Quick answers
- Which hospitals does Mark L. Keller work at?
- Medicare's official clinician data lists Mark L. Keller at 1 hospital: Mary Lanning Healthcare. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark L. Keller see patients?
- Medicare's clinician data lists 1 practice location in Hastings, NE. Call before your visit to confirm the address.
- What is Mark L. Keller's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Mark L. Keller accept Medicare assignment?
- Yes. Medicare's clinician data says Mark L. Keller 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 L. Keller?
- (402) 463-2431, as listed in official Medicare / NPI Registry data.
- What is Mark L. Keller's NPI number?
- 1790762110. 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 L. Keller works
Medicare's Facility Affiliation Data lists Mark L. Keller at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mary Lanning HealthcareHastings, NE · Acute Care Hospital · CCN 280032
Practice locations
Addresses where Mark L. Keller is enrolled with Medicare (CMS data updated 2026-10-02).
- 2115 N Kansas Ave, Suite 203Hastings, NE 68901 (402) 463‑2431
Specialties
- Otolaryngologyprimary
Other ENT doctors in Nebraska
Clinicians with the same Medicare primary specialty in Nebraska — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790762110 |
| 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