Mary Elizabeth Callahan, P.A.
NPI 1841632304ActiveIndividual· Physician Assistant, Medical· Stuart, FL
Physician Assistant, Medical (P.A.) with Conviva Medical Center Management, LLC, practicing in Stuart, Florida. Their prescriptions cost Medicare Part D more than their services did: $595,524 for 7,894 claims, against $98,039 paid for services in 2024. Janssen Biotech, Inc. reported $236.27 in payments in 2025, mostly food and beverage. Lists Cleveland Clinic Martin North Hospital as a hospital affiliation.
Overview
| NPI | 1841632304 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. |
| Sole proprietor | No |
| NPI issued | Jul 25, 2013 |
| Last updated in NPPES | Feb 25, 2026 |
| Certified by provider | Feb 25, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | PA9107349 | FL |
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 - Physician Assistant (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 387 |
|---|---|
| Services billed | 1,855 across 32 procedure codes |
| Paid by Medicare | $98,039 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,894 · 19,921 30-day fills |
|---|---|
| Patients | 847 |
| Total drug cost | $595,524 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Conviva Medical Center Management, LLCMargate, FL · 512 clinicians
Hospital affiliation
- Cleveland Clinic Martin North HospitalStuart, FL
Other facilities
- Anchor Home Health Services, LLCHome health agency · Stuart, FL
- Concierge Home CareHome health agency · Port Saint Lucie, FL
- Enhabit Home Health of Jupiter Medical CenterHome health agency · Jupiter, FL
- Vitas Healthcare Corporation of FloridaHospice · Melbourne, FL
Industry payments (Open Payments)
- 2025$236.27 · 12 payments from 1 company
- 2024$582.33 · 18 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $236.27 | 12 |
What the 2025 payments were for
- Food and Beverage$236.27 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other physician assistants in Stuart
- 1144520925
- 1497719538
- 1619646866
- 1679636583
- 1689915167
- 1144814815
- 1194260067
- 1578955118
- 1437485828
- 1477195790
- 1427096882
- 1447699491
All 17 physician assistants in Stuart · All physician assistants in Florida