Catherine Johnson Casto, MD
NPI 1619950961ActiveIndividual· Obstetrics & Gynecology· Salisbury, MD
Obstetrics & Gynecology (MD) with Tidalhealth Specialty Care LLC, practicing in Salisbury, Maryland. Their prescriptions cost Medicare Part D more than their services did: $71,564 for 779 claims, against $5,657 paid for services in 2024. Baxter Healthcare was the largest of 8 companies reporting payments in 2025, $325.36 in all, mostly food and beverage. Lists Atlantic General Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1619950961 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 21, 2005 |
| Last updated in NPPES | Oct 16, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | D0056204 | MD |
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 - Obstetrics/Gynecology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 30 |
|---|---|
| Services billed | 36 across 8 procedure codes |
| Paid by Medicare | $5,657 |
Part D prescriptions in 2024
| Prescriptions (claims) | 779 · 1,635 30-day fills |
|---|---|
| Patients | 228 |
| Total drug cost | $71,564 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Tidalhealth Specialty Care LLCSalisbury, MD · 398 clinicians
Hospital affiliations
- Atlantic General HospitalBerlin, MD
- Beebe Medical CenterLewes, DE
- Tidalhealth Peninsula Regional, IncSalisbury, MD
Industry payments (Open Payments)
- 2025$325.36 · 11 payments from 8 companies
- 2024$197.09 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Baxter Healthcare | $113.01 | 1 |
| Ethicon US, LLC | $54.84 | 1 |
| Hologic Sales and Service, LLC | $38.23 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $38.09 | 2 |
| Organon LLC | $27.00 | 1 |
What the 2025 payments were for
- Food and Beverage$325.36 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other OB-GYNs in Salisbury
- 1083709281
- 1104072123
- 1376995035
- 1427031459
- 1437649357
- 1487214359
- 1487637385
- 1972537496
- 1174881072
- 1366490898
- 1598993800
- 1609814326