Thomas Andrew Hryniewicki, M.D.
NPI 1992807341ActiveIndividual· Internal Medicine· Orange, CA
Internal Medicine (M.D.) in Orange, California, trained at University of California, Irvine, California College of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $745,388 for 10,775 claims, against $117,575 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 10 companies reporting payments in 2024, $295.81 in all, mostly food and beverage.
Overview
| NPI | 1992807341 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 5, 2006 |
| Last updated in NPPES | Nov 20, 2025 |
| Certified by provider | Nov 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G50543 | CA |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 493 |
|---|---|
| Services billed | 2,118 across 37 procedure codes |
| Paid by Medicare | $117,575 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,775 · 26,317 30-day fills |
|---|---|
| Patients | 962 |
| Total drug cost | $745,388 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of California, Irvine, California College of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Healthcare Partners Affiliates Medical GroupAnaheim, CA · 754 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Providence St. Joseph HospitalOrange, CA
- Providence St. Jude Medical CenterFullerton, CA
- Uci Health-OrangeOrange, CA
Other facilities
- Apex Home Health Care ServicesHome health agency · Santa Ana, CA
- Hollywood Home Health ServicesHome health agency · N Hollywood, CA
- Leo Home Health IncHome health agency · Van Nuys, CA
- Providence at Home With Compassus Home Health Orange CountyHome health agency · Anaheim, CA
- Providence at Home With Compassus Home Health, Orange County SouthHome health agency · Irvine, CA
Industry payments (Open Payments)
- 2024$295.81 · 14 payments from 10 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $55.11 | 3 |
| Abiomed | $50.37 | 2 |
| Novo Nordisk Inc | $37.40 | 2 |
| Lilly USA, LLC | $27.79 | 1 |
| Abbvie Inc. | $27.12 | 1 |
What the 2024 payments were for
- Food and Beverage$295.81 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 224 internal medicine physicians in Orange · All internal medicine physicians in California