Easwar M. Sundaram Jr., MD
NPI 1679571004ActiveIndividual· Psychiatry & Neurology, Neurology· Sherman, TX
Psychiatry & Neurology, Neurology (MD) in Sherman, Texas, trained at University of Vermont College of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $3,147,120 for 9,958 claims, against $525,726 paid for services in 2024. Ucb, Inc. was the largest of 25 companies reporting payments in 2025, $1,363 in all, mostly food and beverage.
Overview
| NPI | 1679571004 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 10, 2005 |
| Last updated in NPPES | Aug 11, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | H5637 | TX |
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 (OK); Practitioner - Neurology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 862 |
|---|---|
| Services billed | 42,686 across 77 procedure codes |
| Paid by Medicare | $525,726 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,958 · 13,228 30-day fills |
|---|---|
| Patients | 834 |
| Total drug cost | $3,147,120 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Vermont College of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Texoma Neurology Associates, PADurant, OK · 26 clinicians
Hospital affiliations
- Medical City LewisvilleLewisville, TX
- Medical City PlanoPlano, TX
- Texoma Medical CenterDenison, TX
Industry payments (Open Payments)
- 2025$1,363 · 64 payments from 25 companies
- 2024$790.79 · 38 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $213.39 | 9 |
| Abbvie Inc. | $164.83 | 12 |
| Amgen Inc. | $126.73 | 5 |
| Pfizer Inc. | $95.28 | 5 |
| Argenx US, Inc. | $84.42 | 3 |
What the 2025 payments were for
- Food and Beverage$1,363 · 64 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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