Marie N. Tumusok, M.D.
NPI 1437340015ActiveIndividual· Internal Medicine· Davis, CA
Internal Medicine (M.D.) with Sutter Valley Medical Foundation, practicing in Davis, California. Their prescriptions cost Medicare Part D more than their services did: $1,004,198 for 9,120 claims, against $134,644 paid for services in 2024. Lists Sutter Davis Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1437340015 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 7, 2007 |
| Last updated in NPPES | Jul 7, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A98755 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 352 |
|---|---|
| Services billed | 1,522 across 37 procedure codes |
| Paid by Medicare | $134,644 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,120 · 19,838 30-day fills |
|---|---|
| Patients | 536 |
| Total drug cost | $1,004,198 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Sutter Valley Medical FoundationModesto, CA · 2,500 clinicians
Hospital affiliations
- Sutter Davis HospitalDavis, CA
- Sutter Medical Center, SacramentoSacramento, CA
- Sutter Roseville Medical CenterRoseville, CA
Other facilities
- Sutter Care at HomeHome health agency · Sacramento, CA
- Sutter Care at HomeHospice · Roseville, CA
- Yolo HospiceHospice · Davis, CA
- University Retirement Community at DavisNursing home · 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 34 internal medicine physicians in Davis · All internal medicine physicians in California