Evadne Chi Ong, MD
NPI 1336391721ActiveIndividual· Internal Medicine· Jamestown, NY
Internal Medicine (MD) with Great Lakes Physician Practice PC, practicing in Jamestown, New York. Their prescriptions cost Medicare Part D more than their services did: $1,085,566 for 9,854 claims, against $98,567 paid for services in 2024. Lists Upmc Chautauqua at Wca and 1 other hospital as hospital affiliations.
Overview
| NPI | 1336391721 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 16, 2008 |
| Last updated in NPPES | Jan 25, 2024 |
| Certified by provider | Jul 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 267555-01 | 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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 332 |
|---|---|
| Services billed | 1,661 across 41 procedure codes |
| Paid by Medicare | $98,567 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,854 · 23,665 30-day fills |
|---|---|
| Patients | 707 |
| Total drug cost | $1,085,566 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Great Lakes Physician Practice PCDunkirk, NY · 144 clinicians
Hospital affiliations
- Upmc Chautauqua at WcaJamestown, NY
- Upmc HamotErie, PA
Other facilities
- Vna of Western Ny ChhaHome health agency · Cheektowaga, NY
- Willcare Chha (Buffalo)Home health agency · Amherst, NY
- Chautauqua Hospice and Palliative CareHospice · Lakewood, NY
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 internal medicine physicians in Jamestown · All internal medicine physicians in New York