Valeria Leon-Risemberg, MD
NPI 1841858131ActiveIndividual· Surgery· Phoenix, AZ
Surgery (MD) in Phoenix, Arizona, trained at University of Arizona College of Medicine - Phoenix (class of 2019). 18 Medicare patients in 2024, $7,510 paid; nearly all of their 59 Part D prescriptions were generic (90%). Intuitive Surgical, Inc. was the largest of 3 companies reporting payments in 2025, $1,968 in all, mostly education.
Overview
| NPI | 1841858131 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 31, 2019 |
| Last updated in NPPES | Aug 15, 2024 |
| Certified by provider | Aug 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 74025 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 18 |
|---|---|
| Services billed | 41 across 14 procedure codes |
| Paid by Medicare | $7,510 |
Part D prescriptions in 2024
| Prescriptions (claims) | 59 · 63 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $229.90 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Arizona College of Medicine - Phoenix |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | General Surgery |
Medical group
- Arizona Advanced Surgery LLCPhoenix, AZ · 95 clinicians
Hospital affiliation
- Banner Estrella Medical CenterPhoenix, AZ
Industry payments (Open Payments)
- 2025$1,968 · 7 payments from 3 companies
- 2024$4,993 · 17 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $1,817 | 5 |
| Medtronic, Inc. | $135.42 | 1 |
| Advanced Oxygen Therapy Inc. | $15.31 | 1 |
What the 2025 payments were for
- Education$1,000 · 1 payment
- Travel and Lodging$811.40 · 3 payments
- Food and Beverage$156.73 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other general surgeons in Phoenix
- 1003015918
- 1003836644
- 1033170634
- 1043574130
- 1104826114
- 1114218963
- 1124009352
- 1124220397
- 1144309261
- 1154760742
- 1164450367
- 1174745095
All 237 general surgeons in Phoenix · All general surgeons in Arizona