Quick answers
- Where does Ruth A. Mellenthin see patients?
- Medicare's clinician data lists 2 practice locations, including Hoffman Estates, IL and Chicago, IL. Call before your visit to confirm the address.
- What is Ruth A. Mellenthin's specialty?
- Medicare lists Clinical Social Worker as the primary specialty.
- Does Ruth A. Mellenthin accept Medicare assignment?
- Medicare's clinician data says Ruth A. Mellenthin may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Ruth A. Mellenthin?
- (888) 870-1775, as listed in official Medicare / NPI Registry data.
- What is Ruth A. Mellenthin's NPI number?
- 1104206655. 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 Ruth A. Mellenthin is enrolled with Medicare (CMS data updated 2026-10-02).
- 2500 W Higgins Rd, Suite 105Hoffman Estates, IL 60169 (888) 870‑1775
- 3166 N Lincoln Ave, Suite 401Chicago, IL 60657 (888) 870‑1775
Group practices
Medicare enrollment lists Ruth A. Mellenthin as a member of this group (CMS data updated 2026-10-02).
- Rodasi LLC35 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Hoffman Estates
Clinicians with the same Medicare primary specialty in Hoffman Estates, IL — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1104206655 |
| 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