Jennifer Santiago Olesco, NP
NPI 1225771264ActiveIndividual· Nurse Practitioner, Family· Chula Vista, CA
Nurse Practitioner, Family (NP) with Balboa Nephrology Medical Group Inc, practicing in Chula Vista, California. Their prescriptions cost Medicare Part D more than their services did: $393,712 for 936 claims, against $10,480 paid for services in 2024. Fresenius USA Marketing, Inc. reported $25.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1225771264 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Apr 18, 2022 |
| Last updated in NPPES | Oct 5, 2026 |
| Certified by provider | Oct 5, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95020676 | CA |
| Nurse Practitioner | 363L00000X | 95020676 | 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 | 42 |
|---|---|
| Services billed | 70 across 6 procedure codes |
| Paid by Medicare | $10,480 |
Part D prescriptions in 2024
| Prescriptions (claims) | 936 · 1,638 30-day fills |
|---|---|
| Patients | 242 |
| Total drug cost | $393,712 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Balboa Nephrology Medical Group IncFountain Valley, CA · 76 clinicians
Industry payments (Open Payments)
- 2025$25.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $25.00 | 1 |
What the 2025 payments were for
- Food and Beverage$25.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 116 family nurse practitioners in Chula Vista · All family nurse practitioners in California