Rafael Felipe Diaz Flores, M.D.
NPI 1619056561ActiveIndividual· Surgery· Walnut Creek, CA
Surgery (M.D.) with Bass Medical Group and 1 other group, practicing in Walnut Creek, California. Medicare paid $69,050 for services to 242 patients in 2024. Intuitive Surgical, Inc. reported $14,662 in payments in 2025, mostly education. Lists John Muir Medical Center - Concord Campus and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1619056561 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 3, 2006 |
| Last updated in NPPES | Jan 3, 2025 |
| Certified by provider | Jan 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | C156787 | CA |
| Surgery | 208600000X | M2013-0263 | NM |
| Surgery | 208600000X | 229206 | MA |
| Surgery | 208600000X | P1065 | 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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 242 |
|---|---|
| Services billed | 453 across 55 procedure codes |
| Paid by Medicare | $69,050 |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | General Surgery |
Medical groups
- Bass Medical GroupChico, CA · 291 clinicians
- John Muir Trauma Physicians Billing ServiceWalnut Creek, CA · 113 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- San Ramon Regional Medical CenterSan Ramon, CA
- Sutter Delta Medical CenterAntioch, CA
Industry payments (Open Payments)
- 2025$14,662 · 19 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $14,662 | 19 |
What the 2025 payments were for
- Education$14,000 · 9 payments
- Travel and Lodging$338.47 · 3 payments
- Food and Beverage$323.11 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 general surgeons in Walnut Creek · All general surgeons in California