Tammy Renee Wegrzyn, NP
NPI 1801123914ActiveIndividual· Nurse Practitioner, Family· Riverside, CA
Nurse Practitioner, Family (NP) with Hmts Inc and 1 other group, practicing in Riverside, California. Their prescriptions cost Medicare Part D more than their services did: $68,100 for 1,012 claims, against $1,843 paid for services in 2024. Hologic Sales and Service, LLC reported $16.08 in payments in 2025, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian as a hospital affiliation.
Overview
| NPI | 1801123914 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Nov 10, 2009 |
| Last updated in NPPES | Feb 9, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 19081 | 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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 30 |
|---|---|
| Services billed | 46 across 10 procedure codes |
| Paid by Medicare | $1,843 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,012 · 1,016 30-day fills |
|---|---|
| Patients | 85 |
| Total drug cost | $68,100 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Hmts IncIrvine, CA · 118 clinicians
- Optima Health CorpRiverside, CA · 31 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Industry payments (Open Payments)
- 2025$16.08 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Hologic Sales and Service, LLC | $16.08 | 1 |
What the 2025 payments were for
- Food and Beverage$16.08 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 197 family nurse practitioners in Riverside · All family nurse practitioners in California