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Hematology/Oncology

Katarina Leckova, MD

Works at hospitals in Watervliet, MI · Goshen, IN · St Joseph, MI · Michigan, Indiana

Summary

Dr. Katarina Leckova, MD is a hematologist-oncologist at 3900 Hollywood Rd, Saint Joseph, MI 49085. Phone: (269) 428-4411. Accepts Medicare assignment. In 2024, Katarina Leckova had 207 Original Medicare patients and 482 services. NPI 1699734251. 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 Katarina Leckova, 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 Katarina Leckova accept Medicare assignment?
Yes. Medicare's clinician data says Katarina Leckova 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 Katarina Leckova see?
In 2024, CMS data shows 207 Original Medicare patients and 482 services for Katarina Leckova. This counts Original Medicare only and measures volume, not quality.
What is Katarina Leckova's NPI number?
1699734251. 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 Katarina Leckova, 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 patients207
Services billed to Medicare482
Different services or procedures13
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)280 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)110 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)42 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)16 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 pressure74%
  • High cholesterol65%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)41%
  • Arthritis36%
  • Ischemic heart disease31%
  • Diabetes29%

Hospitals where Katarina Leckova works

Medicare's Facility Affiliation Data lists Katarina Leckova 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 Katarina Leckova is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Katarina Leckova as a member of this group (CMS data updated October 2, 2026).

  • Lakeland Medical Practices281 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Michigan →

Other hematologist-oncologists in Saint Joseph

Clinicians with the same Medicare primary specialty in Saint Joseph, MI — not a recommendation.

All hematologist-oncologists in Saint Joseph →

Other clinicians in Lakeland Medical Practices

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)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1699734251
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