Johnathan Christopher McCaslan, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

1081 Issued in SC

Practice address

1405 E Greenville St
Anderson, SC 29621-2049

Phone

(866) 389-2727

NPI assigned

May 4, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Physician Assistant

State licenses

Practice roles

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.

• Self Medical Group

  dba Advanced Gastroenterology

  • Gastroenterology Physician
  • Greenwood, SC
  • NPI 1841047560
  NPD (past)

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

{
    "created_epoch": "1146700800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769990400000",
    "number": "1124076146",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1405 E GREENVILLE ST",
            "city": "ANDERSON",
            "state": "SC",
            "postal_code": "296212049",
            "telephone_number": "866-389-2727"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1405 E GREENVILLE ST",
            "city": "ANDERSON",
            "state": "SC",
            "postal_code": "296212049",
            "telephone_number": "866-389-2727"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCCASLAN",
        "first_name": "JOHNATHAN",
        "middle_name": "CHRISTOPHER",
        "name_prefix": "Mr.",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-04",
        "last_updated": "2026-02-02",
        "certification_date": "2026-02-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "SC",
            "license": "1081",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0369PA",
            "state": "SC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Bonnie Diane Maybin, COTA/L
• Morgan Rae McCain
• David A McCann, M.D.
• David McCarson
• Erika McCarty
• Heidi Brooks McCaulley, RN
• Erin McClain, CCC-SLP
• James Thompson McClain, M.D.
• Tasha Claudette McClam, ABOC, NCLEC, LDO
• Lori Elizabeth McClanahan, MD

• Physician Assistant in Anderson, SC
• Providers in Anderson, 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 Feb 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.