Mary Elizabeth Cavnar-Johnson, M.D.
NPI 1467569400ActiveIndividual· Family Medicine· Kingwood, TX
Family Medicine (M.D.) in Kingwood, Texas, trained at University of Texas Medical School at San Antonio (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $790,690 for 8,312 claims, against $202,757 paid for services in 2024. Novo Nordisk Inc was the largest of 16 companies reporting payments in 2025, $771.90 in all, mostly food and beverage.
Overview
| NPI | 1467569400 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 24, 2006 |
| Last updated in NPPES | Aug 27, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | H 2293 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 532 |
|---|---|
| Services billed | 4,936 across 131 procedure codes |
| Paid by Medicare | $202,757 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,312 · 19,692 30-day fills |
|---|---|
| Patients | 646 |
| Total drug cost | $790,690 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at San Antonio |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | General Practice |
| Secondary specialties | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- David P Ellent PLLCSpring, TX · 58 clinicians
Hospital affiliations
- HCA Houston Healthcare KingwoodKingwood, TX
- Memorial Hermann Northeast HospitalHumble, TX
- Tops Surgical Specialty HospitalHouston, TX
Other facilities
- Vitalcaring GroupHome health agency · Kingwood, TX
- Pam Rehabilitation Hospital of Clear LakeInpatient rehabilitation facility · Webster, TX
Industry payments (Open Payments)
- 2025$771.90 · 39 payments from 16 companies
- 2024$777.95 · 41 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $104.38 | 5 |
| Pfizer Inc. | $97.24 | 4 |
| Lilly USA, LLC | $84.76 | 4 |
| Paratek Pharmaceuticals, Inc. | $73.99 | 4 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $63.79 | 4 |
What the 2025 payments were for
- Food and Beverage$771.90 · 39 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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