Katie Ann Marrero, MD
NPI 1114580321ActiveIndividual· Surgery· Las Vegas, NV
Surgery (MD) with Las Vegas Medical Group LLC, practicing in Las Vegas, Nevada. Mostly services rather than prescriptions: Medicare paid $2,635 for 25 patients in 2024, with only 47 Part D claims. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $26,311 in all, mostly grants. Lists Henderson Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1114580321 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 15, 2019 |
| Last updated in NPPES | Dec 4, 2025 |
| Certified by provider | Dec 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 28406 | NV |
| Surgery | 208600000X | MD484744 | PA |
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 (NV); Practitioner - General Surgery (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 37 across 19 procedure codes |
| Paid by Medicare | $2,635 |
Part D prescriptions in 2024
| Prescriptions (claims) | 47 · 47 30-day fills |
|---|---|
| Patients | 40 |
| Total drug cost | $533.39 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | General Surgery |
Medical group
- Las Vegas Medical Group LLCHenderson, NV · 51 clinicians
Hospital affiliations
- Henderson HospitalHenderson, NV
- Spring Valley Hospital Medical CenterLas Vegas, NV
- West Henderson HospitalHenderson, NV
Industry payments (Open Payments)
- 2025$26,311 · 5 payments from 2 companies
- 2024$341.79 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $25,147 | 2 |
| Intuitive Surgical, Inc. | $1,164 | 3 |
What the 2025 payments were for
- Grant$25,000 · 1 payment
- Education$1,000 · 1 payment
- Food and Beverage$310.89 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 174 general surgeons in Las Vegas · All general surgeons in Nevada