Ryan Matthiesen, DO
NPI 1326480732ActiveIndividual· Family Medicine· Denton, TX
Family Medicine (DO) in Denton, Texas, trained at Oklahoma State University College of Osteopathic Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $109,255 for 1,320 claims, against $17,374 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 3 companies reporting payments in 2025, $55.76 in all, mostly food and beverage.
Overview
| NPI | 1326480732 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Jul 26, 2013 |
| Last updated in NPPES | Nov 24, 2025 |
| Certified by provider | Nov 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | Q3232 | TX |
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 - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 103 |
|---|---|
| Services billed | 767 across 40 procedure codes |
| Paid by Medicare | $17,374 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,320 · 2,758 30-day fills |
|---|---|
| Patients | 159 |
| Total drug cost | $109,255 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Oklahoma State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Family Practice |
| Secondary specialties | Sports Medicine |
Medical group
- Primary Health Physicians PLLCKeller, TX · 239 clinicians
Industry payments (Open Payments)
- 2025$55.76 · 3 payments from 3 companies
- 2024$1,322 · 28 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $20.87 | 1 |
| Pfizer Inc. | $19.72 | 1 |
| Dexcom, Inc. | $15.17 | 1 |
What the 2025 payments were for
- Food and Beverage$55.76 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 105 family medicine physicians in Denton · All family medicine physicians in Texas