Christian F. Lansing, M.D.
NPI 1568603512ActiveIndividual· Internal Medicine· Morristown, TN
Internal Medicine (M.D.) in Morristown, Tennessee, licensed in TN, with an NPI issued in March 2009. Their prescriptions cost Medicare Part D more than their services did: $628,728 for 4,105 claims, against $34,871 paid for services in 2024. Corcept Therapeutics reported $35.30 in payments in 2025, mostly food and beverage. Lists Morristown Hamblen Hospital Association and 1 other hospital as hospital affiliations.
Overview
| NPI | 1568603512 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 19, 2009 |
| Last updated in NPPES | Oct 24, 2025 |
| Certified by provider | Oct 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 51735 | 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 - Internal Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 543 across 41 procedure codes |
| Paid by Medicare | $34,871 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,105 · 6,388 30-day fills |
|---|---|
| Patients | 201 |
| Total drug cost | $628,728 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Morristown Hamblen Hospital AssociationMorristown, TN
- Tennova Healthcare-Jefferson Memorial HospitalJefferson City, TN
Industry payments (Open Payments)
- 2025$35.30 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Corcept Therapeutics | $35.30 | 2 |
What the 2025 payments were for
- Food and Beverage$35.30 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 internal medicine physicians in Morristown · All internal medicine physicians in Tennessee