Sara Ann Armstrong, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

90152 Issued in SC

Practice address

171 Ashley Ave
Charleston, SC 29425-0100

Phone

(843) 792-2300

NPI assigned

Jun 19, 2023

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

Other, 2023

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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.

• 24 On Physicians of SC, LLC

  • Hospitalist Physician
  • Charleston, SC
  • NPI 1144877655

  SC

  Medicare reassignment

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

{
    "created_epoch": "1687132800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785715200000",
    "number": "1689359663",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "169 ASHLEY AVE",
            "city": "CHARLESTON",
            "state": "SC",
            "postal_code": "294258905"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "171 ASHLEY AVE",
            "city": "CHARLESTON",
            "state": "SC",
            "postal_code": "294250100",
            "telephone_number": "843-792-2300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ARMSTRONG",
        "first_name": "SARA",
        "middle_name": "ANN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-06-19",
        "last_updated": "2026-08-03",
        "certification_date": "2026-08-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "SC",
            "license": "90152",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joseph William Armour, DC
• Alexander John Armstrong, PA-C
• Ervina Delores Armstrong, CCC-SLP,L
• Jeffrey Ray Armstrong, DPM
• Milton B. Armstrong, MD
• Thomas Brantley Arnau, M.D.
• Amye McDonald Arnold, MD
• Kimberly Shannon Arnold, RN
• Pamela C. Arnold, MSN, APRN, BC-ADM
• Christina Alexis Arp

• All providers in Charleston, SC
• Internal Medicine Physician in South Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 3, 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.