Usama Ahmed Ali, MD, PHD
NPI 1700509452ActiveIndividual· Colon & Rectal Surgery· New York, NY
Colon & Rectal Surgery (MD, PHD) with Trustees of Columbia University in the City of New York and 1 other group, practicing in New York, New York. 93 Medicare patients in 2024, $41,091 paid; nearly all of their 67 Part D prescriptions were generic (93%). Intuitive Surgical, Inc. was the largest of 4 companies reporting payments in 2025, $3,833 in all, mostly travel and lodging. Lists Hudson Valley Hospital Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1700509452 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Sep 19, 2022 |
| Last updated in NPPES | Feb 17, 2026 |
| Certified by provider | Feb 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 318235 | NY |
| Surgery | 208600000X | 318235-01 | NY |
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 - Colorectal Surgery (Proctology) (NJ); Practitioner - Colorectal Surgery (Proctology) (NY); Practitioner - General Surgery (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 93 |
|---|---|
| Services billed | 366 across 52 procedure codes |
| Paid by Medicare | $41,091 |
Part D prescriptions in 2024
| Prescriptions (claims) | 67 · 69 30-day fills |
|---|---|
| Patients | 31 |
| Total drug cost | $564.87 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Trustees of Columbia University in the City of New YorkNew York, NY · 2,296 clinicians
- The Westchester Medical Practice PCCroton On Hudson, NY · 196 clinicians
Hospital affiliations
- Hudson Valley Hospital CenterCortlandt Manor, NY
- New York-Presbyterian HospitalNew York, NY
Industry payments (Open Payments)
- 2025$3,833 · 28 payments from 4 companies
- 2024$1,097 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $3,711 | 25 |
| Vertex Pharmaceuticals Incorporated | $60.00 | 1 |
| Csl Behring | $34.90 | 1 |
| Ceribell, Inc. | $27.75 | 1 |
What the 2025 payments were for
- Travel and Lodging$2,428 · 11 payments
- Education$1,136 · 2 payments
- Food and Beverage$269.84 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 75 colorectal surgeons in New York · All colorectal surgeons in New York