Diane Kwan, M.D.
NPI 1992913859ActiveIndividual· Surgery· Oakland, CA
Surgery (M.D.) in Oakland, California, trained at Chicago College of Medicine and Surgery (class of 2006). 194 Medicare patients in 2024, $90,798 paid; all of their 93 Part D prescriptions were generic. Intuitive Surgical, Inc. was the largest of 6 companies reporting payments in 2025, $34,699 in all, mostly education.
Overview
| NPI | 1992913859 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 21, 2007 |
| Last updated in NPPES | Feb 22, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A117525 | CA |
| Surgery | 208600000X | PGY1 | LA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 194 |
|---|---|
| Services billed | 473 across 45 procedure codes |
| Paid by Medicare | $90,798 |
Part D prescriptions in 2024
| Prescriptions (claims) | 93 · 156 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $1,115 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Chicago College of Medicine and Surgery |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical group
- Epic CareWalnut Creek, CA · 55 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$34,699 · 27 payments from 6 companies
- 2024$11,211 · 17 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $26,339 | 12 |
| Ethicon Inc. | $7,868 | 4 |
| Mimedx Group, Inc. | $294.73 | 4 |
| Davol Inc. | $91.96 | 3 |
| Avanos Medical | $55.68 | 2 |
What the 2025 payments were for
- Education$25,750 · 7 payments
- Consulting Fee$7,800 · 2 payments
- Food and Beverage$1,091 · 17 payments
- Travel and Lodging$57.40 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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