John Martin Cassidy, M.D.
NPI 1134531106ActiveIndividual· Internal Medicine· Germantown, TN
Internal Medicine (M.D.) in Germantown, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $724,289 for 6,066 claims, against $143,875 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 25 companies reporting payments in 2025, $2,328 in all, mostly food and beverage.
Overview
| NPI | 1134531106 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 27, 2014 |
| Last updated in NPPES | Jun 25, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 56106 | TN |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 | 424 |
|---|---|
| Services billed | 4,860 across 88 procedure codes |
| Paid by Medicare | $143,875 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,066 · 14,372 30-day fills |
|---|---|
| Patients | 488 |
| Total drug cost | $724,289 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Baptist Memorial Medical Group, Inc.Germantown, TN · 576 clinicians
Hospital affiliations
- Baptist Memorial HospitalMemphis, TN
- Baptist Memorial Hospital TiptonCovington, TN
- Methodist Hospitals of MemphisMemphis, TN
- Saint Francis Bartlett Medical CenterBartlett, TN
Other facilities
- Baptist Trinity Homecare & HospiceHome health agency · Cordova, TN
- Beacon Home HealthHome health agency · Cordova, TN
Industry payments (Open Payments)
- 2025$2,328 · 134 payments from 25 companies
- 2024$2,705 · 164 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $370.97 | 22 |
| Pfizer Inc. | $312.02 | 21 |
| Novo Nordisk Inc | $276.69 | 14 |
| Abbvie Inc. | $244.42 | 17 |
| Lilly USA, LLC | $166.05 | 10 |
What the 2025 payments were for
- Food and Beverage$2,328 · 134 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 79 internal medicine physicians in Germantown · All internal medicine physicians in Tennessee