John Alexander Grimaldi, D.O.
NPI 1821157033ActiveIndividual· Urology· Chula Vista, CA
Urology (D.O.) in Chula Vista, California, trained at Midwestern University, Chicago College of Osteopathic Med (class of 2002). 597 Medicare patients in 2024, $460,349 paid; nearly all of their 5,752 Part D prescriptions were generic (99%). Medtronic, Inc. was the largest of 5 companies reporting payments in 2025, $200.16 in all, mostly food and beverage.
Overview
| NPI | 1821157033 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Dec 6, 2006 |
| Last updated in NPPES | Jan 12, 2023 |
| Certified by provider | Jan 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 20A11355 | 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 - Urology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 597 |
|---|---|
| Services billed | 6,638 across 45 procedure codes |
| Paid by Medicare | $460,349 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,752 · 9,838 30-day fills |
|---|---|
| Patients | 1,369 |
| Total drug cost | $275,491 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Urology |
Hospital affiliations
- Scripps Mercy HospitalSan Diego, CA
- Sharp Chula Vista Medical CenterChula Vista, CA
Industry payments (Open Payments)
- 2025$200.16 · 8 payments from 5 companies
- 2024$229.49 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $72.55 | 2 |
| Abbvie Inc. | $45.64 | 2 |
| Coloplast Corp | $28.65 | 2 |
| Laborie Medical Technologies Corp. | $28.05 | 1 |
| Urogen Pharma, Inc. | $25.27 | 1 |
What the 2025 payments were for
- Food and Beverage$200.16 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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