Chhay H. Tay, MD
NPI 1962460741ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Humble, TX
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Humble, Texas, trained at Medical College of Wisconsin (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $1,747,250 for 4,625 claims, against $81,403 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 17 companies reporting payments in 2025, $694.34 in all, mostly food and beverage.
Overview
| NPI | 1962460741 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 2, 2006 |
| Last updated in NPPES | Jul 15, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | L5149 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 326 |
|---|---|
| Services billed | 959 across 12 procedure codes |
| Paid by Medicare | $81,403 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,625 · 10,234 30-day fills |
|---|---|
| Patients | 428 |
| Total drug cost | $1,747,250 |
| Generic share | 52% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Pinewood Medical Clinic, PAMagnolia, TX · 2 clinicians
Hospital affiliations
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
Industry payments (Open Payments)
- 2025$694.34 · 31 payments from 17 companies
- 2024$742.75 · 38 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $99.43 | 4 |
| Abbvie Inc. | $76.16 | 4 |
| Novo Nordisk Inc | $66.59 | 3 |
| Ascensia Diabetes Care US Inc. | $59.63 | 2 |
| Radius Health, Inc. | $49.98 | 2 |
What the 2025 payments were for
- Food and Beverage$694.34 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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