Marilyn C Keen, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

3188 Issued in SC

Practice address

4500 8TH Division Rd
Columbia, SC 29207-5700

Phone

(803) 751-0531

NPI assigned

Jun 18, 2010

Last updated

Jul 24, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Marilyn C Cowles Former name

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

University of Nebraska College of Medicine, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lexington Health IncGroup PAC ID 2567872070, 905 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

84.09 of 100Reported as group

Quality

68.87

Promoting interoperability

100

Improvement activities

40

Cost

78.11

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mkeen91943@direct.lexmed.com

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

• Lexington Health Inc

  dba Lexington Orthopaedic and Sports Medicine

  • Sports Medicine (Orthopaedic Surgery) Physician
  • West Columbia, SC
  • NPI 1710634753
  Medicare reassignment Care Compare group
• Medcare Express - North Charleston LLC

  dba Medcare Urgent Care

  • Urgent Care Clinic/Center
  • Charleston, SC
  • NPI 1457579617
  Medicare reassignment
• Lexington County Health Services District Inc

  dba Lexington Medical Center

  • General Acute Care Hospital
  • West Columbia, SC
  • NPI 1356366314
  NPD
• Lexington Health Inc

  dba The Columbia Medical Group

  • Internal Medicine Physician
  • Columbia, SC
  • NPI 1669070785
  NPD
• Lexington Health Inc

  dba Lexington Internal Medicine

  • Internal Medicine Physician
  • West Columbia, SC
  • NPI 1942190988
  NPD
• Medcare Urgent Care Center - Anderson LLC

  • Urgent Care Clinic/Center
  • Anderson, SC
  • NPI 1689004095
  NPD
• Lexington County Health Services District, Inc.

  dba Southern Surgical Group

  • Surgery Physician
  • West Columbia, SC
  • NPI 1215955174
  NPD (past)
• Lexington County Health Services District, Inc.

  dba Lexington Medical Center Irmo

  • Urgent Care Clinic/Center
  • Columbia, SC
  • NPI 1396778056
  NPD (past)
• Lexington Medical Center

  • General Acute Care Hospital
  • West Columbia, SC
  • NPI 1831550060
  NPD (past)

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

{
    "created_epoch": "1276819200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784851200000",
    "number": "1902127491",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 6069",
            "city": "WEST COLUMBIA",
            "state": "SC",
            "postal_code": "291716069"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4500 8TH DIVISION RD",
            "city": "COLUMBIA",
            "state": "SC",
            "postal_code": "292075700",
            "telephone_number": "803-751-0531"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "146 E Hospital Dr Ste 200",
            "address_purpose": "LOCATION",
            "city": "West Columbia",
            "state": "SC",
            "postal_code": "291694800",
            "country_code": "US",
            "telephone_number": "803-936-7530",
            "fax_number": "803-936-7532",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "146 E Hospital Dr Ste 400",
            "address_purpose": "LOCATION",
            "city": "West Columbia",
            "state": "SC",
            "postal_code": "291694800",
            "country_code": "US",
            "telephone_number": "803-936-3300",
            "fax_number": "803-936-7735",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KEEN",
        "first_name": "MARILYN",
        "middle_name": "C",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-06-18",
        "last_updated": "2026-07-24",
        "certification_date": "2026-07-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "SC",
            "license": "3188",
            "primary": true
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "SC",
            "license": "3188",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARILYN",
            "last_name": "COWLES",
            "middle_name": "C",
            "credential": "PA-C",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Felicia Keels
• Hazel Lucile Keels, RN
• Holly Gordon Keels, RRT
• Jessica E Keels
• Patrice Nicole Ladson Keels, DNP, APRN, FNP-BC
• Christopher Degraffenried Keenan Jr., BCBA
• Dustin Thomas Keenan, PA-S
• Kathy Lynn Keenan, LMSW
• Christopher Duane Keesee, PTA
• Allyson Keesling

• Physician Assistant in Columbia, SC
• Providers in Columbia, SC by specialty
• Physician Assistant in South Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.