Terry L. Horton, MD
Internal Medicine Physician · Wilmington, DE
Terry L. Horton, MD is an internal medicine physician with a practice address in Wilmington, Delaware, and NPI 1013072156, issued on Dec 27, 2006. Check the license (Delaware C1-0005652, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Terry L. Horton
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- C1-0005652 DE
181861 NY
Self-reported in NPPES; status is on the state search - Practice location
- 501 W 14TH St, Wilmington, DE 19801
- Phone
- (302) 428-4574
- Enumerated
- Dec 27, 2006
- Record last updated
- Nov 8, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (302) 428-2569
- Medicare enrollment
- Enrolled (PECOS I20260319001304); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 600 in Delaware → Look up another NPI →
Also registered at 501 W 14TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shaakira AbdullahFamily Nurse Practitioner1073028189
- Arij Batul Abid, DPMStudent in an Organized Health Care Education/Training Program1851233225
- Davi-Lue AchuNurse Practitioner1477006864
- Beenish Ahmed, MDInternal Medicine Physician1346636172
- Jessica An, MDInternal Medicine Physician1740867035
- Sheyla ArtigaStudent in an Organized Health Care Education/Training Program1851143119
Verify Terry L. Horton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C1-0005652Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
One hospital affiliation
- Lancaster General HospitalLancaster, PA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Terry L. Horton among 600 internal medicine physician records in Delaware
Terry L. Horton, MD is one of 600 internal medicine physician records with a practice address in Delaware. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 68% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1987 · median 2008 among the 414 with a school on file
- Record last updated2011 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
107 internal medicine physician records list a practice address in Wilmington
They are 107 of the 6,291 NPPES records with a practice address in Wilmington, and 600 internal medicine physician records in Delaware.
All 600 in Delaware → Every provider in Wilmington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Matthew Burday, DOWilmington, DE 198011215907738
- Patricia Curtin, M.D.Wilmington, DE 198011790867661
- Justin Eldridge, M.D.Wilmington, DE 198011295937365
- Edward Ewen, MDWilmington, DE 198011336271436
- J. Daniel Hess, MDWilmington, DE 198011265666325
- Leroi Hicks, MD, MPHWilmington, DE 198011083665806
- Rose Kakoza, MDNewark, DE 198011659530087
- Armin Marefat, D.O.Wilmington, DE 198011629291000
Common questions
What is Terry L. Horton, MD's NPI number?
Terry L. Horton, MD's National Provider Identifier (NPI) is 1013072156, issued on Dec 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Terry L. Horton, MD located?
The NPPES record lists a practice address at 501 W 14TH St, Wilmington, DE, 19801. Phone: (302) 428-4574. Providers update this record themselves, so call before visiting.
How can I verify Terry L. Horton, MD's license?
NPPES lists Delaware license number C1-0005652, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. 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.