Joanne Langton, MD
NPI 1255375465ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Morristown, TN
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Healthstar Physicians PC, practicing in Morristown, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $4,324,028 for 12,418 claims, against $185,092 paid for services in 2024. Lilly USA, LLC was the largest of 20 companies reporting payments in 2025, $1,897 in all, mostly food and beverage. Lists Claiborne Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1255375465 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 16, 2006 |
| Last updated in NPPES | Feb 9, 2024 |
| Certified by provider | Feb 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | MD36556 | TN |
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 - Endocrinology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 366 |
|---|---|
| Services billed | 23,723 across 62 procedure codes |
| Paid by Medicare | $185,092 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,418 · 23,453 30-day fills |
|---|---|
| Patients | 958 |
| Total drug cost | $4,324,028 |
| Generic share | 49% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
Medical group
- Healthstar Physicians PCNewport, TN · 88 clinicians
Hospital affiliations
- Claiborne Medical CenterTazewell, TN
- Leconte Medical CenterSevierville, TN
- Morristown Hamblen Hospital AssociationMorristown, TN
Industry payments (Open Payments)
- 2025$1,897 · 110 payments from 20 companies
- 2024$1,748 · 99 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $337.34 | 24 |
| Novo Nordisk Inc | $208.35 | 11 |
| Insulet Corporation | $204.09 | 10 |
| Abbott Laboratories | $159.60 | 9 |
| Dexcom, Inc. | $159.24 | 7 |
What the 2025 payments were for
- Food and Beverage$1,897 · 110 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records