieb affiliated with any hospitals?

According to CMS data, Mark Marieb is affiliated with Catawba Valley Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Marieb was last updated on February 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.