Walker Mackenzie Heffron, MD

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

84209 Issued in SC

Practice address

3510 N Highway 17 Ste 220
Mt Pleasant, SC 29466-8245

Phone

(843) 853-3474

Fax

(843) 853-3500

NPI assigned

Jun 1, 2020

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in RI

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: walker.heffron.1@13709.direct.athenahealth.com

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.

• University Orthopedics, Inc.

  • Orthopaedic Surgery Physician
  • Providence, RI
  • NPI 1235181041
  Medicare reassignment NPD
• University Orthopedics, Inc.

  • Orthopaedic Surgery Physician
  • Cranston, RI
  • NPI 1285320093
  NPD

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

{
    "created_epoch": "1590969600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788912000000",
    "number": "1710501242",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 751649",
            "city": "CHARLOTTE",
            "state": "NC",
            "postal_code": "282751649",
            "telephone_number": "888-472-0043",
            "fax_number": "843-724-2440"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3510 N HIGHWAY 17 STE 220",
            "city": "MT PLEASANT",
            "state": "SC",
            "postal_code": "294668245",
            "telephone_number": "843-853-3474",
            "fax_number": "843-853-3500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HEFFRON",
        "first_name": "WALKER",
        "middle_name": "MACKENZIE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-06-01",
        "last_updated": "2026-09-09",
        "certification_date": "2026-09-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "SC",
            "license": "84209",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Melissa Lynn Heaps, NP
• Hearing Shoppe LLC
• Hearing Works, LLC
• Hearthfire Counseling LLC
• Heather Oliver Lisw-CP LLC
• Brittany Dey Heil, SLP
• David Tyler Heinemann, MD
• William Collier Helms IV
• Shannon Hemberger, OTR/L
• Alexander Davis Henderson, PHD

• Orthopaedic Surgery Physician in Mount Pleasant, SC
• Providers in Mount Pleasant, SC by specialty
• Orthopaedic Surgery Physician in South Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 9, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.