Mark R. Key, M.D.
NPI 1861684441ActiveIndividual· Family Medicine· Lubbock, TX
Family Medicine (M.D.) in Lubbock, Texas, trained at Texas Tech University Health Science Center School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $1,182,799 for 12,297 claims, against $503.34 paid for services in 2024. Aimmune Therapeutics, Inc. was the largest of 5 companies reporting payments in 2025, $191.05 in all, mostly food and beverage.
Overview
| NPI | 1861684441 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 16, 2007 |
| Last updated in NPPES | Dec 15, 2025 |
| Certified by provider | Dec 15, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | N1362 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 16 across 7 procedure codes |
| Paid by Medicare | $503.34 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,297 · 25,451 30-day fills |
|---|---|
| Patients | 678 |
| Total drug cost | $1,182,799 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Texas Tech University Health Science Center School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Family Practice |
Medical groups
- Dawson County Hospital DistrictLamesa, TX · 24 clinicians
- Precision Longevity and Family MedicineLubbock, TX · 2 clinicians
Hospital affiliations
- Covenant Childrens HospitalLubbock, TX
- Lynn County Hospital DistrictTahoka, TX
- Medical Arts HospitalLamesa, TX
- Midland Memorial HospitalMidland, TX
- University Medical CenterLubbock, TX
Other facilities
- Angels Care Home HealthHome health agency · Lubbock, TX
- Calvert Home Health Care, LLCHome health agency · Lubbock, TX
- Centerwell Home HealthHome health agency · Lubbock, TX
- Excelacare Home HealthHome health agency · Lubbock, TX
- Home NursingHome health agency · Odessa, TX
- Home HospiceHospice · Odessa, TX
Industry payments (Open Payments)
- 2025$191.05 · 5 payments from 5 companies
- 2024$157.40 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aimmune Therapeutics, Inc. | $120.18 | 1 |
| Avadel Cns Pharmaceuticals, LLC | $24.30 | 1 |
| Phathom Pharmaceuticals, Inc. | $17.27 | 1 |
| Novo Nordisk Inc | $15.25 | 1 |
| Lilly USA, LLC | $14.05 | 1 |
What the 2025 payments were for
- Food and Beverage$191.05 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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