Jennifer C Simonaire, DO
Allergy/Immunology · Pediatric Medicine (CMS) · Winfield, IL
At a glance
0S036 Church St Ste 300, Winfield, IL 60190-1203
NPPES record updated Mar 31, 2023. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
0S036 Church St Ste 300Winfield, IL 60190-1203
Additional reported practice locations
908 N Elm St Ste 205Hinsdale, IL 605213637
Phone: 6304550456
Fax: 6304550626 1250 E. Marshall St.
Richmond, VA 23298
Phone: 8046285882
Education & affiliations
- Medical / professional school
- Midwestern University, Chicago College Of Osteopathic Med
- Graduation year
- 2014
- CMS specialties
- Allergy/Immunology · Pediatric Medicine
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Northwestern Medicine Central Dupage Hospital Winfield, IL
- Northwestern Medicine Delnor Community Hospital Geneva, IL
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $101.40 |
Reporting companies
| Company | Amount |
|---|---|
| REGENERON HEALTHCARE SOLUTIONS, INC. | $101.40 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Allergy/Immunology · Pediatric Medicine (CMS)
- Taxonomy code
- 207KA0200X
- Enumeration date
- Mar 24, 2014
- Record updated
- Mar 31, 2023
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- JENNIFER CHRISTINE HEIDEN
- Reported credentials
- DO
Reported taxonomies and licenses
207K00000X
License reported: 0102205047 VA
207KA0200X · Primary
License reported: 036149621 IL
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
0S036 Church St Ste 300Winfield, IL 60190-1203
- Phone
- (331) 732-6300
- Fax
- (331) 732-6301
Mailing address
0S036 CHURCH ST STE 300WINFIELD, IL 601901203
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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