Mary Katherine Holstein, MSN-AGACNP
NPI 1164196986ActiveIndividual· Nurse Practitioner, Acute Care· Las Vegas, NV
Nurse Practitioner, Acute Care (MSN-AGACNP) with Babak Hooshmand MD PLLC, practicing in Las Vegas, Nevada. In 2024 Medicare paid $81,778 for 337 patients, and Part D covered 57 of their prescriptions, 86% of them generic. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $236.68 in all, mostly food and beverage. Lists Mountainview Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1164196986 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN-AGACNP |
| Sole proprietor | No |
| NPI issued | Aug 4, 2021 |
| Last updated in NPPES | Jan 19, 2023 |
| Certified by provider | Jan 19, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 839696 | NV |
| Nurse Practitioner, Acute Care | 363LA2100X | 1048013 | 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 - Nurse Practitioner (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 337 |
|---|---|
| Services billed | 1,317 across 7 procedure codes |
| Paid by Medicare | $81,778 |
Part D prescriptions in 2024
| Prescriptions (claims) | 57 · 57 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $31,182 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Babak Hooshmand MD PLLCLas Vegas, NV · 16 clinicians
Hospital affiliations
- Mountainview HospitalLas Vegas, NV
- North Vista HospitalNorth Las Vegas, NV
- Southern Hills Hospital and Medical CenterLas Vegas, NV
- Sunrise Hospital and Medical CenterLas Vegas, NV
- Valley Hospital Medical CenterLas Vegas, NV
Industry payments (Open Payments)
- 2025$236.68 · 7 payments from 3 companies
- 2024$119.60 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $103.14 | 4 |
| Astellas Pharma US Inc | $99.84 | 2 |
| Merck Sharp & Dohme LLC | $33.70 | 1 |
What the 2025 payments were for
- Food and Beverage$156.69 · 6 payments
- Education$79.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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