Manfred C. Chiang, MD
NPI 1770563868ActiveIndividual· Surgery· Brookfield, WI
Surgery (MD) in Brookfield, Wisconsin, trained at Medical College of Wisconsin (class of 1987). 133 Medicare patients in 2024, $55,962 paid; nearly all of their 115 Part D prescriptions were generic (96%). Intuitive Surgical, Inc. was the largest of 3 companies reporting payments in 2025, $1,510 in all, mostly travel and lodging.
Overview
| NPI | 1770563868 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 17, 2006 |
| Last updated in NPPES | Feb 16, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 29416 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 133 |
|---|---|
| Services billed | 282 across 83 procedure codes |
| Paid by Medicare | $55,962 |
Part D prescriptions in 2024
| Prescriptions (claims) | 115 · 200 30-day fills |
|---|---|
| Patients | 67 |
| Total drug cost | $7,175 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | General Surgery |
Medical group
- Ascension Medical Group-Southeast Wisconsin IncBrookfield, WI · 545 clinicians
Hospital affiliations
- Ascension Se Wisconsin HospitalMilwaukee, WI
- Midwest Orthopedic Specialty HospitalFranklin, WI
Industry payments (Open Payments)
- 2025$1,510 · 6 payments from 3 companies
- 2024$18,293 · 20 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $1,436 | 3 |
| Ethicon US, LLC | $54.35 | 2 |
| Teleflex LLC | $20.10 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,057 · 2 payments
- Food and Beverage$452.79 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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