Rui-Min Diana Mao, MD
NPI 1235796673ActiveIndividual· Surgery· Portland, OR
Surgery (MD) in Portland, Oregon, trained at University of Texas Southwestern Medical School at Dallas (class of 2019). Part D covered 88 prescriptions written in 2024, 89% of them generic. Intuitive Surgical, Inc. reported $1,000 in payments in 2025, mostly education.
Overview
| NPI | 1235796673 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 21, 2019 |
| Last updated in NPPES | Jun 13, 2026 |
| Certified by provider | Jun 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | BP10066743 | OR |
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 (OR) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 88 · 98 30-day fills |
|---|---|
| Patients | 54 |
| Total drug cost | $2,381 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | General Surgery |
Industry payments (Open Payments)
- 2025$1,000 · 1 payment from 1 company
- 2024$305.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $1,000 | 1 |
What the 2025 payments were for
- Education$1,000 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 188 general surgeons in Portland · All general surgeons in Oregon