Mary Elizabeth Dial, M.D.
NPI 1962468553ActiveIndividual· Family Medicine· Ojai, CA
Family Medicine (M.D.) in Ojai, California, trained at Washington University School of Medicine (class of 1981). 677 Medicare patients in 2024, $207,229 paid; nearly all of their 6,340 Part D prescriptions were generic (92%). Edwards Lifesciences Corporation was the largest of 2 companies reporting payments in 2025, $205.93 in all, mostly food and beverage.
Overview
| NPI | 1962468553 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 24, 2006 |
| Last updated in NPPES | Oct 18, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G48638 | 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 | 677 |
|---|---|
| Services billed | 6,082 across 74 procedure codes |
| Paid by Medicare | $207,229 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,340 · 12,628 30-day fills |
|---|---|
| Patients | 873 |
| Total drug cost | $303,051 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Family Practice |
Medical group
- Primary Medical Group of Ventura County IncVentura, CA · 41 clinicians
Hospital affiliations
- Community Memorial Hospital - OjaiOjai, CA
- Community Memorial Hospital - VenturaVentura, CA
Other facilities
- Assisted Home CareHome health agency · Ventura, CA
- Livingston Memorial Visiting Nurse AssociationHome health agency · Ventura, CA
Industry payments (Open Payments)
- 2025$205.93 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $108.21 | 1 |
| Astrazeneca Pharmaceuticals LP | $97.72 | 1 |
What the 2025 payments were for
- Food and Beverage$205.93 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 family medicine physicians in Ojai · All family medicine physicians in California