Louis S. Liou, M.D., PH.D.
NPI 1346212404ActiveIndividual· Urology· Cambridge, MA
Urology (M.D., PH.D.) in Cambridge, Massachusetts, trained at Boston University School of Medicine (class of 1996). 274 Medicare patients in 2024, $97,504 paid; nearly all of their 197 Part D prescriptions were generic (99%). Angiodynamics, Inc. was the largest of 14 companies reporting payments in 2025, $122,447 in all, mostly device and supply loans.
Overview
| NPI | 1346212404 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Feb 3, 2006 |
| Last updated in NPPES | Sep 3, 2025 |
| Certified by provider | Sep 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 216911 | MA |
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 - Urology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 274 |
|---|---|
| Services billed | 1,174 across 43 procedure codes |
| Paid by Medicare | $97,504 |
Part D prescriptions in 2024
| Prescriptions (claims) | 197 · 316 30-day fills |
|---|---|
| Patients | 123 |
| Total drug cost | $2,613 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical groups
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
- Emerson Practice Associates, IncConcord, MA · 240 clinicians
Hospital affiliations
- Emerson Hospital -W Concord, MA
- Milford Regional Medical CenterMilford, MA
Industry payments (Open Payments)
- 2025$122,447 · 38 payments from 14 companies
- 2024$115,042 · 34 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Angiodynamics, Inc. | $117,353 | 14 |
| Urogen Pharma, Inc. | $2,562 | 6 |
| Gyrus Acmi, Inc. | $1,575 | 2 |
| Koelis Inc. | $197.10 | 2 |
| Agiliti Surgical, Inc. | $195.28 | 2 |
What the 2025 payments were for
- Long term medical supply or device loan$96,000 · 2 payments
- Consulting Fee$18,023 · 5 payments
- Travel and Lodging$3,318 · 3 payments
- Honoraria$2,275 · 1 payment
- Food and Beverage$1,834 · 26 payments
- Education$998.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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