Anush Manikanden Vasikaran, MD
NPI 1669836789ActiveIndividual· Internal Medicine, Gastroenterology· Shreveport, LA
Internal Medicine, Gastroenterology (MD) with Central Washington Health Services Association and 1 other group, practicing in Shreveport, Louisiana. Their prescriptions cost Medicare Part D more than their services did: $91,792 for 320 claims, against $28,674 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 7 companies reporting payments in 2025, $252.23 in all, mostly food and beverage. Lists Centura Health-St Anthony Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1669836789 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 6, 2016 |
| Last updated in NPPES | Nov 3, 2026 |
| Certified by provider | Nov 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 76972-20 | WI |
| Internal Medicine | 207R00000X | 75868 | TN |
| Internal Medicine, Gastroenterology | 207RG0100X | 75868 | TN |
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 - Gastroenterology (IN); Practitioner - Gastroenterology (NY); Practitioner - Gastroenterology (WA); Practitioner - Gastroenterology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 147 |
|---|---|
| Services billed | 246 across 32 procedure codes |
| Paid by Medicare | $28,674 |
Part D prescriptions in 2024
| Prescriptions (claims) | 320 · 370 30-day fills |
|---|---|
| Patients | 148 |
| Total drug cost | $91,792 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical groups
- Central Washington Health Services AssociationWenatchee, WA · 721 clinicians
- Gastroenterology Associates of Brooklyn PLLCBrooklyn, NY · 16 clinicians
Hospital affiliations
- Centura Health-St Anthony HospitalLakewood, CO
- Confluence Health HospitalWenatchee, WA
Industry payments (Open Payments)
- 2025$252.23 · 10 payments from 7 companies
- 2024$427.20 · 15 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $70.53 | 2 |
| Abbvie Inc. | $43.58 | 2 |
| Ardelyx, Inc. | $33.48 | 2 |
| Aimmune Therapeutics, Inc. | $31.80 | 1 |
| Gilead Sciences, Inc. | $28.11 | 1 |
What the 2025 payments were for
- Food and Beverage$252.23 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 48 gastroenterologists in Shreveport · All gastroenterologists in Louisiana