John Richard Dingilian, MD
NPI 1295828291ActiveIndividual· Family Medicine· Simi Valley, CA
Family Medicine (MD) in Simi Valley, California, trained at Loma Linda University School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $413,307 for 3,699 claims, against $70,661 paid for services in 2024. Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 2 companies reporting payments in 2025, $53.40 in all, mostly food and beverage.
Overview
| NPI | 1295828291 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 2, 2006 |
| Last updated in NPPES | Oct 5, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G75774 | 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 | 253 |
|---|---|
| Services billed | 1,040 across 30 procedure codes |
| Paid by Medicare | $70,661 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,699 · 6,845 30-day fills |
|---|---|
| Patients | 321 |
| Total drug cost | $413,307 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Adventist Health Physicians NetworkSaint Helena, CA · 628 clinicians
Hospital affiliation
- Adventist Health Simi ValleySimi Valley, CA
Other facilities
- Access Tlc Home Health CareHome health agency · San Fernando, CA
- Adventist Health Home Care ServicesHome health agency · Simi Valley, CA
- Assisted Home CareHome health agency · Mission Hills, CA
- We Care Home Health, IncHome health agency · Van Nuys, CA
- Adventist Health Home Care ServicesHospice · Simi Valley, CA
Industry payments (Open Payments)
- 2025$53.40 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $28.77 | 1 |
| W. L. Gore & Associates, Inc. | $24.63 | 1 |
What the 2025 payments were for
- Food and Beverage$53.40 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 83 family medicine physicians in Simi Valley · All family medicine physicians in California