Hema Madhavi Vankayala, MD
NPI 1023227691ActiveIndividual· Internal Medicine, Hematology & Oncology· Fleming Island, FL
Internal Medicine, Hematology & Oncology (MD) with Cancer Specialists LLC, practicing in Fleming Island, Florida. Their prescriptions cost Medicare Part D more than their services did: $2,573,056 for 1,011 claims, against $1,152,221 paid for services in 2024. Eisai Inc. was the largest of 15 companies reporting payments in 2025, $407.84 in all, mostly food and beverage. Lists Ascension St Vincent's Clay County and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1023227691 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 21, 2007 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | ME132894 | FL |
| Internal Medicine | 207R00000X | 4301084093 | MI |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 4301084093 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 342 |
|---|---|
| Services billed | 98,466 across 113 procedure codes |
| Paid by Medicare | $1,152,221 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,011 · 1,340 30-day fills |
|---|---|
| Patients | 164 |
| Total drug cost | $2,573,056 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Cancer Specialists LLCJacksonville, FL · 44 clinicians
Hospital affiliations
- Ascension St Vincent's Clay CountyMiddleburg, FL
- Ascension St Vincent's RiversideJacksonville, FL
- Baptist Health Medical Center - JacksonvilleJacksonville, FL
- HCA Florida Orange Park HospitalOrange Park, FL
Industry payments (Open Payments)
- 2025$407.84 · 23 payments from 15 companies
- 2024$808.41 · 54 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eisai Inc. | $58.06 | 3 |
| Novartis Pharmaceuticals Corporation | $48.77 | 3 |
| Merck Sharp & Dohme LLC | $44.09 | 2 |
| Pfizer Inc. | $35.43 | 2 |
| Janssen Biotech, Inc. | $31.23 | 2 |
What the 2025 payments were for
- Food and Beverage$407.84 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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