Jennifer S. Kumasaki, MD
NPI 1407114390ActiveIndividual· Internal Medicine· Chanhassen, MN
Internal Medicine (MD) in Chanhassen, Minnesota, licensed in MN and NH, with an NPI issued in April 2012. Their prescriptions cost Medicare Part D more than their services did: $293,135 for 3,447 claims, against $27,726 paid for services in 2024.
Overview
| NPI | 1407114390 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 27, 2012 |
| Last updated in NPPES | Mar 9, 2020 |
| Certified by provider | Mar 9, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 62052 | MN |
| Internal Medicine | 207R00000X | 17112 | NH |
| Hospitalist | 208M00000X | 62052 | MN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 707 across 41 procedure codes |
| Paid by Medicare | $27,726 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,447 · 8,837 30-day fills |
|---|---|
| Patients | 262 |
| Total drug cost | $293,135 |
| Generic share | 88% of claims |
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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