Quick answers
- Which hospitals does Mark Saks work at?
- Medicare's official clinician data lists Mark Saks at 3 hospitals: Christiana Hospital, Riddle Memorial Hospital and Union Hospital of Cecil County. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Saks see patients?
- Medicare's clinician data lists 4 practice locations, including Elkton, MD, Media, PA and Newark, DE. Call before your visit to confirm the address.
- What is Mark Saks's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Mark Saks accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Saks 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 Saks?
- (410) 398-4000, as listed in official Medicare / NPI Registry data.
- What is Mark Saks's NPI number?
- 1366482739. 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 Saks works
Medicare's Facility Affiliation Data lists Mark Saks at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Christiana HospitalNewark, DE · Acute Care Hospital · CCN 080001
- Riddle Memorial HospitalMedia, PA · Acute Care Hospital · CCN 390222
- Union Hospital of Cecil CountyElkton, MD · Acute Care Hospital · CCN 210032
Practice locations
Addresses where Mark Saks is enrolled with Medicare (CMS data updated 2026-10-02).
- 106 Bow StElkton, MD 21921 (410) 398‑4000
- 1068 W Baltimore PikeMedia, PA 19063 (484) 337‑3583
- 4755 Ogletown Stanton RdNewark, DE 19718 (302) 733‑1000
- 621 Middletown Odessa RdMiddletown, DE 19709 (302) 203‑1300
Group practices
Medicare enrollment lists Mark Saks as a member of these groups (CMS data updated 2026-10-02).
- Christiana Care Emergency Physicians LLC76 clinicians in the group
- Main Line Emergency Med Associates LLC52 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Elkton
Clinicians with the same Medicare primary specialty in Elkton, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366482739 |
| 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