Stephen Paul Del Rosario Tinio, M.D.
NPI 1093973018ActiveIndividual· Family Medicine· Oceanside, CA
Family Medicine (M.D.) with Graybill Medical Group Inc, practicing in Oceanside, California. Their prescriptions cost Medicare Part D more than their services did: $455,136 for 4,907 claims, against $27,906 paid for services in 2024. Exact Sciences Corporation reported $25.44 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1093973018 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 27, 2008 |
| Last updated in NPPES | Dec 12, 2024 |
| Certified by provider | Dec 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A103256 | CA |
| Family Medicine, Geriatric Medicine | 207QG0300X | A103256 | CA |
| Family Medicine, Adolescent Medicine | 207QA0000X | A103256 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 103 |
|---|---|
| Services billed | 1,715 across 21 procedure codes |
| Paid by Medicare | $27,906 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,907 · 10,662 30-day fills |
|---|---|
| Patients | 401 |
| Total drug cost | $455,136 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Graybill Medical Group IncOceanside, CA · 104 clinicians
Industry payments (Open Payments)
- 2025$25.44 · 1 payment from 1 company
- 2024$146.86 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $25.44 | 1 |
What the 2025 payments were for
- Food and Beverage$25.44 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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