JENNIFER A HESSER MD
NPI 1124115845
Pediatrics - Neonatal-Perinatal Medicine in Naperville, IL

Q: What is Jennifer Hesser's NPI number?

The NPI number for Jennifer Hesser is 1124115845. It was assigned to this individual provider in the NPPES registry on October 6, 2006.

Q: What is Jennifer Hesser's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Q: When was this NPI record last updated?

The NPPES record for Jennifer Hesser was last updated on January 14, 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 October 06, 2006PECOS Enrolled

801 S WASHINGTON, NAPERVILLE, IL 60566(847) 991-0440(847) 991-0441 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Jennifer A Hesser Md NPPES

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

JENNIFER A HESSER MD (NPI 1124115845) is an individual neonatal-perinatal medicine provider in Naperville, Illinois, licensed in Illinois (036109059) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1124115845

Entity TypeIndividualFemale

Primary Taxonomy2080N0001X

Provider Legal NameJENNIFER A HESSERCredential: MD

Location Address801 S WASHINGTONNaperville, IL 60566

Mailing AddressPo Box 487Hinsdale, IL 60522-0487 · (847) 991-0440 · Fax (847) 991-0441

Phone(847) 991-0440

Fax(847) 991-0441

Sole ProprietorNo

Medical School CMSOtherGraduated 2000

Enumeration DateOctober 6, 2006

Last NPPES UpdateJanuary 14, 2026

NPPES CertifiedJanuary 14, 2026

✔ NPI 1124115845 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080N0001X

License✔ Licensed in IL · 036109059

Definition

A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

801 S WASHINGTON, Naperville, IL 60566

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Secondary Practice Location 1

Location 15841 S MARYLAND AVEChicago, IL 60637-1443 · Phone (888) 824-0200

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jennifer A Hesser Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID345732038

PECOS Enrollment IDI20251120001533

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.

Other Providers at the Same Location NPPES 2

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

RAJEEV S DIXIT MD

Pediatrics (Neonatal-Perinatal Medicine)

801 S WASHINGTON
NAPERVILLE, IL 60566

Dupage County (847) 991-0440

LESLIE R FAROLAN MD

Pediatrics (Neonatal-Perinatal Medicine)

801 S WASHINGTON
NAPERVILLE, IL 60566

Dupage County (847) 991-0440

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jennifer Hesser's NPI number?

The NPI number for Jennifer Hesser is 1124115845. It was assigned to this individual provider in the NPPES registry on October 6, 2006.

Where is Jennifer Hesser located?

Jennifer Hesser practices at 801 S Washington, Naperville, IL 60566. The listed phone number is (847) 991-0440.

What is Jennifer Hesser's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Jennifer Hesser enrolled in Medicare?

Yes. Jennifer Hesser is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jennifer Hesser was last updated on January 14, 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.