Douglas Tsang, PA-C
NPI 1821755927ActiveIndividual· Physician Assistant· Sherman, TX
Physician Assistant (PA-C) with Apex Wound Care and Hyperbaric Medicine PLLC, practicing in Sherman, Texas. Mostly services rather than prescriptions: Medicare paid $8,687 for 59 patients in 2024, with only 45 Part D claims. Smith+nephew, Inc. was the largest of 4 companies reporting payments in 2025, $92.33 in all, mostly food and beverage. Lists Texoma Medical Center as a hospital affiliation.
Overview
| NPI | 1821755927 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Nov 23, 2021 |
| Last updated in NPPES | May 24, 2024 |
| Certified by provider | May 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA15186 | TX |
| Physician Assistant | 363A00000X | 4605 | OK |
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 (OK); Practitioner - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 59 |
|---|---|
| Services billed | 154 across 12 procedure codes |
| Paid by Medicare | $8,687 |
Part D prescriptions in 2024
| Prescriptions (claims) | 45 · 45 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $6,048 |
| Generic share | 64% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Apex Wound Care and Hyperbaric Medicine PLLCSherman, TX · 2 clinicians
Hospital affiliation
- Texoma Medical CenterDenison, TX
Industry payments (Open Payments)
- 2025$92.33 · 4 payments from 4 companies
- 2024$281.30 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Smith+nephew, Inc. | $31.10 | 1 |
| Organogenesis Inc. | $25.38 | 1 |
| Hartmann USA, Inc. | $19.44 | 1 |
| Solventum Corporation | $16.41 | 1 |
What the 2025 payments were for
- Food and Beverage$92.33 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 physician assistants in Sherman · All physician assistants in Texas