J. Daniel Hess, MD
Internal Medicine Physician · Wilmington, DE
J. Daniel Hess, MD is an internal medicine physician with a practice address in Wilmington, Delaware, and NPI 1265666325, issued on May 5, 2009. Check the license (Delaware C1-0009589, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- J. Daniel Hess
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C1-0009589 DE
Self-reported in NPPES; status is on the state search - Practice location
- 501 W 14TH St, Wilmington, DE 19801
- Phone
- (302) 428-4411
- Enumerated
- May 5, 2009
- Record last updated
- Oct 23, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140826001917); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2009
- 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 J. Daniel Hess 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 C1-0009589Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
55 Medicare Part D claims for 38 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Christiana Care Health Services IncNewark, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
J. Daniel Hess among 600 internal medicine physician records in Delaware
J. Daniel Hess, 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 2009, is newer than 46% of them.
- NPI issued2009 · 46% of these records are older, 51% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2009 · median 2008 among the 414 with a school on file
- Record last updated2014 · 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
- Leroi Hicks, MD, MPHWilmington, DE 198011083665806
- Terry Horton, MDWilmington, DE 198011013072156
- Rose Kakoza, MDNewark, DE 198011659530087
- Armin Marefat, D.O.Wilmington, DE 198011629291000
Common questions
What is J. Daniel Hess, MD's NPI number?
J. Daniel Hess, MD's National Provider Identifier (NPI) is 1265666325, issued on May 5, 2009. An NPI identifies a provider in billing; it is not a license.
Where is J. Daniel Hess, MD located?
The NPPES record lists a practice address at 501 W 14TH St, Wilmington, DE, 19801. Phone: (302) 428-4411. Providers update this record themselves, so call before visiting.
How can I verify J. Daniel Hess, MD's license?
NPPES lists Delaware license number C1-0009589, 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.
How much does J. Daniel Hess, MD prescribe under Medicare Part D?
In 2024, J. Daniel Hess, MD had 55 Medicare Part D claims for 38 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.