Individual provider Active NPI

Holly Haldan Herr, PA

  • Medical Physician Assistant
  • Charleston, SC
National Provider Identifier
1417710781
Registry record updated Apr 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Physician AssistantTaxonomy code 363AM0700X
License
5198 Issued in SC
Practice address
1327 Ashley River Rd
Charleston, SC 29407-5384
Phone
(843) 577-4551
NPI assigned
Jan 31, 2024
Last updated
Apr 17, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 17, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Physician Assistant 363AM0700X 5198 SC Primary

Addresses

Primary practice location

1327 Ashley River Rd
Charleston, SC 29407-5384

Mailing address

1327 Ashley River Rd
Charleston, SC 29407-5384

Other names 1

  • Holly Petrusson Former name

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240216003032 SC Practitioner - Physician Assistant 2466896501 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Coastal Vascular and Vein Center PAGroup PAC ID 4981660479, 11 clinicians

Practice addresses (Care Compare)

1327 Ashley River Rd
Suite B
Charleston, SC 29407-5384
Phone (843) 577-4551

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
5198SCMDPhysical Therapist

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

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": "1706659200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776384000000",
    "number": "1417710781",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1327 ASHLEY RIVER RD",
            "city": "CHARLESTON",
            "state": "SC",
            "postal_code": "294075384"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1327 ASHLEY RIVER RD",
            "city": "CHARLESTON",
            "state": "SC",
            "postal_code": "294075384",
            "telephone_number": "843-577-4551"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HERR",
        "first_name": "HOLLY",
        "middle_name": "HALDAN",
        "credential": "PA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-01-31",
        "last_updated": "2026-04-17",
        "certification_date": "2026-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "SC",
            "license": "5198",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "HOLLY",
            "last_name": "PETRUSSON",
            "credential": "PA",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Charleston, SC

Sources for this page

Verify at the official NPI Registry.