Marshall R. Johnson Jr., MD
NPI 1124007984ActiveIndividual· Internal Medicine· Hendersonville, TN
Internal Medicine (MD) in Hendersonville, Tennessee, trained at University of Kentucky College of Medicine (class of 1994). 297 Medicare patients in 2024, $64,416 paid; nearly all of their 573 Part D prescriptions were generic (94%). Novo Nordisk Inc was the largest of 6 companies reporting payments in 2025, $128.34 in all, mostly food and beverage.
Overview
| NPI | 1124007984 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 11, 2006 |
| Last updated in NPPES | Oct 30, 2023 |
| Certified by provider | Oct 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD37449 | TN |
| Internal Medicine, Addiction Medicine | 207RA0401X | MD37449 | 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 | 297 |
|---|---|
| Services billed | 883 across 10 procedure codes |
| Paid by Medicare | $64,416 |
Part D prescriptions in 2024
| Prescriptions (claims) | 573 · 580 30-day fills |
|---|---|
| Patients | 314 |
| Total drug cost | $28,039 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | University of Kentucky College of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Internal Medicine |
Medical groups
- Advanced Diagnostic Imaging PCGoodlettsville, TN · 523 clinicians
- Hospital Medicine Services of Tn LLCNashville, TN · 275 clinicians
- Spero Health of Tennessee, LLCMadison, TN · 20 clinicians
Hospital affiliations
- Highpoint Health-Sumner With Ascension Saint ThomaGallatin, TN
- Tristar Hendersonville Medical CenterHendersonville, TN
Other facilities
- Nhc Homecare SpringfieldHome health agency · Springfield, TN
Industry payments (Open Payments)
- 2025$128.34 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $38.88 | 2 |
| Lilly USA, LLC | $21.59 | 1 |
| Inspire Medical Systems, Inc. | $18.43 | 1 |
| Astrazeneca Pharmaceuticals LP | $17.61 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $16.34 | 1 |
What the 2025 payments were for
- Food and Beverage$128.34 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 internal medicine physicians in Hendersonville · All internal medicine physicians in Tennessee