Theresa Chu, MD
NPI 1700103371ActiveIndividual· Obstetrics & Gynecology· Gilbert, AZ
Obstetrics & Gynecology (MD) with Arizona OB GYN Affiliates PC, practicing in Gilbert, Arizona. Mostly services rather than prescriptions: Medicare paid $4,994 for 27 patients in 2024, with only 49 Part D claims. Sumitomo Pharma America, Inc. was the largest of 10 companies reporting payments in 2025, $321.43 in all, mostly food and beverage.
Overview
| NPI | 1700103371 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 22, 2010 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 48461 | 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 - Obstetrics/Gynecology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 27 |
|---|---|
| Services billed | 78 across 19 procedure codes |
| Paid by Medicare | $4,994 |
Part D prescriptions in 2024
| Prescriptions (claims) | 49 · 49 30-day fills |
|---|---|
| Patients | 22 |
| Total drug cost | $412.45 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Arizona OB GYN Affiliates PCChandler, AZ · 123 clinicians
Industry payments (Open Payments)
- 2025$321.43 · 13 payments from 10 companies
- 2024$332.57 · 16 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $73.80 | 3 |
| Medtronic, Inc. | $64.98 | 1 |
| Astellas Pharma US Inc | $39.54 | 2 |
| Teleflex LLC | $29.24 | 1 |
| Hologic Sales and Service, LLC | $24.86 | 1 |
What the 2025 payments were for
- Food and Beverage$321.43 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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