Quick answers
- Which hospitals does Ruth D. Kozlowski work at?
- Medicare's official clinician data lists Ruth D. Kozlowski at 1 hospital: Huron Valley-Sinai Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ruth D. Kozlowski see patients?
- Medicare's clinician data lists 3 practice locations, including Commerce Township, MI and Detroit, MI. Call before your visit to confirm the address.
- What is Ruth D. Kozlowski's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Rheumatology.
- Does Ruth D. Kozlowski accept Medicare assignment?
- Yes. Medicare's clinician data says Ruth D. Kozlowski 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 Ruth D. Kozlowski?
- (313) 745-5227, as listed in official Medicare / NPI Registry data.
- What is Ruth D. Kozlowski's NPI number?
- 1174598270. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ruth D. Kozlowski works
Medicare's Facility Affiliation Data lists Ruth D. Kozlowski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Huron Valley-Sinai HospitalCommerce Township, MI · Acute Care Hospital · CCN 230277
Practice locations
Addresses where Ruth D. Kozlowski is enrolled with Medicare (CMS data updated 2026-10-02).
- 2455 Union Lake RdCommerce Township, MI 48382
- 3901 Beaubien 1st FloorDetroit, MI 48201 (313) 745‑5227
- 3901 Beaubien StDetroit, MI 48201
Group practices
Medicare enrollment lists Ruth D. Kozlowski as a member of this group (CMS data updated 2026-10-02).
- VHS Physicians of Michigan219 clinicians in the group
Specialties
- Internal Medicineprimary
- Rheumatologyalso
Other internal medicine doctors in Commerce Township
Clinicians with the same Medicare primary specialty in Commerce Township, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1983 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174598270 |
| 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