Theresa Wai Ling Chan, M.D.
NPI 1669810156ActiveIndividual· Surgery· Scottsdale, AZ
Surgery (M.D.) in Scottsdale, Arizona, trained at University of Cincinnati College of Medicine (class of 2013). Mostly services rather than prescriptions: Medicare paid $74,215 for 247 patients in 2024, with only 40 Part D claims. Stryker Corporation was the largest of 14 companies reporting payments in 2025, $929.56 in all, mostly food and beverage.
Overview
| NPI | 1669810156 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 6, 2013 |
| Last updated in NPPES | Nov 16, 2022 |
| Certified by provider | Nov 16, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 63677 | 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 - General Surgery (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 247 |
|---|---|
| Services billed | 852 across 31 procedure codes |
| Paid by Medicare | $74,215 |
Part D prescriptions in 2024
| Prescriptions (claims) | 40 · 44 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $385.56 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical group
- Ironwood Physicians PCChandler, AZ · 116 clinicians
Hospital affiliations
- Banner - University Medical Center PhoenixPhoenix, AZ
- Honorhealth Scottsdale Osborn Medical CenterScottsdale, AZ
- Honorhealth Scottsdale Shea Medical CenterScottsdale, AZ
- Yavapai Regional Medical CenterPrescott, AZ
Industry payments (Open Payments)
- 2025$929.56 · 24 payments from 14 companies
- 2024$1,277 · 25 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $288.85 | 4 |
| Stemline Therapeutics Inc. | $169.21 | 2 |
| Merck Sharp & Dohme LLC | $86.56 | 3 |
| Exelixis Inc. | $79.82 | 3 |
| Aveo Pharmaceuticals, Inc. | $56.43 | 3 |
What the 2025 payments were for
- Food and Beverage$929.56 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other general surgeons in Scottsdale
- 1013174762
- 1013182120
- 1215317037
- 1255640124
- 1306810650
- 1336124817
- 1447463344
- 1487008439
- 1538572599
- 1568439966
- 1639313315
- 1639505464
All 133 general surgeons in Scottsdale · All general surgeons in Arizona