NPPES file of Aug 9, 2026

David R. Trinkley, MD

Internal Medicine Physician · Rehoboth Beach, DE

David R. Trinkley, MD is an internal medicine physician with a practice address in Rehoboth Beach, Delaware, and NPI 1982764536, issued on Dec 12, 2006. Check the license (Delaware C1-0025428, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1982764536
Name
David R. Trinkley
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
C1-0025428 DE
MD054528L PA
Self-reported in NPPES; status is on the state search
Practice location
18742 Coastal Hwy, Rehoboth Beach, DE 19971
Phone
(302) 703-3980
Enumerated
Dec 12, 2006
Record last updated
Dec 19, 2022
Medicaid ID
000318803 PA
Medicare enrollment
Enrolled (PECOS I20221020000296); accepts Medicare assignment
Medical or professional school
Hahnemann University College Of Medicine, 1992
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Verify David R. Trinkley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
    Search for license C1-0025428
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Delaware license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.1 times the Medicare Part D claims of the average internal medicine physician in 2024

6,661 Medicare Part D claims for 605 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 72 claims were for opioids.

  1. David Trinkley6,661
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium566 claims
  2. Atorvastatin Calcium346 claims
  3. Amlodipine Besylate311 claims
  4. Levothyroxine Sodium258 claims
  5. Prednisone248 claims
  6. Lisinopril187 claims

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

  1. Christiana Care Health Services IncRehoboth Beach, DE

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David R. Trinkley among 600 internal medicine physician records in Delaware

David R. Trinkley, 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
  • Graduated1992 · median 2008 among the 414 with a school on file
  • Record last updated2022 · 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).

Internal Medicine Physician providers in Delaware

There are 600 internal medicine physician records in Delaware.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Heyue Du, M.D.Ocean View, DE 199701073298139
  2. Yeswanth Attoti, MDSeaford, DE 199731972095198
  3. Maushumi Barooah, MDSeaford, DE 199731346406097
  4. Louis Crevecoeur, MDSeaford, DE 199731609127893
  5. Mark Evangelista, M.D.Seaford, DE 199731700036241
  6. Fred Kahn, MDSeaford, DE 199731891877635
  7. Ronald Luna, MDSeaford, DE 199731285982447
  8. Kwabena Osei-BonsuSeaford, DE 199731366964306

Common questions

What is David R. Trinkley, MD's NPI number?

David R. Trinkley, MD's National Provider Identifier (NPI) is 1982764536, issued on Dec 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David R. Trinkley, MD located?

The NPPES record lists a practice address at 18742 Coastal Hwy, Rehoboth Beach, DE, 19971. Phone: (302) 703-3980. Providers update this record themselves, so call before visiting.

How can I verify David R. Trinkley, MD's license?

NPPES lists Delaware license number C1-0025428, 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 David R. Trinkley, MD prescribe under Medicare Part D?

In 2024, David R. Trinkley, MD had 6,661 Medicare Part D claims for 605 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.