Marcus H. Loo, M.D.
NPI 1053315614ActiveIndividual· Urology· New York, NY
Urology (M.D.) in New York, New York, trained at Js Weill Medical College, Cornell University (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $493,740 for 8,115 claims, against $90,806 paid for services in 2024. Janssen Biotech, Inc. was the largest of 6 companies reporting payments in 2025, $234.62 in all, mostly food and beverage.
Overview
| NPI | 1053315614 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 10, 2005 |
| Last updated in NPPES | Dec 7, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 159685 | NY |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 284 |
|---|---|
| Services billed | 1,329 across 25 procedure codes |
| Paid by Medicare | $90,806 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,115 · 18,452 30-day fills |
|---|---|
| Patients | 1,714 |
| Total drug cost | $493,740 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Js Weill Medical College, Cornell University |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
- 2025$234.62 · 9 payments from 6 companies
- 2024$176.27 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $79.80 | 3 |
| Pfizer Inc. | $45.70 | 2 |
| Astrazeneca Pharmaceuticals LP | $35.06 | 1 |
| Progenics Pharmaceuticals, Inc. | $26.67 | 1 |
| Sumitomo Pharma America, Inc. | $24.98 | 1 |
What the 2025 payments were for
- Food and Beverage$199.56 · 8 payments
- Education$35.06 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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