Mark W. Udy, PA-C
NPI 1659405314ActiveIndividual· Physician Assistant, Medical· St George, UT
Physician Assistant, Medical (PA-C) with Desert Pain Specialists LLC, practicing in St George, Utah. Their prescriptions cost Medicare Part D more than their services did: $454,584 for 4,095 claims, against $190,392 paid for services in 2024. Boston Scientific Corporation was the largest of 9 companies reporting payments in 2025, $1,394 in all, mostly food and beverage. Lists St. George Regional Hospital as a hospital affiliation.
Overview
| NPI | 1659405314 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Mar 15, 2007 |
| Last updated in NPPES | Mar 29, 2023 |
| Certified by provider | Mar 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 6781192-1206 | UT |
| Physician Assistant, Medical | 363AM0700X | PA1599 | NV |
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 (NV); Practitioner - Physician Assistant (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 365 |
|---|---|
| Services billed | 12,094 across 19 procedure codes |
| Paid by Medicare | $190,392 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,095 · 4,381 30-day fills |
|---|---|
| Patients | 354 |
| Total drug cost | $454,584 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Desert Pain Specialists LLCMesquite, NV · 18 clinicians
Hospital affiliation
- St. George Regional HospitalSt George, UT
Industry payments (Open Payments)
- 2025$1,394 · 51 payments from 9 companies
- 2024$1,445 · 60 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $711.81 | 19 |
| Abbvie Inc. | $351.17 | 16 |
| Pfizer Inc. | $106.96 | 5 |
| Lundbeck LLC | $91.69 | 5 |
| Mml US, Inc. | $56.45 | 2 |
What the 2025 payments were for
- Food and Beverage$1,394 · 51 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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