Ashtami Vishwanath Banavali, MD
NPI 1902184518ActiveIndividual· Internal Medicine, Hematology & Oncology· Ada, OK
Internal Medicine, Hematology & Oncology (MD) with Mercy Clinic Oklahoma Communities, practicing in Ada, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $3,521,547 for 1,096 claims, against $79,085 paid for services in 2024. Pfizer Inc. was the largest of 33 companies reporting payments in 2025, $2,105 in all, mostly food and beverage. Lists Chickasaw Nation Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1902184518 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 31, 2011 |
| Last updated in NPPES | Dec 29, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 32636 | OK |
| Internal Medicine | 207R00000X | P26486 | MD |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | 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 - Hematology/Oncology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 481 |
|---|---|
| Services billed | 826 across 10 procedure codes |
| Paid by Medicare | $79,085 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,096 · 1,302 30-day fills |
|---|---|
| Patients | 242 |
| Total drug cost | $3,521,547 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Mercy Clinic Oklahoma CommunitiesOklahoma City, OK · 649 clinicians
Hospital affiliations
- Chickasaw Nation Medical CenterAda, OK
- Mercy Hospital AdaAda, OK
- Mercy Hospital Ardmore, IncArdmore, OK
- Mercy Hospital Oklahoma City, IncOklahoma City, OK
- Mercy Hospital Tishomingo IncTishomingo, OK
Industry payments (Open Payments)
- 2025$2,105 · 107 payments from 33 companies
- 2024$1,679 · 92 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $283.32 | 23 |
| Astrazeneca Pharmaceuticals LP | $215.11 | 11 |
| Shield Therapeutics Inc | $167.69 | 4 |
| Genentech USA, Inc. | $114.36 | 6 |
| Daiichi Sankyo Inc. | $99.90 | 5 |
What the 2025 payments were for
- Food and Beverage$1,914 · 88 payments
- Education$191.57 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other hematologist-oncologists in Ada
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