Jonnel Ramos Constantino, M.D.
NPI 1124246350ActiveIndividual· Hospitalist· Orange, CA
Hospitalist (M.D.) with Southern California Permanente Medical Group, practicing in Orange, California. Their prescriptions cost Medicare Part D more than their services did: $18,515 for 241 claims, against $2,209 paid for services in 2024. Lists Kaiser Foundation Hospital Fontana/Ontario as a hospital affiliation.
Overview
| NPI | 1124246350 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 23, 2007 |
| Last updated in NPPES | Dec 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A89569 | CA |
| General Practice | 208D00000X | A89569 | 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 - Hospitalist (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 18 |
|---|---|
| Services billed | 31 across 4 procedure codes |
| Paid by Medicare | $2,209 |
Part D prescriptions in 2024
| Prescriptions (claims) | 241 · 468 30-day fills |
|---|---|
| Patients | 103 |
| Total drug cost | $18,515 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital Fontana/OntarioFontana, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 82 hospitalists in Orange · All hospitalists in California