NPPES file of Aug 9, 2026

Kenneth M. Demarco, MD

Specialist · Wilmington, DE

Kenneth M. Demarco, MD is a specialist with a practice address in Wilmington, Delaware, and NPI 1841289899, issued on Oct 20, 2005. Check the license (Delaware C100003230, as entered in NPPES) with the Delaware board that licenses this profession; 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
1841289899
Name
Kenneth M. Demarco
Credential
MD
Primary taxonomy
Specialist 174400000X
License number
C100003230 DE
Self-reported in NPPES; status is on the state search
Practice location
2700 Silverside RD, Wilmington, DE 19810
Phone
(302) 478-0400
Enumerated
Oct 20, 2005
Record last updated
Sep 21, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(302) 478-3827
Medicaid ID
000055901 DE
Medicare enrollment
Enrolled (PECOS I20090401000099); accepts Medicare assignment
Medical or professional school
Hahnemann University College Of Medicine, 1986
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.
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Also registered at 2700 Silverside RD

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

  1. Gina Chan, MDLegal Medicine1063477792
  2. Maria Diaz-Stanchi, M.D.Legal Medicine1043276272
  3. Kristine Diehl, MDFamily Medicine Physician1245213933
  4. Darren Franczyk, M.D.Pediatrics Physician1275532939
  5. Wayne Garraway, DOGeneral Practice Physician1871660845
  6. Jack Horowitz, MDEmergency Medicine Physician1982652137

Verify Kenneth M. Demarco in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Delaware board licenses this profession
    Search for license C100003230
    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
Find the Delaware license search

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4.0 times the Medicare Part D claims of the average specialist in 2024

5,522 Medicare Part D claims for 502 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Kenneth Demarco5,522
  2. Specialty average1,380

Most prescribed

  1. Atorvastatin Calcium545 claims
  2. Rosuvastatin Calcium482 claims
  3. Amlodipine Besylate373 claims
  4. Levothyroxine Sodium263 claims
  5. Losartan Potassium233 claims
  6. Lisinopril141 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 2 group practices

  1. Cora Health Services IncThe Villages, FL
  2. Wilmington Medical Associates, P.A.Wilmington, DE

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

Kenneth M. Demarco among 133 specialist records in Delaware

Kenneth M. Demarco, MD is one of 133 specialist records with a practice address in Delaware. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 32% of these records are
  • In the CMS Doctors and Clinicians fileYes · 22% of these records are
  • Graduated1986 · median 1990 among the 29 with a school on file
  • Record last updated2010 · 88% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in Delaware

There are 133 specialist records in Delaware.

The 8 specialist records with the nearest ZIP codes

  1. Fanny Berg, MDWilmington, DE 198101720182256
  2. Kathleen Forrest, PTAWilmington, DE 198101013346030
  3. Nashia Foreman, LBSWilmington, DE 198091982531828
  4. Ashlee-Raine Hutras, MTWilmington, DE 198091487071254
  5. Vincent Lanzendorfer, MASSAGE THERAPISTWilmington, DE 198091316215106
  6. Jocelyn StakerWilmington, DE 198091053740480
  7. Ronnie YaskinWilmington, DE 198091306261094
  8. Michael Brooks, MDWilmington, DE 198081881695039

Common questions

What is Kenneth M. Demarco, MD's NPI number?

Kenneth M. Demarco, MD's National Provider Identifier (NPI) is 1841289899, issued on Oct 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth M. Demarco, MD located?

The NPPES record lists a practice address at 2700 Silverside RD, Wilmington, DE, 19810. Phone: (302) 478-0400. Providers update this record themselves, so call before visiting.

How can I verify Kenneth M. Demarco, MD's license?

NPPES lists Delaware license number C100003230, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.

How much does Kenneth M. Demarco, MD prescribe under Medicare Part D?

In 2024, Kenneth M. Demarco, MD had 5,522 Medicare Part D claims for 502 beneficiaries; the average among specialist prescribers was 1,380. 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.