Individual provider Active NPI

Dhanalakshmi Senniappan

  • Pediatrics Physician
  • Rock Hill, SC
National Provider Identifier
1801264098
Registry record updated Dec 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
84957 Issued in SC
Practice address
165 Amendment Ave
Rock Hill, SC 29732-3036
Phone
(803) 329-2700
NPI assigned
Sep 4, 2015
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 5, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 208000000X 84957 SC Primary

Addresses

Primary practice location

165 Amendment Ave
Rock Hill, SC 29732-3036

Mailing address

165 Amendment Ave
Rock Hill, SC 29732-3036
Phone (803) 329-2700

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
84957SCMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Tri-County Pediatrics LLC Single Specialty PastSince Jan 26, 2025 Accepting new patients
Sweetgrass Pediatrics Single Specialty PastSince Jan 26, 2025 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: dsenniappen437040@direct.hfhs.org

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1441324800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764892800000",
    "number": "1801264098",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "165 AMENDMENT AVE",
            "city": "ROCK HILL",
            "state": "SC",
            "postal_code": "297323036",
            "telephone_number": "803-329-2700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "165 AMENDMENT AVE",
            "city": "ROCK HILL",
            "state": "SC",
            "postal_code": "297323036",
            "telephone_number": "803-329-2700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SENNIAPPAN",
        "first_name": "DHANALAKSHMI",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-09-04",
        "last_updated": "2025-12-05",
        "certification_date": "2025-12-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Pediatrics",
            "state": "SC",
            "license": "84957",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rock Hill, SC

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 5, 2025; 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.