Carlos Amir Esparza Monzavi
NPI 1750762001ActiveIndividual· Colon & Rectal Surgery· Irvine, CA
Colon & Rectal Surgery with City of Hope Medical Foundation and 1 other group, practicing in Irvine, California. 142 Medicare patients in 2024, $61,197 paid; nearly all of their 89 Part D prescriptions were generic (99%). Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $583.71 in all, mostly food and beverage. Lists Abrazo West Campus as a hospital affiliation.
Overview
| NPI | 1750762001 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Jun 12, 2015 |
| Last updated in NPPES | Nov 18, 2025 |
| Certified by provider | Nov 18, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | A202668 | CA |
| Colon & Rectal Surgery | 208C00000X | 65328 | AZ |
| Surgery, Surgery of the Hand | 2086S0105X | A202668 | CA |
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 - Colorectal Surgery (Proctology) (AZ); Practitioner - Colorectal Surgery (Proctology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 142 |
|---|---|
| Services billed | 418 across 43 procedure codes |
| Paid by Medicare | $61,197 |
Part D prescriptions in 2024
| Prescriptions (claims) | 89 · 95 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $881.10 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Colorectal Surgery (Proctology) |
| Secondary specialties | Hand Surgery |
| Telehealth | Offers telehealth |
Medical groups
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
- Arizona Advanced Surgery LLCPhoenix, AZ · 95 clinicians
Hospital affiliation
- Abrazo West CampusGoodyear, AZ
Industry payments (Open Payments)
- 2025$583.71 · 9 payments from 3 companies
- 2024$7,370 · 31 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $279.57 | 4 |
| Intuitive Surgical, Inc. | $258.68 | 4 |
| Baxter Healthcare | $45.46 | 1 |
What the 2025 payments were for
- Food and Beverage$583.71 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other colorectal surgeons in Irvine
- 1083829956
- 1366760514
- 1598100323
- 1942216940
- 1093006223
- 1124322052
- 1811187560
- 1093056780