NPPES file of Aug 9, 2026

Kenneth Trzepkowski, M.D.

Family Medicine Physician · Newark, DE

Kenneth Trzepkowski, M.D. is a family medicine physician with a practice address in Newark, Delaware, and NPI 1699736140, issued on Mar 31, 2006. Check the license (Delaware C1-0011654, 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
1699736140
Name
Kenneth Trzepkowski
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
C1-0011654 DE
036625 GA
Self-reported in NPPES; status is on the state search
Practice location
4755 Ogletown Stanton RD, Newark, DE 19718
Phone
(302) 733-4186
Enumerated
Mar 31, 2006
Record last updated
Aug 2, 2016 (not updated in 10 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4755 Ogletown Stanton RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paolo Abiad, M.D.Student in an Organized Health Care Education/Training Program1376487736
  2. Jessica AddisStudent in an Organized Health Care Education/Training Program1043950389
  3. Mary Adebanjo, RNMedical-Surgical Registered Nurse1972342681
  4. Gounathan Adly, PHARMDStudent in an Organized Health Care Education/Training Program1215357082
  5. Inongo Agbormbai, DOStudent in an Organized Health Care Education/Training Program1497515654
  6. Mansoor Ahmad, MDInterventional Cardiology Physician1184014102

Verify Kenneth Trzepkowski 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 C1-0011654
    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.

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83% fewer Medicare Part D claims than the average family medicine physician in 2024

613 Medicare Part D claims for 152 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Kenneth Trzepkowski613
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium64 claims
  2. Sertraline Hcl25 claims
  3. Dexamethasone21 claims
  4. Furosemide21 claims
  5. Trazodone Hcl20 claims
  6. Diltiazem 24hr Er (Cd)19 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.

Kenneth Trzepkowski among 518 family medicine physician records in Delaware

Kenneth Trzepkowski, M.D. is one of 518 family medicine physician records with a practice address in Delaware. 80% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 49% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2016 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

84 family medicine physician records list a practice address in Newark

They are 84 of the 4,662 NPPES records with a practice address in Newark, and 518 family medicine physician records in Delaware.

The 8 family medicine physician records with the nearest ZIP codes

  1. Jarrett BrownNewark, DE 197181881057818
  2. Rachel Brown, DONewark, DE 197181609437474
  3. Shivdeep Deo, M.D.Newark, DE 197181922452010
  4. Benjamin GoldenNewark, DE 197181629430038
  5. Amber Higgins, MDNewark, DE 197181619464054
  6. Marshala Lee-McCall, MD, MPHNewark, DE 197181770872970
  7. Thucuc Nguyen, DONewark, DE 197181487060174
  8. Temitope Olatunji, M.DNewark, DE 197181154716223

Common questions

What is Kenneth Trzepkowski, M.D.'s NPI number?

Kenneth Trzepkowski, M.D.'s National Provider Identifier (NPI) is 1699736140, issued on Mar 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth Trzepkowski, M.D. located?

The NPPES record lists a practice address at 4755 Ogletown Stanton RD, Newark, DE, 19718. Phone: (302) 733-4186. Providers update this record themselves, so call before visiting.

How can I verify Kenneth Trzepkowski, M.D.'s license?

NPPES lists Delaware license number C1-0011654, 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 Kenneth Trzepkowski, M.D. prescribe under Medicare Part D?

In 2024, Kenneth Trzepkowski, M.D. had 613 Medicare Part D claims for 152 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.