Kiarash Casey Mashayek, M.D,M.S
NPI 1437513512ActiveIndividual· Surgery, Surgical Oncology· Fargo, ND
Surgery, Surgical Oncology (M.D,M.S) with Sanford Medical Center Fargo, practicing in Fargo, North Dakota. Mostly services rather than prescriptions: Medicare paid $16,554 for 26 patients in 2024, with only 49 Part D claims. Intuitive Surgical, Inc. reported $6,000 in payments in 2025, mostly education. Lists Alomere Health and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1437513512 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D,M.S |
| Sole proprietor | No |
| NPI issued | Apr 5, 2016 |
| Last updated in NPPES | May 22, 2026 |
| Certified by provider | May 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Oncology Primary | 2086X0206X | 21603 | ND |
| Surgery, Surgical Oncology | 2086X0206X | T1770 | TX |
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 - Surgical Oncology (CA); Practitioner - Surgical Oncology (ND); Practitioner - Surgical Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 26 |
|---|---|
| Services billed | 69 across 31 procedure codes |
| Paid by Medicare | $16,554 |
Part D prescriptions in 2024
| Prescriptions (claims) | 49 · 49 30-day fills |
|---|---|
| Patients | 29 |
| Total drug cost | $474.47 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Surgical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Sanford Medical Center FargoWest Fargo, ND · 1,225 clinicians
Hospital affiliations
- Alomere HealthAlexandria, MN
- Sanford Bemidji Medical CenterBemidji, MN
- Sanford Medical Center BismarckBismarck, ND
- Sanford Medical Center FargoFargo, ND
- Trinity HospitalsMinot, ND
Industry payments (Open Payments)
- 2025$6,000 · 4 payments from 1 company
- 2024$134.16 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $6,000 | 4 |
What the 2025 payments were for
- Education$6,000 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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