Richard Thang Do Nguyen, DO
NPI 1164496204ActiveIndividual· Family Medicine· Chandler, AZ
Family Medicine (DO) with Phoenician Medical Center Inc, practicing in Chandler, Arizona. Their prescriptions cost Medicare Part D more than their services did: $645,623 for 8,101 claims, against $47,765 paid for services in 2024. Amgen Inc. was the largest of 19 companies reporting payments in 2025, $803.42 in all, mostly food and beverage. Lists Chandler Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1164496204 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Feb 15, 2006 |
| Last updated in NPPES | Sep 21, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 4056 | 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 - Family Practice (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 169 |
|---|---|
| Services billed | 1,021 across 28 procedure codes |
| Paid by Medicare | $47,765 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,101 · 19,604 30-day fills |
|---|---|
| Patients | 574 |
| Total drug cost | $645,623 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Phoenician Medical Center IncPeoria, AZ · 38 clinicians
Hospital affiliation
- Chandler Regional Medical CenterChandler, AZ
Other facilities
- Dignity Health at HomeHome health agency · Chandler, AZ
Industry payments (Open Payments)
- 2025$803.42 · 48 payments from 19 companies
- 2024$884.68 · 46 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $149.16 | 14 |
| Pfizer Inc. | $69.72 | 4 |
| Lilly USA, LLC | $67.73 | 4 |
| Sanofi-Aventis U.S. LLC | $65.33 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $54.22 | 3 |
What the 2025 payments were for
- Food and Beverage$803.42 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 167 family medicine physicians in Chandler · All family medicine physicians in Arizona