Jennifer Lyn Fitzer, FNP-BC
Family Nurse Practitioner · Downers Grove, IL
At a glance
1441 Branding Ave Ste 310, Downers Grove, IL 60515-5624
NPPES record updated Nov 20, 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
1441 Branding Ave Ste 310Downers Grove, IL 60515-5624
Additional reported practice locations
23120 S Lagrange RdFrankfort, IL 604237760
Phone: 8155645440
Fax: 8159365404 25711 S Egyptian Trl
Monee, IL 604498118
Phone: 7085347523
Fax: 7085347657 1653 W Congress Pkwy
Seven Kellog
Chicago, IL 606123833
Phone: 3125633835 380 W North St
Manhattan, IL 604429839
Phone: 8154784975
Fax: 8159369203
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2009
- CMS specialties
- Nurse Practitioner
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
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.
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
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
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
- Family Nurse Practitioner
- Taxonomy code
- 363LF0000X
- Enumeration date
- May 21, 2010
- Record updated
- Nov 20, 2023
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- JENNIFER LYN HENNESSEY
- Reported credentials
- FNP-BC
Reported taxonomies and licenses
163W00000X
License reported: 041308450 IL
363LP0222X
License reported: 209-007791 IL
363LF0000X · Primary
License reported: 209007791 IL
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1441 Branding Ave Ste 310Downers Grove, IL 60515-5624
- Phone
- (630) 829-1038
Mailing address
29373 NETWORK PLCHICAGO, IL 606731293
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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