Mark Leslie Witkowski, DO
Surgery Physician · Murrells Inlet, SC
Mark Leslie Witkowski, DO is a surgery physician with a practice address in Murrells Inlet, South Carolina, and NPI 1982998100, issued on Jun 6, 2011. Check the license on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark Leslie Witkowski
- Credential
- DO
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- R9182 IA
Self-reported in NPPES; status is on the state search - Practice location
- 4040 Highway 17, Murrells Inlet, SC 29576
- Phone
- (843) 652-8390
- Enumerated
- Jun 6, 2011
- Record last updated
- Dec 3, 2025
- Fax
- (843) 652-8391
- Medicare enrollment
- Enrolled (PECOS I20160628002190); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 647 in South Carolina → Look up another NPI →
Also registered at 4040 Highway 17
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sebastian Abadie, M.D.Gastroenterology Physician1407875586
- Christopher Bach, M.D.Gastroenterology Physician1821313057
- Leslee De Paul, NURSE PRACTITIONERNurse Practitioner1265248181
- William Greer, MDSports Medicine (Orthopaedic Surgery) Physician1649288705
- Carrie Gwyer, FNPNurse Practitioner1467837369
- Virginia Johnston, FNPFamily Nurse Practitioner1447310438
Verify Mark Leslie Witkowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average surgery physician in 2024
232 Medicare Part D claims for 157 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 114 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen103 claims
- Metronidazole29 claims
- Amoxicillin-Clavulanate Potass16 claims
- Erythromycin12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $67.88
2 payments; by number, the most common kind was food and beverage; the largest payer was Pacira Pharmaceuticals Incorporated. The 17,103 providers of this specialty with any payment received $3,513.80 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
- Georgetown Physician Associates, LLCGeorgetown, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Leslie Witkowski among 647 surgery physician records in South Carolina
Mark Leslie Witkowski, DO is one of 647 surgery physician records with a practice address in South Carolina. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 49% of them.
- NPI issued2011 · 49% of these records are older, 48% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2011 · median 2004 among the 335 with a school on file
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 surgery physician records list a practice address in Murrells Inlet
They are 6 of the 480 NPPES records with a practice address in Murrells Inlet, and 647 surgery physician records in South Carolina.
All 647 in South Carolina → Every provider in Murrells Inlet → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Salim Ghorra, MDMurrells Inlet, SC 295761336143908
- Jack Johnston, MDMurrells Inlet, SC 295761033590054
- Sunil Lalla, M.D.Murrells Inlet, SC 295761194727537
- Matthew Metz, MDMurrells Inlet, SC 295761245274497
- Angela Mislowsky, MDMurrells Inlet, SC 295761770764318
- Hania Bednarski, DO, FACOSMyrtle Beach, SC 295771528121795
- James Hughes, MDSurfside Beach, SC 295751922062314
- Robert De Grood, MDMullins, SC 295741841248085
Common questions
What is Mark Leslie Witkowski, DO's NPI number?
Mark Leslie Witkowski, DO's National Provider Identifier (NPI) is 1982998100, issued on Jun 6, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Mark Leslie Witkowski, DO located?
The NPPES record lists a practice address at 4040 Highway 17, Murrells Inlet, SC, 29576. Phone: (843) 652-8390. Providers update this record themselves, so call before visiting.
How can I verify Mark Leslie Witkowski, DO's license?
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 Leslie Witkowski, DO prescribe under Medicare Part D?
In 2024, Mark Leslie Witkowski, DO had 232 Medicare Part D claims for 157 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Mark Leslie Witkowski, DO's MIPS final score?
The 2023 MIPS final score is 81.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.