David L. Nerness, MD
NPI 1205870771ActiveIndividual· Family Medicine· Morristown, TN
Family Medicine (MD) in Morristown, Tennessee, trained at Loma Linda University School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $200,449 for 2,938 claims, against $42,255 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 13 companies reporting payments in 2025, $383.94 in all, mostly food and beverage.
Overview
| NPI | 1205870771 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 15, 2006 |
| Last updated in NPPES | Aug 19, 2025 |
| Certified by provider | Aug 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 67598 | TN |
| Family Medicine | 207Q00000X | ME68099 | FL |
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 - Family Practice (FL); Practitioner - Family Practice (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 251 |
|---|---|
| Services billed | 1,200 across 78 procedure codes |
| Paid by Medicare | $42,255 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,938 · 5,656 30-day fills |
|---|---|
| Patients | 630 |
| Total drug cost | $200,449 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Family Practice |
Medical groups
- Covenant Medical Group IncKnoxville, TN · 365 clinicians
- Champion Physical Therapy LLC HallsJohnson City, TN · 281 clinicians
Hospital affiliations
- Greeneville Community HospitalGreeneville, TN
- Morristown Hamblen Hospital AssociationMorristown, TN
Other facilities
- Amedisys Home Health CareHome health agency · Morristown, TN
Industry payments (Open Payments)
- 2025$383.94 · 21 payments from 13 companies
- 2024$743.87 · 52 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $85.30 | 4 |
| Dexcom, Inc. | $45.20 | 2 |
| Abbvie Inc. | $44.73 | 3 |
| Viatris Specialty LLC | $40.22 | 2 |
| Exact Sciences Corporation | $33.94 | 2 |
What the 2025 payments were for
- Food and Beverage$383.94 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 42 family medicine physicians in Morristown · All family medicine physicians in Tennessee