Dawn Hnat, M.D.
NPI 1861571812ActiveIndividual· Internal Medicine, Rheumatology· Newport Beach, CA
Internal Medicine, Rheumatology (M.D.) in Newport Beach, California, trained at Icahn School of Medicine at Mount Sinai (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $1,425,688 for 2,213 claims, against $39,888 paid for services in 2024. Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $144.09 in all, mostly food and beverage.
Overview
| NPI | 1861571812 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 2, 2006 |
| Last updated in NPPES | Nov 18, 2021 |
| Certified by provider | Nov 18, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | G49658 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 124 |
|---|---|
| Services billed | 499 across 14 procedure codes |
| Paid by Medicare | $39,888 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,213 · 3,848 30-day fills |
|---|---|
| Patients | 233 |
| Total drug cost | $1,425,688 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Rheumatology |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Industry payments (Open Payments)
- 2025$144.09 · 6 payments from 2 companies
- 2024$111.72 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $81.80 | 3 |
| Amgen Inc. | $62.29 | 3 |
What the 2025 payments were for
- Food and Beverage$144.09 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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