Quick answers
- Which hospitals does Jared T. Ahrendsen work at?
- Medicare's official clinician data lists Jared T. Ahrendsen at 3 hospitals: Northwestern Medicine Central Dupage Hospital, Northwestern Medicine McHenry and Northwestern Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jared T. Ahrendsen see patients?
- Medicare's clinician data lists 4 practice locations, including Chicago, IL. Call before your visit to confirm the address.
- What is Jared T. Ahrendsen's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Jared T. Ahrendsen accept Medicare assignment?
- Yes. Medicare's clinician data says Jared T. Ahrendsen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is Jared T. Ahrendsen's NPI number?
- 1881128155. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jared T. Ahrendsen works
Medicare's Facility Affiliation Data lists Jared T. Ahrendsen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · CCN 140116
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
Practice locations
Addresses where Jared T. Ahrendsen is enrolled with Medicare (CMS data updated 2026-10-02).
Group practices
Medicare enrollment lists Jared T. Ahrendsen as a member of this group (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Medical school | University Of Colorado School Of Medicine, Aurora |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881128155 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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