Calvin John Ruiz, MD
NPI 1780188755ActiveIndividual· Family Medicine· Redding, CA
Family Medicine (MD) with Dignity Health and 1 other group, practicing in Redding, California. Their prescriptions cost Medicare Part D more than their services did: $595,363 for 4,736 claims, against $2,767 paid for services in 2024. Lists Mercy Medical Center Redding and 1 other hospital as hospital affiliations.
Overview
| NPI | 1780188755 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 22, 2018 |
| Last updated in NPPES | Aug 4, 2021 |
| Certified by provider | Aug 4, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 174162 | CA |
| Family Medicine | 207Q00000X | E-12957 | AR |
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 | 20 |
|---|---|
| Services billed | 50 across 4 procedure codes |
| Paid by Medicare | $2,767 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,736 · 8,523 30-day fills |
|---|---|
| Patients | 411 |
| Total drug cost | $595,363 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- Dignity HealthRedding, CA · 86 clinicians
- Shasta Community Health CenterRedding, CA · 62 clinicians
Hospital affiliations
- Mercy Medical Center ReddingRedding, CA
- Shasta Regional Medical CenterRedding, CA
Other facilities
- Accentcare Home Health of California, IncHome health agency · Redding, CA
- Medical Home Care ProfessionalsHome health agency · Redding, CA
- Mercy Home CareHome health agency · Redding, CA
- Valley View Healthcare Services LLCHome health agency · Chico, 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 148 family medicine physicians in Redding · All family medicine physicians in California