Quick answers
- Which hospitals does Mark Black work at?
- Medicare's official clinician data lists Mark Black at 3 hospitals: Hays Medical Center, Newman Regional Health and NMC Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Black see patients?
- Medicare's clinician data lists 1 practice location in Derby, KS. Call before your visit to confirm the address.
- What is Mark Black's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Mark Black accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Black 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 Black?
- (316) 425-2400, as listed in official Medicare / NPI Registry data.
- What is Mark Black's NPI number?
- 1598939340. 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 Black works
Medicare's Facility Affiliation Data lists Mark Black at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hays Medical CenterHays, KS · Acute Care Hospital · CCN 170013
- Newman Regional HealthEmporia, KS · Critical Access Hospital · CCN 171384
- NMC HealthNewton, KS · Acute Care Hospital · CCN 170103
Practice locations
Addresses where Mark Black is enrolled with Medicare (CMS data updated 2026-10-02).
- 3251 N Rock RdDerby, KS 67037 (316) 425‑2400
Group practices
Medicare enrollment lists Mark Black as a member of this group (CMS data updated 2026-10-02).
- Rock Regional Hospital LLC20 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Derby
Clinicians with the same Medicare primary specialty in Derby, KS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598939340 |
| 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