Michael Stephen Chisum, MD
NPI 1265963771ActiveIndividual· Surgery· Issaquah, WA
Surgery (MD) in Issaquah, Washington, trained at University of Florida College of Medicine (class of 2017). Mostly services rather than prescriptions: Medicare paid $43,922 for 83 patients in 2024, with only 24 Part D claims. Intuitive Surgical, Inc. reported $824.83 in payments in 2025, mostly travel and lodging.
Overview
| NPI | 1265963771 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 26, 2017 |
| Last updated in NPPES | Dec 1, 2022 |
| Certified by provider | Dec 1, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | MD61170311 | WA |
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 - General Surgery (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 83 |
|---|---|
| Services billed | 136 across 53 procedure codes |
| Paid by Medicare | $43,922 |
Part D prescriptions in 2024
| Prescriptions (claims) | 24 · 24 30-day fills |
|---|---|
| Total drug cost | $329.27 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Florida College of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | General Surgery |
Medical group
- Swedish Health ServicesSeattle, WA · 1,037 clinicians
Hospital affiliation
- Swedish IssaquahIssaquah, WA
Industry payments (Open Payments)
- 2025$824.83 · 6 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $824.83 | 6 |
What the 2025 payments were for
- Travel and Lodging$796.83 · 5 payments
- Food and Beverage$28.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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