NPIMap

Organization Active NPI

Greenwood Treatment Specialists

  • Methadone Clinic
  • Greenwood, SC
National Provider Identifier
1417448937
Registry record updated Sep 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Methadone ClinicTaxonomy code 261QM2800X
Legal business name
GREENWOOD TREATMENT SPECIALISTS
Practice address
110 Court Ave W
Greenwood, SC 29646-2749
Phone
(864) 407-4160
Fax
(864) 407-4155
NPI assigned
May 21, 2018
Last updated
Sep 30, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 30, 2026

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

Authorized official

Name
Amy Marie Nieman
Title
Director of Payer Credentialing
Phone
(513) 544-1003

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Methadone Clinic 261QM2800X Primary
Substance Abuse Rehabilitation Facility 324500000X
Clinic Pharmacy 3336C0002X

Addresses

Primary practice location

110 Court Ave W
Greenwood, SC 29646-2749

Mailing address

4600 Montgomery Rd Ste 400
Cincinnati, OH 45212-2600
Phone (864) 407-4160

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SC
Opioid treatment program
Medicare-enrolled since Jan 1, 2020

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20200227002520 SC Part B Supplier - Opioid Treatment Program (Otp) 0941637128 Practice locations: Greenwood, SC

National Provider Directory

National Provider Directory

Member of 1

Organizations this organization is a member of, according to the National Provider Directory.

Locations

110 Court Ave W
Greenwood, SC 29646
Phone (864) 407-4160

519 Monument St
Greenwood, SC 29646
Phone (864) 407-4160

Practitioners & affiliated clinicians

Practitioners 12

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1526860800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1790726400000",
    "number": "1417448937",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4600 MONTGOMERY RD STE 400",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452122600",
            "telephone_number": "864-407-4160",
            "fax_number": "864-407-4155"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "110 COURT AVE W",
            "city": "GREENWOOD",
            "state": "SC",
            "postal_code": "296462749",
            "telephone_number": "864-407-4160",
            "fax_number": "864-407-4155"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GREENWOOD TREATMENT SPECIALISTS",
        "organizational_subpart": "NO",
        "enumeration_date": "2018-05-21",
        "last_updated": "2026-09-30",
        "certification_date": "2026-09-30",
        "status": "A",
        "authorized_official_last_name": "NIEMAN",
        "authorized_official_first_name": "AMY",
        "authorized_official_middle_name": "MARIE",
        "authorized_official_title_or_position": "DIRECTOR OF PAYER CREDENTIALING",
        "authorized_official_telephone_number": "513-544-1003"
    },
    "taxonomies": [
        {
            "code": "261QM2800X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Methadone",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "324500000X",
            "taxonomy_group": "",
            "desc": "Substance Abuse Rehabilitation Facility",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "3336C0002X",
            "taxonomy_group": "",
            "desc": "Pharmacy, Clinic Pharmacy",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Greenwood, SC

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.