Sayan Deb Ray, M.D.
NPI 1881607653ActiveIndividual· Internal Medicine, Infectious Disease· Orange, CA
Internal Medicine, Infectious Disease (M.D.) in Orange, California, trained at Medical College of Ohio (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $572,835 for 816 claims, against $142,970 paid for services in 2024. Gilead Sciences, Inc. reported $150.29 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1881607653 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 14, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | A66934 | CA |
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 - Infectious Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 300 |
|---|---|
| Services billed | 1,751 across 7 procedure codes |
| Paid by Medicare | $142,970 |
Part D prescriptions in 2024
| Prescriptions (claims) | 816 · 879 30-day fills |
|---|---|
| Patients | 126 |
| Total drug cost | $572,835 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Medical College of Ohio |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Hospital affiliations
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Pih Health Good Samaritan HospitalLos Angeles, CA
- Providence St. Joseph HospitalOrange, CA
Other facilities
- Lavanda Home Health Care Agency, IncHome health agency · Burbank, CA
Industry payments (Open Payments)
- 2025$150.29 · 8 payments from 1 company
- 2024$183.29 · 11 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $150.29 | 8 |
What the 2025 payments were for
- Food and Beverage$150.29 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 infectious disease specialists in Orange · All infectious disease specialists in California