Leah Jones Calder, PA-C
NPI 1063479608ActiveIndividual· Physician Assistant· Vicksburg, MS
Physician Assistant (PA-C) with The Dermatology Clinic, PLLC, practicing in Vicksburg, Mississippi. Their prescriptions cost Medicare Part D more than their services did: $164,643 for 340 claims, against $34,978 paid for services in 2024. Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $650.24 in all, mostly food and beverage. Lists Singing River Gulfport as a hospital affiliation.
Overview
| NPI | 1063479608 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Apr 27, 2006 |
| Last updated in NPPES | Jun 1, 2026 |
| Certified by provider | Jun 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA00133 | MS |
| Physician Assistant | 363A00000X | 004472 | GA |
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 (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 222 |
|---|---|
| Services billed | 857 across 36 procedure codes |
| Paid by Medicare | $34,978 |
Part D prescriptions in 2024
| Prescriptions (claims) | 340 · 366 30-day fills |
|---|---|
| Patients | 155 |
| Total drug cost | $164,643 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- The Dermatology Clinic, PLLCGulfport, MS · 8 clinicians
Hospital affiliation
- Singing River GulfportGulfport, MS
Industry payments (Open Payments)
- 2025$650.24 · 36 payments from 11 companies
- 2024$1,462 · 58 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $174.78 | 17 |
| Merz North America, Inc. | $151.57 | 1 |
| Novartis Pharmaceuticals Corporation | $145.74 | 8 |
| Lilly USA, LLC | $44.09 | 2 |
| Pfizer Inc. | $32.86 | 2 |
What the 2025 payments were for
- Food and Beverage$650.24 · 36 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant providers in Vicksburg
- 1235997669
- 1174087209
- 1174552566
- 1053977249
- 1427759513
- 1154789717
- 1396575049
- 1215334800
- 1386456499
- 1477013456
- 1225361702
- 1295766780