Quick answers
- Where does Marlene E. Casiano see patients?
- Medicare's clinician data lists 2 practice locations, including Barrington, IL. Call before your visit to confirm the address.
- What is Marlene E. Casiano's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Marlene E. Casiano accept Medicare assignment?
- Yes. Medicare's clinician data says Marlene E. Casiano 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 Marlene E. Casiano offer telehealth?
- Medicare's clinician data says Marlene E. Casiano offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marlene E. Casiano?
- (847) 381-0073, as listed in official Medicare / NPI Registry data.
- What is Marlene E. Casiano's NPI number?
- 1821234907. 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 Marlene E. Casiano is enrolled with Medicare (CMS data updated 2026-10-02).
- 901 Fox Glen CourtBarrington, IL 60010
- 901 Fox Glen CtBarrington, IL 60010 (847) 381‑0073
Specialties
- Psychiatryprimary
Other psychiatrists in Barrington
Clinicians with the same Medicare primary specialty in Barrington, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1981 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1821234907 |
| 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