Quick answers
- Where does Therese C. Derecho see patients?
- Medicare's clinician data lists 1 practice location in Crystal Lake, IL. Call before your visit to confirm the address.
- What is Therese C. Derecho's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Therese C. Derecho accept Medicare assignment?
- Yes. Medicare's clinician data says Therese C. Derecho 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 the phone number for Therese C. Derecho?
- (815) 404-0595, as listed in official Medicare / NPI Registry data.
- What is Therese C. Derecho's NPI number?
- 1245198936. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Therese C. Derecho is enrolled with Medicare (CMS data updated 2026-10-02).
- 333 Commerce Dr, Suite 600Crystal Lake, IL 60014 (815) 404‑0595
Group practices
Medicare enrollment lists Therese C. Derecho as a member of this group (CMS data updated 2026-10-02).
- Reasons Health, PLLC6 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Crystal Lake
Clinicians with the same Medicare primary specialty in Crystal Lake, IL — not a recommendation.
Clinician information
| Graduation year | 2025 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245198936 |
| 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
- 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