NPPES file of Aug 9, 2026

Jennifer Laura Bleznak, MD

Pediatrics Physician · Wilmington, DE

Jennifer Laura Bleznak, MD is a pediatrics physician with a practice address in Wilmington, Delaware, and NPI 1477917839, issued on Apr 11, 2016. Check the license (Delaware C1-0024548, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477917839
Name
Jennifer Laura Bleznak
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
C1-0024548 DE
Self-reported in NPPES; status is on the state search
Practice location
1600 Rockland RD, Wilmington, DE 19803
Phone
(302) 651-4200
Enumerated
Apr 11, 2016
Record last updated
Feb 11, 2026
Medicare enrollment
Enrolled (PECOS I20220309000674); accepts Medicare assignment
Medical or professional school
Rowan University School Of Osteopathic Medicine, 2016
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 1600 Rockland RD

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

  1. Nicole Aaronson, M.D.Pediatric Otolaryngology Physician1285925305
  2. Erioluwa Akhimien, PHARMDPharmacist1295610541
  3. Brad Albertson, M.D.Pediatrics Physician1972983716
  4. Angela Alfano, M.S. CCC-SLPSpeech-Language Pathologist1942480579
  5. Lida Alimorad, D.D.SPediatric Dentistry1013201987
  6. Anthony Alioto, PH.DClinical Child & Adolescent Psychologist1134138662

Verify Jennifer Laura Bleznak 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 C1-0024548
    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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Bills Medicare through one group practice

  1. The Nemours FoundationWilmington, DE

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

175 pediatrics physician records list a practice address in Wilmington

They are 175 of the 6,291 NPPES records with a practice address in Wilmington, and 290 pediatrics physician records in Delaware.

Other pediatrics physician records in Delaware

  1. Elsayed Abdelsalam, MDCamden, DE1679714935
  2. Rebecca Achterhof, MDNewark, DE1477500742
  3. Ashley Adams, MDDover Afb, DE1023307865
  4. Nicole AdlerBear, DE1841985504
  5. Taqdees Afreen, M.D.Milford, DE1184903627
  6. Valerie Agbeko, M.DDover, DE1720242522
  7. Brad Albertson, M.D.Wilmington, DE1972983716
  8. Colleen Allorto, DOMilford, DE1740307297
  9. Joanne Amos, DO, PA-CWilmington, DE1760731970
  10. Amy Anzilotti, MDWilmington, DE1194927053

Common questions

What is Jennifer Laura Bleznak, MD's NPI number?

Jennifer Laura Bleznak, MD's National Provider Identifier (NPI) is 1477917839, issued on Apr 11, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Laura Bleznak, MD located?

The NPPES record lists a practice address at 1600 Rockland RD, Wilmington, DE, 19803. Phone: (302) 651-4200. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Laura Bleznak, MD's license?

NPPES lists Delaware license number C1-0024548, 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.