Diana Casallas, PA-C
NPI 1295107589ActiveIndividual· Physician Assistant· Abington, PA
Physician Assistant (PA-C) with Clinical Care Associates of the University of Pennsylvania Health., practicing in Abington, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $47,080 for 838 claims, against $11,789 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $30.46 in all, mostly food and beverage. Lists Doylestown Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1295107589 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 26, 2015 |
| Last updated in NPPES | Apr 16, 2020 |
| Certified by provider | Apr 16, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | MA061167 | PA |
| Physician Assistant | 363A00000X | C0005968 | 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 - Physician Assistant (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 125 |
|---|---|
| Services billed | 270 across 22 procedure codes |
| Paid by Medicare | $11,789 |
Part D prescriptions in 2024
| Prescriptions (claims) | 838 · 1,260 30-day fills |
|---|---|
| Patients | 260 |
| Total drug cost | $47,080 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Clinical Care Associates of the University of Pennsylvania Health.Philadelphia, PA · 598 clinicians
Hospital affiliations
- Doylestown HospitalDoylestown, PA
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- St Luke's Hospital - Grand View CampusSellersville, PA
Industry payments (Open Payments)
- 2025$30.46 · 2 payments from 2 companies
- 2024$38.72 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $15.79 | 1 |
| Exact Sciences Corporation | $14.67 | 1 |
What the 2025 payments were for
- Food and Beverage$30.46 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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