Quang V. Ton, M.D.
NPI 1689912669ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Yonkers, NY
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Stamford Health Medical Group Inc, practicing in Yonkers, New York. Their prescriptions cost Medicare Part D more than their services did: $1,095,328 for 2,233 claims, against $129,717 paid for services in 2024. Sequel Med Tech, LLC reported $116.67 in payments in 2025, mostly food and beverage. Lists Stamford Hospital as a hospital affiliation.
Overview
| NPI | 1689912669 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 25, 2013 |
| Last updated in NPPES | Jul 31, 2024 |
| Certified by provider | Jul 31, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 279264 | 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 - Endocrinology (CT); Practitioner - Endocrinology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 398 |
|---|---|
| Services billed | 5,755 across 39 procedure codes |
| Paid by Medicare | $129,717 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,233 · 4,910 30-day fills |
|---|---|
| Patients | 459 |
| Total drug cost | $1,095,328 |
| Generic share | 39% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Stamford Health Medical Group IncStamford, CT · 444 clinicians
Hospital affiliation
- Stamford HospitalStamford, CT
Industry payments (Open Payments)
- 2025$116.67 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sequel Med Tech, LLC | $116.67 | 1 |
What the 2025 payments were for
- Food and Beverage$116.67 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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