Tomonori Alan Oyadomari, M.D.
NPI 1225441538ActiveIndividual· Internal Medicine, Nephrology· Saint Joseph, MO
Internal Medicine, Nephrology (M.D.) with Heartland Regional Medical Center and 1 other group, practicing in Saint Joseph, Missouri. 394 Medicare patients in 2024, $67,308 paid; nearly all of their 971 Part D prescriptions were generic (95%). Vantive US Healthcare LLC reported $24.86 in payments in 2025, mostly food and beverage. Lists Hedrick Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1225441538 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 4, 2014 |
| Last updated in NPPES | Aug 28, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 2019030077 | MO |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Nephrology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 394 |
|---|---|
| Services billed | 1,010 across 12 procedure codes |
| Paid by Medicare | $67,308 |
Part D prescriptions in 2024
| Prescriptions (claims) | 971 · 2,049 30-day fills |
|---|---|
| Patients | 247 |
| Total drug cost | $41,906 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical groups
- Heartland Regional Medical CenterSt Joseph, MO · 394 clinicians
- Ssm Regional Health ServicesJefferson City, MO · 166 clinicians
Hospital affiliations
- Hedrick Medical CenterChillicothe, MO
- Mosaic Life Care at St JosephSaint Joseph, MO
- Mosaic Medical Center - MaryvilleMaryville, MO
- Mosaic Medical Center AlbanyAlbany, MO
- Wright Memorial HospitalTrenton, MO
Other facilities
- Davita Chillicothe DialysisDialysis facility · Chillicothe, MO
- Davita Robidoux DialysisDialysis facility · Saint Joseph, MO
- Davita St. Joseph DialysisDialysis facility · Saint Joseph, MO
- Mosiac Life Care at St JosephLong-term care hospital · Saint Joseph, MO
Industry payments (Open Payments)
- 2025$24.86 · 1 payment from 1 company
- 2024$79.15 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vantive US Healthcare LLC | $24.86 | 1 |
What the 2025 payments were for
- Food and Beverage$24.86 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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