Anita D. Dai, MD
NPI 1255539946ActiveIndividual· Internal Medicine· Sun City, AZ
Internal Medicine (MD) in Sun City, Arizona, licensed in AZ, with an NPI issued in July 2007. Their prescriptions cost Medicare Part D more than their services did: $771,380 for 8,750 claims, against $186,682 paid for services in 2024. Heartflow, Inc. was the largest of 6 companies reporting payments in 2025, $293.84 in all, mostly food and beverage. Lists Banner Boswell Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1255539946 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 5, 2007 |
| Last updated in NPPES | Jul 1, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 37198 | 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 - Internal Medicine (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 268 |
|---|---|
| Services billed | 5,696 across 39 procedure codes |
| Paid by Medicare | $186,682 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,750 · 20,917 30-day fills |
|---|---|
| Patients | 662 |
| Total drug cost | $771,380 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Banner Boswell Medical CenterSun City, AZ
- Banner del E. Webb Medical CenterSun City West, AZ
- Banner Thunderbird Medical CenterGlendale, AZ
Industry payments (Open Payments)
- 2025$293.84 · 8 payments from 6 companies
- 2024$614.93 · 15 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heartflow, Inc. | $155.70 | 2 |
| Pfizer Inc. | $47.49 | 2 |
| Sumitomo Pharma America, Inc. | $28.61 | 1 |
| Edwards Lifesciences Corporation | $25.50 | 1 |
| Exact Sciences Corporation | $19.15 | 1 |
What the 2025 payments were for
- Food and Beverage$293.84 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 77 internal medicine physicians in Sun City · All internal medicine physicians in Arizona