Quick answers
- Which hospitals does Mark H. Sahlol work at?
- Medicare's official clinician data lists Mark H. Sahlol at 5 hospitals: Franciscan Health Crown Point, Franciscan Health Dyer, Franciscan Health Munster, Indiana University Health and Methodist Hospitals Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark H. Sahlol see patients?
- Medicare's clinician data lists 3 practice locations, including Dyer, IN, Hammond, IN and Crown Point, IN. Call before your visit to confirm the address.
- What is Mark H. Sahlol's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Mark H. Sahlol accept Medicare assignment?
- Yes. Medicare's clinician data says Mark H. Sahlol 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 Mark H. Sahlol?
- (219) 864-2059, as listed in official Medicare / NPI Registry data.
- What is Mark H. Sahlol's NPI number?
- 1184930604. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark H. Sahlol works
Medicare's Facility Affiliation Data lists Mark H. Sahlol at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Franciscan Health Crown PointCrown Point, IN · Acute Care Hospital · CCN 150126
- Franciscan Health DyerDyer, IN · Acute Care Hospital · CCN 150090
- Franciscan Health MunsterMunster, IN · Acute Care Hospital · CCN 150165
- Indiana University HealthIndianapolis, IN · Acute Care Hospital · CCN 150056
- Methodist Hospitals IncGary, IN · Acute Care Hospital · CCN 150002
Practice locations
Addresses where Mark H. Sahlol is enrolled with Medicare (CMS data updated 2026-10-02).
- 24 Joliet St, Suite 101Dyer, IN 46311 (219) 864‑2059
- 5454 Hohman AveHammond, IN 46320 (219) 932‑2300
- 9509 Georgia StCrown Point, IN 46307 (219) 472‑2200
Group practices
Medicare enrollment lists Mark H. Sahlol as a member of these groups (CMS data updated 2026-10-02).
- Franciscan Physician Network1,170 clinicians in the group
- HS Medical Care, Inc.2 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Dyer
Clinicians with the same Medicare primary specialty in Dyer, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184930604 |
| 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