Kelly Kazuaki Nagasawa, M.D.
NPI 1659576700ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Tulsa, OK
Thoracic Surgery (Cardiothoracic Vascular Surgery) (M.D.) with Ahs Oklahoma Heart LLC, practicing in Tulsa, Oklahoma. 182 Medicare patients in 2024, $106,187 paid; nearly all of their 155 Part D prescriptions were generic (99%). Intuitive Surgical, Inc. was the largest of 6 companies reporting payments in 2025, $2,360 in all, mostly speaking and faculty fees. Lists Ascension St John Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1659576700 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 19, 2007 |
| Last updated in NPPES | Aug 2, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 34715 | OK |
| Surgery | 208600000X | 2013-02425 | NC |
| Surgery | 208600000X | 34715 | OK |
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 - Cardiac Surgery (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 182 |
|---|---|
| Services billed | 487 across 59 procedure codes |
| Paid by Medicare | $106,187 |
Part D prescriptions in 2024
| Prescriptions (claims) | 155 · 173 30-day fills |
|---|---|
| Patients | 96 |
| Total drug cost | $2,335 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Cardiac Surgery |
Medical group
- Ahs Oklahoma Heart LLCTulsa, OK · 132 clinicians
Hospital affiliations
- Ascension St John Medical CenterTulsa, OK
- Hillcrest Hospital SouthTulsa, OK
- Hillcrest Medical CenterTulsa, OK
Other facilities
- Amedisys Home HealthHome health agency · Bartlesville, OK
- Elara Caring XxvHome health agency · Tulsa, OK
- Shanadoa Home Health, Inc.Home health agency · Tulsa, OK
- Vitalcaring GroupHome health agency · Tulsa, OK
Industry payments (Open Payments)
- 2025$2,360 · 23 payments from 6 companies
- 2024$6,881 · 54 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $1,777 | 6 |
| Abiomed | $415.99 | 11 |
| Baxter Healthcare | $94.12 | 3 |
| Medtronic, Inc. | $32.03 | 1 |
| Depuy Synthes Sales Inc. | $24.57 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,500 · 3 payments
- Food and Beverage$823.27 · 19 payments
- Travel and Lodging$37.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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