NPIMap

Individual provider Active NPI

Rachel Marie Nienaber, PA

  • Physician Assistant
  • Summerville, SC
National Provider Identifier
1982000949
Registry record updated Jan 20, 2026
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Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
3556 Issued in SC
Practice address
300 Callen Blvd Ste 330
Summerville, SC 29486-2816
Phone
(843) 606-7020
Fax
(843) 606-8981
NPI assigned
Nov 18, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 3556 SC Primary

Addresses

Primary practice location

300 Callen Blvd Ste 330
Summerville, SC 29486-2816

Mailing address

PO Box 751649
Charlotte, NC 28275-1649
Phone (888) 472-0043

Other identifiers 1

IdentifierTypeStateIssuer
4406PAMedicaidSC

Other names 1

  • Rachel M Buck Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SC
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20210114001064 SC Practitioner - Physician Assistant 4880916535 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Lincoln Mem Univ, Debusk Col of Osteopathic Med, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Roper Saint Francis Physicians NetworkGroup PAC ID 5193874824, 530 clinicians

Practice addresses (Care Compare)

2075 Eagle Landing Blvd
N Charleston, SC 29406-4074
Phone (843) 789-1800

2145 Henry Tecklenburg Dr
Charleston, SC 29414-5894

300 Callen Blvd
Summerville, SC 29486-2809

Hospital & facility affiliations

  • Roper St Francis Hospital-Berkeley Inc Hospital, Summerville, SC, CCN 420110
  • Bon Secours-St Francis Xavier Hospital Hospital, Charleston, SC, CCN 420065
  • Trident Medical Center Hospital, Charleston, SC, CCN 420079
  • Mount Pleasant Hospital Hospital, Mount Pleasant, SC, CCN 420104
  • Roper Hospital Hospital, Charleston, SC, CCN 420087

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
3556SCMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
Roper St. Francis Specialty Physicians Physician Assistant CurrentSince Feb 1, 2026 Accepting new patients
Roper Saint Francis Physicians Network CurrentSince Feb 15, 2021 Accepting new patients
Roper Saint Francis Physicians Network CurrentSince Feb 15, 2021 Accepting new patients
Major Hospital Past Accepting new patients
Roper Saint Francis Physicians Network Past Accepting new patients

Locations

2145 Henry Tecklenburg Dr
Ste 100
Charleston, SC 29414
Phone (843) 402-1766

2097 Henry Tecklenburg Dr
Ste 211W
Charleston, SC 29414
Phone (843) 958-2555

3510 N Highway 17
Ste 215
Mt Pleasant, SC 29466
Phone (843) 402-1766

2075 Eagle Landing Blvd
North Charleston, SC 29406
Phone (843) 797-5747

300 Callen Blvd
Ste 330
Summerville, SC 29486
Phone (843) 577-7550

Interoperability endpoints

  • Direct secure messaging: rnienaber1235929@direct.bsmhealth.org

Organizations & group practices 6

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.

Hospital & facility affiliations 5

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": "1416268800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768867200000",
    "number": "1982000949",
    "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": "300 CALLEN BLVD STE 330",
            "city": "SUMMERVILLE",
            "state": "SC",
            "postal_code": "294862816",
            "telephone_number": "843-606-7020",
            "fax_number": "843-606-8981"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIENABER",
        "first_name": "RACHEL",
        "middle_name": "MARIE",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-11-18",
        "last_updated": "2026-01-20",
        "certification_date": "2026-01-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "SC",
            "license": "3556",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "4406PA",
            "state": "SC"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "RACHEL",
            "last_name": "BUCK",
            "middle_name": "M",
            "credential": "PA",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Summerville, SC

Sources for this page

Verify at the official NPI Registry.