DR. JENNIFER LAURA BLEZNAK MD
NPI 1477917839
Pediatrics in Wilmington, DE

Q: What is Jennifer Bleznak's NPI number?

The NPI number for Jennifer Bleznak is 1477917839. It was assigned to this individual provider in the NPPES registry on April 11, 2016.

Q: What is Jennifer Bleznak's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Jennifer Bleznak was last updated on February 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 11, 2016PECOS EnrolledAccepts Medicare Assignment

1600 ROCKLAND RD, WILMINGTON, DE 19803(302) 651-4200 Get Directions Write a Review

NPPES record last updated: February 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 7, 2020, Jun 25, 2016 (2 updates tracked since 2016).

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About Dr. Jennifer Laura Bleznak Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JENNIFER LAURA BLEZNAK MD (NPI 1477917839) is an individual pediatrics provider in Wilmington, Delaware, licensed in Delaware (C1-0024548) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS and is a graduate of Rowan University School Of Osteopathic Medicine (2016).

NPPES Registry Identity

NPI1477917839

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameDR. JENNIFER LAURA BLEZNAKCredential: MD

Location Address1600 ROCKLAND RDWilmington, DE 19803-3607

Mailing AddressPo Box 191Rockland, DE 19732-0191 · (302) 651-6718

Phone(302) 651-4200

Sole ProprietorNo

Medical School CMSRowan University School Of Osteopathic MedicineGraduated 2016

Enumeration DateApril 11, 2016

Last NPPES UpdateFebruary 11, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 11, 2026

✔ NPI 1477917839 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in DE · C1-0024548

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Also ListedGeneral PracticeTaxonomy 208D00000X · License C1-0024548 (DE)

1600 ROCKLAND RD, Wilmington, DE 19803

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Other Identifiers 1

Other0101266625VA · State License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jennifer Laura Bleznak Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9931498029

PECOS Enrollment IDI20220309000674

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19803 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$88.37 typical visit price

range $57.12 – $173.08

Typical copayment $22.09 (range $14.28 – $43.27)

Most-billed visit code 99203

Established Patient

$100.68 typical visit price

range $18.36 – $141.05

Typical copayment $25.17 (range $4.59 – $35.26)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOANNA COSTA MD

Pediatrics (Neonatal-Perinatal Medicine)