Quick answers
- Which hospitals does Mark R. Key work at?
- Medicare's official clinician data lists Mark R. Key at 5 hospitals: Covenant Childrens Hospital, Lynn County Hospital District, Medical Arts Hospital, Midland Memorial Hospital and University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark R. Key see patients?
- Medicare's clinician data lists 2 practice locations, including Lamesa, TX and Lubbock, TX. Call before your visit to confirm the address.
- What is Mark R. Key's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Mark R. Key accept Medicare assignment?
- Yes. Medicare's clinician data says Mark R. Key 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 R. Key?
- (806) 872-2183, as listed in official Medicare / NPI Registry data.
- What is Mark R. Key's NPI number?
- 1861684441. 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 R. Key works
Medicare's Facility Affiliation Data lists Mark R. Key at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Covenant Childrens HospitalLubbock, TX · Children's Hospital · CCN 453306
- Lynn County Hospital DistrictTahoka, TX · Critical Access Hospital · CCN 451351
- Medical Arts HospitalLamesa, TX · Acute Care Hospital · CCN 450489
- Midland Memorial HospitalMidland, TX · Acute Care Hospital · CCN 450133
- University Medical CenterLubbock, TX · Acute Care Hospital · CCN 450686
Practice locations
Addresses where Mark R. Key is enrolled with Medicare (CMS data updated 2026-10-02).
- 2200 N Bryan AveLamesa, TX 79331 (806) 872‑2183
- 5512 114th StLubbock, TX 79424 (806) 288‑1075
Group practices
Medicare enrollment lists Mark R. Key as a member of these groups (CMS data updated 2026-10-02).
- Dawson County Hospital District24 clinicians in the group
- Precision Longevity and Family Medicine2 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Texas Tech University Health Science Center School Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861684441 |
| 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