Mark Allen Grabarczyk, M.D.
Cardiovascular Disease Physician · Greenville, SC
Mark Allen Grabarczyk, M.D. is a cardiovascular disease physician with a practice address in Greenville, South Carolina, and NPI 1134168941, issued on Jun 6, 2006. Check the license (South Carolina 28576, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark Allen Grabarczyk
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 28576 SC
Self-reported in NPPES; status is on the state search - Practice location
- 2 Innovation Dr, Greenville, SC 29607
- Phone
- (864) 235-7665
- Enumerated
- Jun 6, 2006
- Record last updated
- May 8, 2025
- Fax
- (864) 235-5830
- Medicaid ID
- GP0975 SC
- Medicare enrollment
- Enrolled (PECOS I20060607000037); accepts Medicare assignment
- Medical or professional school
- University Of South Carolina School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 300 in South Carolina → Look up another NPI →
Also registered at 2 Innovation Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Anderson, MDInternal Medicine Physician1447361241
- Jon Bittrick, M.D.Cardiovascular Disease Physician1134111727
- Michael Cade, FNPNurse Practitioner1265540215
- John Cebe, M.D.Cardiovascular Disease Physician1972595536
- Lawrence Freeman, M.D.Cardiovascular Disease Physician1083606644
- Steven Johnson, M.D.Cardiovascular Disease Physician1740272392
Verify Mark Allen Grabarczyk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 28576Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% more Medicare Part D claims than the average cardiovascular disease physician in 2024
5,424 Medicare Part D claims for 735 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Metoprolol Succinate473 claims
- Atorvastatin Calcium404 claims
- Clopidogrel392 claims
- Eliquis370 claims
- Rosuvastatin Calcium285 claims
- Carvedilol282 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: $957.38
37 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 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 one group practice
- Bon Secours Medical Group Greenville Specialty Care LLCGreenville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Allen Grabarczyk among 300 cardiovascular disease physician records in South Carolina
Mark Allen Grabarczyk, M.D. is one of 300 cardiovascular disease physician records with a practice address in South Carolina. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 23% of them.
- NPI issued2006 · 23% of these records are older, 36% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1998 · median 1998 among the 208 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in South Carolina
There are 300 cardiovascular disease physician records in South Carolina.
All 300 in South Carolina → Every provider in Greenville → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Jon Bittrick, M.D.Greenville, SC 296071134111727
- John Cebe, M.D.Greenville, SC 296071972595536
- Lawrence Freeman, M.D.Greenville, SC 296071083606644
- Steven Johnson, M.D.Greenville, SC 296071740272392
- Barbara Moran-Faile, M.D.Greenville, SC 296071396737995
- Matthew Nessmith, M.D.Greenville, SC 296071265490684
- Michael Payne, M.D.Greenville, SC 296071063404622
- Charles Ross, M.D.Greenville, SC 296071396737854
Common questions
What is Mark Allen Grabarczyk, M.D.'s NPI number?
Mark Allen Grabarczyk, M.D.'s National Provider Identifier (NPI) is 1134168941, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Allen Grabarczyk, M.D. located?
The NPPES record lists a practice address at 2 Innovation Dr, Greenville, SC, 29607. Phone: (864) 235-7665. Providers update this record themselves, so call before visiting.
How can I verify Mark Allen Grabarczyk, M.D.'s license?
NPPES lists South Carolina license number 28576, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Allen Grabarczyk, M.D. prescribe under Medicare Part D?
In 2024, Mark Allen Grabarczyk, M.D. had 5,424 Medicare Part D claims for 735 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.