Ann Lee-Gin Chuang, MD, MPH
NPI 1134564750ActiveIndividual· Surgery, Surgical Oncology· Florham Park, NJ
Surgery, Surgical Oncology (MD, MPH) in Florham Park, New Jersey, trained at Rutgers New Jersey Medical School (class of 2013). Mostly services rather than prescriptions: Medicare paid $38,324 for 92 patients in 2024, with only 17 Part D claims. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $66.96 in all, mostly food and beverage.
Overview
| NPI | 1134564750 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, MPH |
| Sole proprietor | Yes |
| NPI issued | May 9, 2013 |
| Last updated in NPPES | Apr 18, 2024 |
| Certified by provider | Apr 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Oncology Primary | 2086X0206X | 25MA10601100 | 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 - General Surgery (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 246 across 25 procedure codes |
| Paid by Medicare | $38,324 |
Part D prescriptions in 2024
| Prescriptions (claims) | 17 · 17 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $1,583 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Rutgers New Jersey Medical School |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | General Surgery |
Medical group
- The Plastic Surgery CenterJersey City, NJ · 90 clinicians
Hospital affiliation
- Hackensack Meridian Mountainside MedicalMontclair, NJ
Industry payments (Open Payments)
- 2025$66.96 · 3 payments from 2 companies
- 2024$155.93 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $46.15 | 2 |
| Abbvie Inc. | $20.81 | 1 |
What the 2025 payments were for
- Food and Beverage$66.96 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery, Surgical Oncology providers in Florham Park
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