Derek George Armstrong, MD
Pediatric Gastroenterology Physician · Durham, NC
Derek George Armstrong, MD is a pediatric gastroenterology physician with a practice address in Durham, North Carolina, and NPI 1265991368, issued on Mar 18, 2019. Check the license (North Carolina 2025-01293, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Derek George Armstrong
- Credential
- MD
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License number
- 2025-01293 NC
Self-reported in NPPES; status is on the state search - Practice location
- 4709 Creekstone Dr, Durham, NC 27703
- Phone
- (919) 668-4000
- Enumerated
- Mar 18, 2019
- Record last updated
- Sep 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20251014002513); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 62 in North Carolina → Look up another NPI →
Also registered at 4709 Creekstone Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Martha AitkenNurse Practitioner1295174498
- Jessica Allen, PACPhysician Assistant1316902398
- Jennifer Bartlett, PT, DPTPhysical Therapist1396305496
- Lucy Beatty, OTOccupational Therapist1679940811
- Neal Depersia, PTPhysical Therapist1346310927
- Chelsea Espinoza, OTR/LOccupational Therapist1073161196
Verify Derek George Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2025-01293Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Duke Health Integrated Practice IncDurham, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derek George Armstrong among 62 pediatric gastroenterology physician records in North Carolina
Derek George Armstrong, MD is one of 62 pediatric gastroenterology physician records with a practice address in North Carolina. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 90% of them.
- NPI issued2019 · 90% of these records are older, 5% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileYes · 24% of these records are
- Graduated2019 · median 2009 among the 15 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Gastroenterology Physician providers in North Carolina
There are 62 pediatric gastroenterology physician records in North Carolina.
All 62 in North Carolina → Every provider in Durham → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- John Lyles, MDDurham, NC 277031497174627
- Sandeep Puri, MDDurham, NC 277031215324116
- Arun Ajmera, MDDurham, NC 277051336645431
- Haley Neef, M.D.Durham, NC 277051851594543
- Leon Reinstein, M.D.Durham, NC 277051114913670
- Annette Roberts, MD, MPHDurham, NC 277051497217103
- Sana Syed, M.D.Durham, NC 277051811128812
- Narayanan Venkatasubramani, M.D., MRCP., MBBS.Durham, NC 277051659469732
Common questions
What is Derek George Armstrong, MD's NPI number?
Derek George Armstrong, MD's National Provider Identifier (NPI) is 1265991368, issued on Mar 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Derek George Armstrong, MD located?
The NPPES record lists a practice address at 4709 Creekstone Dr, Durham, NC, 27703. Phone: (919) 668-4000. Providers update this record themselves, so call before visiting.
How can I verify Derek George Armstrong, MD's license?
NPPES lists North Carolina license number 2025-01293, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.