Margarett Ann Walden, NP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

25932 Issued in SC

Practice address

853 N Church St Ste 620
Spartanburg, SC 29303-3070

Phone

(864) 573-7511

Fax

(864) 560-1690

NPI assigned

Jan 11, 2017

Last updated

Oct 5, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

Other names 1

• Margarett Ann Graham Former name

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in GA, TX, NC3 enrollments

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 3

Specialty

Nurse Practitioner

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Christus Trinity Clinic TexasGroup PAC ID 3072426741, 1,540 clinicians

Appalachian Regional Medical Associates IncGroup PAC ID 5799877817, 147 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Watauga Medical Center Hospital, Boone, NC, CCN 340051
• Charles a Cannon Jr Memorial Hospital Hospital, Linville, NC, CCN 341323

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: margarett.graham@sgm.directbygreenway.com
• Direct secure messaging: mwalden236829@direct-srhs.et0939.epichosted.com
• Direct secure messaging: mwalden317090@christushealth.direct-ci.net

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.

• Appalachian Regional Medical Associates, Inc.

  dba Appalachian Gastroenterology

  • Family Medicine Physician
  • Boone, NC
  • NPI 1669533923
  Medicare reassignment Care Compare group NPD
• Christus Trinity Clinic Texas

  dba Christus Trinity Clinic

  • Family Medicine Physician
  • Tyler, TX
  • NPI 1285684225
  Medicare reassignment Care Compare group NPD
• South Georgia Medicine, P.C.

  • Gastroenterology Physician
  • Tifton, GA
  • NPI 1528126182
  Medicare reassignment NPD
• Christus Trinity Clinic Texas

  dba Christus Trinity Clinic

  • Rural Health Clinic/Center
  • Winnsboro, TX
  • NPI 1801673165
  NPD
• Tifton Endoscopy Center, Inc.

  • Ambulatory Surgical Clinic/Center
  • Tifton, GA
  • NPI 1063512945
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Charles a Cannon Jr Memorial Hospital Inc

  dba Cannon Inpatient Behavioral Health

  • Psychiatric Hospital Unit
  • Linville, NC
  • NPI 1407006968
  Care Compare affiliation
• Charles a Cannon Jr Memorial Hospital Inc.

  dba Appalachian Regional Healthcare System

  • Critical Access Hospital
  • Linville, NC
  • NPI 1225088255
  Care Compare affiliation
• Watauga Medical Center Inc

  dba Watauga Medical Center

  • General Acute Care Hospital
  • Boone, NC
  • NPI 1205859766
  Care Compare affiliation

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

{
    "created_epoch": "1484092800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791158400000",
    "number": "1477099661",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 743070",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303743070",
            "telephone_number": "864-560-4304",
            "fax_number": "864-560-4413"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "853 N CHURCH ST STE 620",
            "city": "SPARTANBURG",
            "state": "SC",
            "postal_code": "293033070",
            "telephone_number": "864-573-7511",
            "fax_number": "864-560-1690"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2026 S Jackson St",
            "address_purpose": "LOCATION",
            "city": "Jacksonville",
            "state": "TX",
            "postal_code": "757665822",
            "country_code": "US",
            "telephone_number": "903-589-7017",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2116 E Rusk St",
            "address_purpose": "LOCATION",
            "city": "Jacksonville",
            "state": "TX",
            "postal_code": "757669052",
            "country_code": "US",
            "telephone_number": "903-589-7017",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3201 S Loop 256",
            "address_purpose": "LOCATION",
            "city": "Palestine",
            "state": "TX",
            "postal_code": "758016901",
            "country_code": "US",
            "telephone_number": "903-723-0330",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALDEN",
        "first_name": "MARGARETT",
        "middle_name": "ANN",
        "credential": "NP-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2017-01-11",
        "last_updated": "2026-10-05",
        "certification_date": "2026-10-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "TX",
            "license": "1124257",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "SC",
            "license": "25932",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PIN",
            "identifier": "SCM5605206",
            "state": "SC"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mwalden236829@direct-srhs.et0939.epichosted.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "mwalden236829@direct-srhs.et0939.epichosted.com",
            "address_1": "853 N Church St Ste 620",
            "city": "Spartanburg",
            "state": "SC",
            "country_code": "US",
            "postal_code": "293033070",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "MARGARETT",
            "last_name": "GRAHAM",
            "middle_name": "ANN",
            "credential": "NP",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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• Family Nurse Practitioner in Spartanburg, SC
• Providers in Spartanburg, SC by specialty
• Family Nurse Practitioner in South Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.