Jennifer Hesser, MD
NPI 1124115845 · Neonatal-Perinatal Medicine Physician · Naperville, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Hesser, MD is a Neonatal-Perinatal Medicine Physician provider in Naperville, IL (NPI 1124115845).
Provider details
- NPI number
- 1124115845
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036109059 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 5841 S Maryland AveChicago, IL 60637-1443Phone: (888) 824-0200
Registry dates
- Enumerated
- 2006-10-06
- Last updated
- 2026-01-14
- Certified
- 2026-01-14
Frequently asked questions
- What is Jennifer Hesser's NPI number?
- Jennifer Hesser's National Provider Identifier (NPI) is 1124115845, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Hesser's specialty?
- Jennifer Hesser is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Hesser located?
- Jennifer Hesser's practice location on file with NPPES is 801 S Washington, Naperville, IL 60566.
- What is Jennifer Hesser's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Hesser is (847) 991-0440.
- Does Jennifer Hesser accept Medicare?
- Jennifer Hesser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Hesser's NPI active?
- Yes — Jennifer Hesser's NPI (1124115845) is active in the NPPES registry as of the last update on 2026-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.