Joseph John Barth III, MD
NPI 1164571741ActiveIndividual· Internal Medicine· Prince Frederick, MD
Internal Medicine (MD) in Prince Frederick, Maryland, trained at University of Texas Medical School at Houston (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $607,166 for 8,379 claims, against $384,574 paid for services in 2024.
Overview
| NPI | 1164571741 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 10, 2007 |
| Last updated in NPPES | Jul 9, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D52242 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 770 |
|---|---|
| Services billed | 14,191 across 98 procedure codes |
| Paid by Medicare | $384,574 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,379 · 19,128 30-day fills |
|---|---|
| Patients | 538 |
| Total drug cost | $607,166 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Calvert Internal Medicine Group, PADunkirk, MD · 39 clinicians
Hospital affiliations
- Calverthealth Medical CenterPrince Frederick, MD
- Medstar Saint Mary's HospitalLeonardtown, MD
Other facilities
- Chesapeake - Potomac Home Health Agency, Inc.Home health agency · Hughesville, MD
- HomecallHome health agency · Easton, MD
- Medstar Health Home CareHome health agency · Hyattsville, MD
- Hospice of the Chesapeake, Inc.Hospice · Prince Frederick, MD
- Asbury SolomonsNursing home · Solomons, MD
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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