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Hematology/Oncology

Hema M. Vankayala, MD

Works at hospitals in Middleburg, FL · Jacksonville, FL · Orange Park, FL · Florida

Summary

Dr. Hema M. Vankayala, MD is a hematologist-oncologist at 2370 Market Dr, Fleming Island, FL 32003. Phone: (904) 264-6201. Accepts Medicare assignment. In 2024, Hema M. Vankayala had 342 Original Medicare patients and 98,466 services. NPI 1023227691. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Hema M. Vankayala, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Hema M. Vankayala accept Medicare assignment?
Yes. Medicare's clinician data says Hema M. Vankayala accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Hema M. Vankayala see?
In 2024, CMS data shows 342 Original Medicare patients and 98,466 services for Hema M. Vankayala. This counts Original Medicare only and measures volume, not quality.
What is Hema M. Vankayala's NPI number?
1023227691. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Hema M. Vankayala, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients342
Services billed to Medicare98,466
Different services or procedures113
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, ferric carboxymaltose, 1 mg (J1439)15,000 services
  2. Injection, denosumab, 1 mg (J0897)4,320 services
  3. Injection, dexamethasone sodium phosphate, 1 mg (J1100)1,446 services
  4. Insertion of needle into vein for collection of blood sample (36415)947 services
  5. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)722 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis49%
  • Ischemic heart disease46%
  • Diabetes42%
  • Chronic kidney disease39%

Hospitals where Hema M. Vankayala works

Medicare's Facility Affiliation Data lists Hema M. Vankayala at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Hema M. Vankayala is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Hema M. Vankayala as a member of this group (CMS data updated October 2, 2026).

  • Cancer Specialists LLC44 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Florida →

Other hematologist-oncologists in Fleming Island

Clinicians with the same Medicare primary specialty in Fleming Island, FL — not a recommendation.

All hematologist-oncologists in Fleming Island →

Other clinicians in Cancer Specialists LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023227691
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians