Individual provider Active NPI

Mark Leslie Witkowski, DO

  • Surgery Physician
  • Murrells Inlet, SC
National Provider Identifier
1982998100
Registry record updated Dec 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
R9182 Issued in IA
Practice address
4040 Highway 17
Suite 202
Murrells Inlet, SC 29576-5098
Phone
(843) 652-8390
Fax
(843) 652-8391
NPI assigned
Jun 6, 2011
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 3, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X R9182 IA Primary

Addresses

Primary practice location

4040 Highway 17
Suite 202
Murrells Inlet, SC 29576-5098

Mailing address

PO Box 421718
Georgetown, SC 29442-4203
Phone (843) 527-7000

Other practice location 1

1014 Huger DR
Georgetown, SC 29440-3322
Phone (843) 520-8780

Other practice location 2

2200 Crow LN Ste 303B
Myrtle Beach, SC 29577-1663
Phone (843) 520-8780

Other practice location 3

4040 Highway 17 Unit 104
Murrells Inlet, SC 29576-5098
Phone (843) 652-8390

Other practice location 4

606 Black River Rd Ste 301
Georgetown, SC 29440-3304
Phone (843) 652-8390

Electronic endpoints 4

TypeEndpointUseAffiliation
Direct Messaging Address mwitkowski447872@direct.musc.edu Direct Georgetown Physician Associates, LLC
Direct Messaging Address mwitkowski447872@direct.musc.edu Direct Georgetown Physician Associates, LLC
Direct Messaging Address mwitkowski447872@direct.musc.edu Direct Georgetown Physician Associates, LLC
Direct Messaging Address mwitkowski447872@direct.musc.edu Direct Georgetown Physician Associates, LLC

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SC
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20160628002190 SC Practitioner - General Surgery 0941451389 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Kansas City University of Med & Biosciences, College of Osteo Med, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Georgetown Physician Associates, LLCGroup PAC ID 2365697398, 221 clinicians

Practice addresses (Care Compare)

1011 N Fraser St
Georgetown, SC 29440-2848
Phone (843) 527-3428

Hospital & facility affiliations

  • Tidelands Waccamaw Community Hospital Hospital, Murrells Inlet, SC, CCN 420098
  • Tidelands Georgetown Memorial Hospital Hospital, Georgetown, SC, CCN 420020

Merit-based Incentive Payment System (MIPS)

Final score
75 of 100Reported as group

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy31
Hernia repair - groin (open)1-10
Hernia repair (minimally invasive)42
Upper gastrointestinal (GI) endoscopy for acid reflux19

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

Practice roles

OrganizationSpecialtyStatusNew patients
Georgetown Physician Associates, LLC CurrentSince Jul 25, 2016 Accepting new patients
Georgetown Physician Associates LLC Surgery CurrentSince Jul 25, 2016 Accepting new patients
Georgetown Physician Associates, LLC Current Accepting new patients
Georgetown Physician Services, LLC Past Accepting new patients

Locations

1011 N Fraser St
Georgetown, SC 29440
Phone (803) 527-3428

606 Black River Rd
Ste 301
Georgetown, SC 29440
Phone (843) 527-3428

1014 Huger Dr
Georgetown, SC 29440
Phone (843) 652-8390

4040 Highway 17
Unit 104
Murrells Inlet, SC 29576
Phone (843) 652-8150

2347 S Highway 17
Murrells Inlet, SC 29576
Phone (843) 357-2443

4040 Highway 17
Unit 202
Murrells Inlet, SC 29576
Phone (843) 652-8390

2200 Crow Ln
Ste 303B
Myrtle Beach, SC 29577
Phone (843) 520-8780

2200 Crow Ln
Ste 102
Myrtle Beach, SC 29577
Phone (843) 520-8217

12117 Ocean Hwy
Pawleys Island, SC 29585
Phone (843) 237-8231

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1307318400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764720000000",
    "number": "1982998100",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 421718",
            "city": "GEORGETOWN",
            "state": "SC",
            "postal_code": "294424203",
            "telephone_number": "843-527-7000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4040 HIGHWAY 17",
            "address_2": "SUITE 202",
            "city": "MURRELLS INLET",
            "state": "SC",
            "postal_code": "295765098",
            "telephone_number": "843-652-8390",
            "fax_number": "843-652-8391"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1014 Huger DR",
            "address_purpose": "LOCATION",
            "city": "Georgetown",
            "state": "SC",
            "postal_code": "294403322",
            "country_code": "US",
            "telephone_number": "843-520-8780",
            "fax_number": "843-652-8399",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2200 Crow LN Ste 303B",
            "address_purpose": "LOCATION",
            "city": "Myrtle Beach",
            "state": "SC",
            "postal_code": "295771663",
            "country_code": "US",
            "telephone_number": "843-520-8780",
            "fax_number": "843-652-8399",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4040 Highway 17 Unit 104",
            "address_purpose": "LOCATION",
            "city": "Murrells Inlet",
            "state": "SC",
            "postal_code": "295765098",
            "country_code": "US",
            "telephone_number": "843-652-8390",
            "fax_number": "843-652-8399",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "606 Black River Rd Ste 301",
            "address_purpose": "LOCATION",
            "city": "Georgetown",
            "state": "SC",
            "postal_code": "294403304",
            "country_code": "US",
            "telephone_number": "843-652-8390",
            "fax_number": "843-652-8399",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WITKOWSKI",
        "first_name": "MARK",
        "middle_name": "LESLIE",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-06-06",
        "last_updated": "2025-12-03",
        "certification_date": "2025-12-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "IA",
            "license": "R9182",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mwitkowski447872@direct.musc.edu",
            "affiliation": "Y",
            "affiliationName": "Georgetown Physician Associates, LLC",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "4040 Highway 17 Unit 104",
            "city": "Murrells Inlet",
            "state": "SC",
            "country_code": "US",
            "postal_code": "295765098",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mwitkowski447872@direct.musc.edu",
            "affiliation": "Y",
            "affiliationName": "Georgetown Physician Associates, LLC",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "1014 Huger DR",
            "city": "Georgetown",
            "state": "SC",
            "country_code": "US",
            "postal_code": "294403322",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mwitkowski447872@direct.musc.edu",
            "affiliation": "Y",
            "affiliationName": "Georgetown Physician Associates, LLC",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "606 Black River Rd Ste 301",
            "city": "Georgetown",
            "state": "SC",
            "country_code": "US",
            "postal_code": "294403304",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mwitkowski447872@direct.musc.edu",
            "affiliation": "Y",
            "affiliationName": "Georgetown Physician Associates, LLC",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "2200 Crow LN Ste 303B",
            "city": "Myrtle Beach",
            "state": "SC",
            "country_code": "US",
            "postal_code": "295771663",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Murrells Inlet, SC

Sources for this page

Verify at the official NPI Registry.