Ruby E. Koshy, M.D.
NPI 1578741369ActiveIndividual· Psychiatry & Neurology, Neurology· Palo Alto, CA
Psychiatry & Neurology, Neurology (M.D.) with Sutter Bay Medical Foundation and 1 other group, practicing in Palo Alto, California. Their prescriptions cost Medicare Part D more than their services did: $31,748 for 78 claims, against $8,058 paid for services in 2024. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $122.12 in all, mostly food and beverage. Lists Riverside University Health System-Medical Center as a hospital affiliation.
Overview
| NPI | 1578741369 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 5, 2008 |
| Last updated in NPPES | May 15, 2026 |
| Certified by provider | May 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | A105884 | 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 - Neurology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 83 |
|---|---|
| Services billed | 125 across 23 procedure codes |
| Paid by Medicare | $8,058 |
Part D prescriptions in 2024
| Prescriptions (claims) | 78 · 96 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $31,748 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical groups
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
- Faculty Physicians and Surgeons of LlusmLoma Linda, CA · 1,315 clinicians
Hospital affiliation
- Riverside University Health System-Medical CenterMoreno Valley, CA
Industry payments (Open Payments)
- 2025$122.12 · 2 payments from 2 companies
- 2024$141.08 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $103.54 | 1 |
| Alexion Pharmaceuticals, Inc. | $18.58 | 1 |
What the 2025 payments were for
- Food and Beverage$122.12 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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