Megan Nakashima, MD
NPI 1790983393ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Cleveland, OH
Pathology, Anatomic Pathology & Clinical Pathology (MD) in Cleveland, Ohio, trained at Washington University School of Medicine (class of 2007). Medicare paid $148,841 for services to 4,317 patients in 2024. Sysmex America, Inc. was the largest of 2 companies reporting payments in 2025, $1,643 in all, mostly honoraria.
Overview
| NPI | 1790983393 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 5, 2007 |
| Last updated in NPPES | May 1, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | MD441669 | PA |
| Pathology, Clinical Pathology/Laboratory Medicine | 207ZP0105X | MT190378 | PA |
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 - Pathology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 4,317 |
|---|---|
| Services billed | 11,278 across 70 procedure codes |
| Paid by Medicare | $148,841 |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Pathology |
Medical group
- Cleveland ClinicCleveland, OH · 7,090 clinicians
Hospital affiliations
- Akron General Medical CenterAkron, OH
- Cleveland ClinicCleveland, OH
- Cleveland Clinic Avon HospitalAvon, OH
- Fairview HospitalCleveland, OH
- Hillcrest HospitalMayfield Heights, OH
Industry payments (Open Payments)
- 2025$1,643 · 4 payments from 2 companies
- 2024$728.20 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sysmex America, Inc. | $1,629 | 3 |
| Siemens Medical Solutions USA, Inc. | $13.53 | 1 |
What the 2025 payments were for
- Honoraria$1,500 · 1 payment
- Food and Beverage$142.52 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 139 pathologists in Cleveland · All pathologists in Ohio