Nataly I. Vadasz-Chates, MD
NPI 1689084428ActiveIndividual· Hospitalist· Glendale, AZ
Hospitalist (MD) in Glendale, Arizona, trained at University of Arizona College of Medicine (class of 2014). Mostly services rather than prescriptions: Medicare paid $9,557 for 62 patients in 2024, with only 33 Part D claims. Jazz Pharmaceuticals Inc. was the largest of 5 companies reporting payments in 2025, $590.29 in all, mostly education.
Overview
| NPI | 1689084428 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 1, 2014 |
| Last updated in NPPES | Aug 11, 2025 |
| Certified by provider | Aug 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 53521 | AZ |
| Pediatrics | 208000000X | 53521 | AZ |
| Pediatrics, Sleep Medicine | 2080S0012X | 53521 | 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 - Pediatric Medicine (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 62 |
|---|---|
| Services billed | 153 across 6 procedure codes |
| Paid by Medicare | $9,557 |
Part D prescriptions in 2024
| Prescriptions (claims) | 33 · 36 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $3,090 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Arizona College of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Pediatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- Sarah Patel MD PCGlendale, AZ · 5 clinicians
Industry payments (Open Payments)
- 2025$590.29 · 13 payments from 5 companies
- 2024$662.93 · 14 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Jazz Pharmaceuticals Inc. | $367.22 | 5 |
| Harmony Biosciences LLC | $154.73 | 4 |
| Inspire Medical Systems, Inc. | $36.26 | 2 |
| Zoll Respicardia, Inc. | $18.27 | 1 |
| Avadel Cns Pharmaceuticals, LLC | $13.81 | 1 |
What the 2025 payments were for
- Education$250.97 · 3 payments
- Food and Beverage$189.32 · 9 payments
- Consulting Fee$150.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 60 hospitalists in Glendale · All hospitalists in Arizona