Teresa A. Grossi, N.P.
NPI 1700935103ActiveIndividual· Nurse Practitioner· Valencia, CA
Nurse Practitioner (N.P.) with Csi Medical Group, practicing in Valencia, California. Their prescriptions cost Medicare Part D more than their services did: $397,309 for 744 claims, against $127,334 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $1,774 in all, mostly food and beverage.
Overview
| NPI | 1700935103 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | N.P. |
| Sole proprietor | Yes |
| NPI issued | Jan 9, 2007 |
| Last updated in NPPES | Nov 6, 2020 |
| Certified by provider | Nov 6, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | NP15948 | 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 | 515 |
|---|---|
| Services billed | 3,693 across 32 procedure codes |
| Paid by Medicare | $127,334 |
Part D prescriptions in 2024
| Prescriptions (claims) | 744 · 806 30-day fills |
|---|---|
| Patients | 273 |
| Total drug cost | $397,309 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Csi Medical GroupFullerton, CA · 111 clinicians
Industry payments (Open Payments)
- 2025$1,774 · 105 payments from 17 companies
- 2024$996.50 · 39 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $464.65 | 31 |
| Lilly USA, LLC | $251.34 | 14 |
| Genzyme Corporation | $245.29 | 8 |
| Novartis Pharmaceuticals Corporation | $231.58 | 13 |
| Galderma Laboratories, L.P. | $197.55 | 20 |
What the 2025 payments were for
- Food and Beverage$1,774 · 105 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nurse practitioners in Valencia
- 1164001350
- 1821456716
- 1043823511
- 1740316017
- 1891928057
- 1649096744
- 1326912411
- 1245959022
- 1194277467