Robin V. Koshy, MD
NPI 1831427137ActiveIndividual· Internal Medicine· Dallas, TX
Internal Medicine (MD) with Dallas County Hospital District and 1 other group, practicing in Dallas, Texas. Their prescriptions cost Medicare Part D more than their services did: $3,013,312 for 2,868 claims, against $3,381 paid for services in 2024. Merck Sharp & Dohme LLC reported $34.38 in payments in 2025, mostly food and beverage. Lists Parkland Health & Hospital System as a hospital affiliation.
Overview
| NPI | 1831427137 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 24, 2009 |
| Last updated in NPPES | Aug 7, 2024 |
| Certified by provider | Aug 7, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | U0379 | TX |
| Internal Medicine | 207R00000X | 251084 | NY |
| Internal Medicine, Infectious Disease | 207RI0200X | 251084 | 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 - Infectious Disease (GA); Practitioner - Infectious Disease (NY); Practitioner - Internal Medicine (TX); Practitioner - Infectious Disease (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 34 |
|---|---|
| Services billed | 84 across 4 procedure codes |
| Paid by Medicare | $3,381 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,868 · 3,772 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $3,013,312 |
| Generic share | 60% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Dallas County Hospital DistrictDallas, TX · 602 clinicians
- Ccmma Tx PLLCPampa, TX · 17 clinicians
Hospital affiliation
- Parkland Health & Hospital SystemDallas, TX
Industry payments (Open Payments)
- 2025$34.38 · 1 payment from 1 company
- 2024$34.55 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $34.38 | 1 |
What the 2025 payments were for
- Food and Beverage$34.38 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,234 internal medicine physicians in Dallas · All internal medicine physicians in Texas