Kohtaro Ooka
NPI 1003233966ActiveIndividual· Internal Medicine, Gastroenterology· Bronx, NY
Internal Medicine, Gastroenterology with Montefiore Medical Center, practicing in Bronx, New York. 142 Medicare patients in 2024, $43,117 paid; nearly all of their 348 Part D prescriptions were generic (91%). Boston Scientific Corporation was the largest of 6 companies reporting payments in 2025, $1,121 in all, mostly food and beverage. Lists Montefiore Medical Center as a hospital affiliation.
Overview
| NPI | 1003233966 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 27, 2014 |
| Last updated in NPPES | Oct 2, 2024 |
| Certified by provider | Oct 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 302700 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 142 |
|---|---|
| Services billed | 365 across 59 procedure codes |
| Paid by Medicare | $43,117 |
Part D prescriptions in 2024
| Prescriptions (claims) | 348 · 456 30-day fills |
|---|---|
| Patients | 197 |
| Total drug cost | $15,758 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Montefiore Medical CenterBronx, NY · 2,820 clinicians
Hospital affiliation
- Montefiore Medical CenterBronx, NY
Industry payments (Open Payments)
- 2025$1,121 · 21 payments from 6 companies
- 2024$440.22 · 9 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $462.42 | 12 |
| Micro-Tech Endoscopy USA, Inc. | $316.31 | 2 |
| Olympus America Inc. | $228.46 | 2 |
| Conmed Corporation | $46.15 | 1 |
| Lilly USA, LLC | $38.74 | 2 |
What the 2025 payments were for
- Food and Beverage$1,121 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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