Derek George Armstrong, MD

Primary specialty

Pediatric Gastroenterology PhysicianTaxonomy code 2080P0206X

License

2025-01293 Issued in NC

Practice address

4709 Creekstone Dr
Durham, NC 27703-9822

Phone

(919) 668-4000

NPI assigned

Mar 18, 2019

Last updated

Sep 11, 2025By the provider in NPPES

Sex

Male

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 NC

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

Pediatric MedicineAlso: Gastroenterology

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Duke Health Integrated Practice IncGroup PAC ID 8325412737, 3,140 clinicians

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: darmstrong661596@direct.medicine.duke.edu

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.

• Duke Health Integrated Practice, Inc.

  • General Practice Physician
  • Durham, NC
  • NPI 1205553369
  Medicare reassignment Care Compare group NPD
• Duke University Health System, Inc.

  dba Durham Regional Hospital

  • Internal Medicine Physician
  • Durham, NC
  • NPI 1376574798
  Medicare reassignment NPD
• Duke University Health System, Inc.

  dba Duke Home Infusion

  • Parenteral & Enteral Nutrition Supplies (DME)
  • Durham, NC
  • NPI 1427187525
  NPD

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

{
    "created_epoch": "1552867200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1265991368",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2400 PRATT ST",
            "city": "DURHAM",
            "state": "NC",
            "postal_code": "277053976",
            "telephone_number": "919-684-5068",
            "fax_number": "919-684-4836"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4709 CREEKSTONE DR",
            "city": "DURHAM",
            "state": "NC",
            "postal_code": "277039822",
            "telephone_number": "919-668-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ARMSTRONG",
        "first_name": "DEREK",
        "middle_name": "GEORGE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-18",
        "last_updated": "2025-09-11",
        "certification_date": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0206X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Gastroenterology",
            "state": "NC",
            "license": "2025-01293",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Victor Diego Armengol, MD
• Mayra Armenta-Luna
• Armstrong Podiatry & Sports Health, PLLC
• Andrew John Armstrong, MD
• Aneesah Armstrong
• Lloyd Kelsey Armstrong, D.P.M.
• Michael B Armstrong, MD, PHD
• Morgan Armstrong
• Ozanne Armstrong
• Patrick Armstrong, MD

• Pediatric Gastroenterology Physician in Durham, NC
• Providers in Durham, NC by specialty
• Pediatric Gastroenterology Physician in North Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.