Mark P. Ewens, M.D.
NPI 1689602773ActiveIndividual· Family Medicine· Davis, CA
Family Medicine (M.D.) in Davis, California, trained at University of California, Davis School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $435,697 for 7,785 claims, against $83,578 paid for services in 2024.
Overview
| NPI | 1689602773 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 29, 2006 |
| Last updated in NPPES | Oct 30, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A71440 | 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 | 321 |
|---|---|
| Services billed | 1,742 across 45 procedure codes |
| Paid by Medicare | $83,578 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,785 · 17,628 30-day fills |
|---|---|
| Patients | 635 |
| Total drug cost | $435,697 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Dignity Health Medical FoundationFolsom, CA · 1,184 clinicians
Hospital affiliation
- Woodland Memorial HospitalWoodland, CA
Other facilities
- Woodland Healthcare Home HealthHome health agency · Woodland, CA
- Yolo HospiceHospice · Davis, 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 102 family medicine physicians in Davis · All family medicine physicians in California