Mara Kelly Costa, APRN-BC
NPI 1689227100ActiveIndividual· Nurse Practitioner· Henderson, NV
Nurse Practitioner (APRN-BC) with Ammar PLLC, practicing in Henderson, Nevada. Medicare paid $48,279 for services to 225 patients in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $341.02 in all, mostly food and beverage. Lists University Medical Center as a hospital affiliation.
Overview
| NPI | 1689227100 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN-BC |
| Sole proprietor | No |
| NPI issued | Jul 23, 2019 |
| Last updated in NPPES | Aug 23, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 822306 | NV |
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 - Nurse Practitioner (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 225 |
|---|---|
| Services billed | 934 across 3 procedure codes |
| Paid by Medicare | $48,279 |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Ammar PLLCLas Vegas, NV · 4 clinicians
Hospital affiliation
- University Medical CenterLas Vegas, NV
Industry payments (Open Payments)
- 2025$341.02 · 20 payments from 2 companies
- 2024$21.07 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $319.94 | 19 |
| Merz North America, Inc. | $21.08 | 1 |
What the 2025 payments were for
- Food and Beverage$341.02 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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