John H. Sherner III, MD
NPI 1043309024ActiveIndividual· Internal Medicine· Washington, DC
Internal Medicine (MD) in Washington, District of Columbia, trained at University of Texas Southwestern Medical School at Dallas (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $155,055 for 284 claims, against $40,125 paid for services in 2024. Caris Mpi, Inc. was the largest of 2 companies reporting payments in 2025, $58.72 in all, mostly food and beverage.
Overview
| NPI | 1043309024 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 11, 2006 |
| Last updated in NPPES | Sep 18, 2024 |
| Certified by provider | Sep 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD048582 | DC |
| Internal Medicine, Critical Care Medicine | 207RC0200X | MD32676 | DC |
| Internal Medicine, Pulmonary Disease | 207RP1001X | MD32676 | DC |
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 (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 275 |
|---|---|
| Services billed | 486 across 24 procedure codes |
| Paid by Medicare | $40,125 |
Part D prescriptions in 2024
| Prescriptions (claims) | 284 · 459 30-day fills |
|---|---|
| Patients | 60 |
| Total drug cost | $155,055 |
| Generic share | 41% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Critical Care (Intensivists), Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
Hospital affiliations
- Medstar Georgetown University HospitalWashington, DC
- Medstar Washington Hospital CenterWashington, DC
Industry payments (Open Payments)
- 2025$58.72 · 2 payments from 2 companies
- 2024$33.77 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Caris Mpi, Inc. | $34.97 | 1 |
| Merck Sharp & Dohme LLC | $23.75 | 1 |
What the 2025 payments were for
- Food and Beverage$58.72 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,030 internal medicine physicians in Washington · All internal medicine physicians in District of Columbia