Ana Diaz, MD
NPI 1093344939ActiveIndividual· Internal Medicine· Newark, NJ
Internal Medicine (MD) with University Physician Associates of New Jersey Inc and 1 other group, practicing in Newark, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $69,188 for 615 claims, against $3,105 paid for services in 2024. Acadia Pharmaceuticals Inc reported $18.75 in payments in 2025, mostly food and beverage. Lists The University Hospital as a hospital affiliation.
Overview
| NPI | 1093344939 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 3, 2020 |
| Last updated in NPPES | Jan 25, 2024 |
| Certified by provider | Jan 25, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25MA11897600 | NJ |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 20 |
|---|---|
| Services billed | 38 across 9 procedure codes |
| Paid by Medicare | $3,105 |
Part D prescriptions in 2024
| Prescriptions (claims) | 615 · 1,251 30-day fills |
|---|---|
| Patients | 102 |
| Total drug cost | $69,188 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- University Physician Associates of New Jersey IncNewark, NJ · 378 clinicians
- Newark Community Health Centers IncNewark, NJ · 39 clinicians
Hospital affiliation
- The University HospitalNewark, NJ
Industry payments (Open Payments)
- 2025$18.75 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acadia Pharmaceuticals Inc | $18.75 | 1 |
What the 2025 payments were for
- Food and Beverage$18.75 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 250 internal medicine physicians in Newark · All internal medicine physicians in New Jersey