Quick answers
- Does Jennifer M. Zenk accept Medicare assignment?
- Yes. Medicare's clinician data says Jennifer M. Zenk accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Jennifer M. Zenk see?
- In 2024, CMS data shows 334 Original Medicare patients and 749 services for Jennifer M. Zenk. This counts Original Medicare only and measures volume, not quality.
- What is Jennifer M. Zenk's NPI number?
- 1689263444. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Jennifer M. Zenk, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 334 |
|---|---|
| Services billed to Medicare | 749 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)176 services
- Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)173 services
- Removal of skin and tissue, 20.0 sq cm or less (11042)83 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)41 services
- Removal of tissue from wound, 20.0 sq cm or less (97597)39 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis66%
- Chronic kidney disease56%
- Diabetes55%
- Ischemic heart disease55%
Hospitals where Jennifer M. Zenk works
Medicare's Facility Affiliation Data lists Jennifer M. Zenk at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140116
Practice locations
Addresses where Jennifer M. Zenk is enrolled with Medicare (CMS data updated October 2, 2026).
- 10400 Haligus RdHuntley, IL 60142 (815) 356‑2323
- 1800 N Main StWheaton, IL 60187 (630) 933‑4800
- 3707 Doty RdWoodstock, IL 60098
- 4309 W Medical Ctr Dr, Suite A200McHenry, IL 60050 (815) 759‑8070
Group practices
Medicare enrollment lists Jennifer M. Zenk as a member of this group (CMS data updated October 2, 2026).
- Central Dupage Physician Group1,080 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Huntley
Clinicians with the same Medicare primary specialty in Huntley, IL — not a recommendation.
Other clinicians in Central Dupage Physician Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2020 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689263444 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians