Quick answers
- Which hospitals does Marisha L. Cook work at?
- Medicare's official clinician data lists Marisha L. Cook at 2 hospitals: Javon Bea Hospital and Saint Anthony Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marisha L. Cook see patients?
- Medicare's clinician data lists 1 practice location in Rockford, IL. Call before your visit to confirm the address.
- What is Marisha L. Cook's specialty?
- Medicare lists Allergy/Immunology as the primary specialty, and also Internal Medicine.
- Does Marisha L. Cook accept Medicare assignment?
- Yes. Medicare's clinician data says Marisha L. Cook 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.
- Does Marisha L. Cook offer telehealth?
- Medicare's clinician data says Marisha L. Cook offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marisha L. Cook?
- (815) 971-5000, as listed in official Medicare / NPI Registry data.
- What is Marisha L. Cook's NPI number?
- 1356487904. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marisha L. Cook works
Medicare's Facility Affiliation Data lists Marisha L. Cook at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Javon Bea HospitalRockford, IL · Acute Care Hospital · closed, according to its website · CCN 140239
- Saint Anthony Medical CenterRockford, IL · Acute Care Hospital · CCN 140233
Practice locations
Addresses where Marisha L. Cook is enrolled with Medicare (CMS data updated 2026-10-02).
- 2400 N Rockton AveRockford, IL 61103 (815) 971‑5000
Group practices
Medicare enrollment lists Marisha L. Cook as a member of this group (CMS data updated 2026-10-02).
- Rockford Health Physicians521 clinicians in the group
Specialties
- Allergy/Immunologyprimary
- Internal Medicinealso
Other allergist and immunologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1356487904 |
| 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