Mark Morishige, MD
NPI 1619197639ActiveIndividual· Orthopaedic Surgery· Los Altos, CA
Orthopaedic Surgery (MD) in Los Altos, California, trained at University of Chicago, Pritzker School of Medicine (class of 2003). 168 Medicare patients in 2024, $84,561 paid; all of their 139 Part D prescriptions were generic. Orthofix Medical, Inc. reported $14.59 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1619197639 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 1, 2007 |
| Last updated in NPPES | Mar 29, 2023 |
| Certified by provider | Mar 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | C171216 | CA |
| Orthopaedic Surgery | 207X00000X | 64840 | MN |
| Orthopaedic Surgery | 207X00000X | 38793 | IA |
| Orthopaedic Surgery, Sports Medicine | 207XX0005X | 38793 | IA |
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 - Orthopedic Surgery (CA); Practitioner - Orthopedic Surgery (FL); Practitioner - Orthopedic Surgery (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 168 |
|---|---|
| Services billed | 1,025 across 63 procedure codes |
| Paid by Medicare | $84,561 |
Part D prescriptions in 2024
| Prescriptions (claims) | 139 · 153 30-day fills |
|---|---|
| Patients | 83 |
| Total drug cost | $723.05 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Advanced Surgical AssociatesSan Jose, CA · 6 clinicians
Hospital affiliation
- El Camino HealthMountain View, CA
Industry payments (Open Payments)
- 2025$14.59 · 1 payment from 1 company
- 2024$55.21 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Orthofix Medical, Inc. | $14.59 | 1 |
What the 2025 payments were for
- Food and Beverage$14.59 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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