Premetesh Chattoo, D.O.
NPI 1255395083ActiveIndividual· Specialist· New York, NY
Specialist (D.O.) in New York, New York, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $351,227 for 1,633 claims, against $10,079 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 11 companies reporting payments in 2025, $12,708 in all, mostly speaking and faculty fees.
Overview
| NPI | 1255395083 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Apr 17, 2006 |
| Last updated in NPPES | Jan 30, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 2324841 | 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 - Gastroenterology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 30 |
|---|---|
| Services billed | 554 across 16 procedure codes |
| Paid by Medicare | $10,079 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,633 · 1,737 30-day fills |
|---|---|
| Patients | 297 |
| Total drug cost | $351,227 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | New York College of Osteo Medicine of New York Institute of Technology |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Dr Prem Chattoo DO PCNew York, NY · 2 clinicians
Industry payments (Open Payments)
- 2025$12,708 · 124 payments from 11 companies
- 2024$46,782 · 138 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $7,497 | 21 |
| Abbvie Inc. | $2,915 | 17 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $947.60 | 53 |
| Madrigal Pharmaceuticals | $822.75 | 13 |
| Ardelyx, Inc. | $263.33 | 10 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$7,535 · 4 payments
- Food and Beverage$3,675 · 115 payments
- Travel and Lodging$1,498 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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