Quick answers
- Which hospitals does Stephen W. Marks Jr. work at?
- Medicare's official clinician data lists Stephen W. Marks Jr. at 2 hospitals: Norton Clark Hospital and Norton Hospitals, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen W. Marks Jr. see patients?
- Medicare's clinician data lists 7 practice locations, including Louisville, KY, Jeffersonville, IN and Indianapolis, IN. Call before your visit to confirm the address.
- What is Stephen W. Marks Jr.'s specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Stephen W. Marks Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen W. Marks Jr. 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 Stephen W. Marks Jr.?
- (502) 636-7225, as listed in official Medicare / NPI Registry data.
- What is Stephen W. Marks Jr.'s NPI number?
- 1679269518. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen W. Marks Jr. works
Medicare's Facility Affiliation Data lists Stephen W. Marks Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Norton Clark HospitalJeffersonville, IN · Acute Care Hospital · CCN 150009
- Norton Hospitals, IncLouisville, KY · Acute Care Hospital · CCN 180088
Practice locations
Addresses where Stephen W. Marks Jr. is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1 Audubon Plaza DrLouisville, KY 40217 (502) 636‑7225
- 1220 Missouri AveJeffersonville, IN 47130 (812) 283‑2581
- 1701 N Senate BlvdIndianapolis, IN 46202 (888) 484‑3258
- 200 E Chestnut StLouisville, KY 40202 (502) 893‑1270
- 2023 Mercy WayJeffersonville, IN 47130 (812) 283‑2581
Group practices
Medicare enrollment lists Stephen W. Marks Jr. as a member of these groups (CMS data updated 2026-10-02).
- IU Health Medical Group LLC4,462 clinicians in the group
- Community Medical Associates Inc1,372 clinicians in the group
- Norton Childrens Medical Group LLC227 clinicians in the group
- Emergency Medicine Physicians Associates PC18 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Louisville
Clinicians with the same Medicare primary specialty in Louisville, KY — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Marian University College Of Osteopathic Medicine |
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679269518 |
| 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