Mark A. Marieb, M.D.
Clinical Cardiac Electrophysiology Physician · Conover, NC
Mark A. Marieb, M.D. is a clinical cardiac electrophysiology physician with a practice address in Conover, North Carolina, and NPI 1508862632, issued on Jun 23, 2005. Check the license (North Carolina 2022-00622, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark A. Marieb
- Credential
- M.D.
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License numbers
- 2022-00622 NC
028115 CT
28115 CT
Self-reported in NPPES; status is on the state search - Practice location
- 3521 Graystone PL SE Ste 202, Conover, NC 28613
- Phone
- (828) 732-5700
- Enumerated
- Jun 23, 2005
- Record last updated
- Feb 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20081107000650); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 102 in North Carolina → Look up another NPI →
Also registered at 3521 Graystone PL SE Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paris Sellers, PA-CPhysician Assistant1891210712
- Ashleigh Warren, FNPFamily Nurse Practitioner1265022776
Verify Mark A. Marieb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2022-00622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
279 Medicare Part D claims for 102 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Eliquis45 claims
- Flecainide Acetate31 claims
- Metoprolol Succinate22 claims
- Diltiazem 24hr Er (Cd)19 claims
- Diltiazem Hcl16 claims
- Amiodarone Hcl12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $18,007.93
180 payments; by number, the most common kind was food and beverage; the largest payer was Medical Device Business Services, Inc. The 3,167 providers of this specialty with any payment received $10,651.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Catawba Valley Medical Group IncConover, NC
- Griffin Faculty Physicians IncDerby, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. Marieb among 102 clinical cardiac electrophysiology physician records in North Carolina
Mark A. Marieb, M.D. is one of 102 clinical cardiac electrophysiology physician records with a practice address in North Carolina. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 89% of these records are
- Graduated1984 · median 2004 among the 91 with a school on file
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in North Carolina
There are 102 clinical cardiac electrophysiology physician records in North Carolina.
All 102 in North Carolina → Every provider in Conover → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Thomas Wiley, M.D.Hickory, NC 286021144285123
- Christopher Hudson, MDNew Bern, NC 285621265507370
- Chase King, D.O.New Bern, NC 285621194175729
- Angela Park, MDNew Bern, NC 285621720042013
- William Sanders, MDNew Bern, NC 285621669533790
- John Brandt, M.D.Asheville, NC 288031730472382
- Joseph Donnelly, M.D.Asheville, NC 288031740667559
- Zachary Hale, M.D.Asheville, NC 288031770929655
Common questions
What is Mark A. Marieb, M.D.'s NPI number?
Mark A. Marieb, M.D.'s National Provider Identifier (NPI) is 1508862632, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Marieb, M.D. located?
The NPPES record lists a practice address at 3521 Graystone PL SE Ste 202, Conover, NC, 28613. Phone: (828) 732-5700. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Marieb, M.D.'s license?
NPPES lists North Carolina license number 2022-00622, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark A. Marieb, M.D. prescribe under Medicare Part D?
In 2024, Mark A. Marieb, M.D. had 279 Medicare Part D claims for 102 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.