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Internal Medicine

Leonard Sukienik, DO

Works at hospitals in Melbourne, FL · Florida

Summary

Leonard Sukienik, DO (Internal Medicine) is listed by Medicare at 2 hospitals in Melbourne, FL. NPI 1780660837. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Leonard Sukienik, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
34Years since medical school (graduated 1992)
MaleGender (as listed)
Suntree Internal Medicine, Inc.Group practice

Quick answers

Which hospitals does Leonard Sukienik work at?
Medicare's official clinician data lists Leonard Sukienik at 2 hospitals: Holmes Regional Medical Center and Viera Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Leonard Sukienik see patients?
Medicare's clinician data lists 1 practice location in Melbourne, FL. Call before your visit to confirm the address.
What is Leonard Sukienik's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Leonard Sukienik accept Medicare assignment?
Yes. Medicare's clinician data says Leonard Sukienik accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Leonard Sukienik?
(321) 259-9500, as listed in official Medicare / NPI Registry data.
What is Leonard Sukienik's NPI number?
1780660837. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Leonard Sukienik works

Medicare's Facility Affiliation Data lists Leonard Sukienik at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Leonard Sukienik is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Leonard Sukienik as a member of this group (CMS data updated 2026-10-02).

  • Suntree Internal Medicine, Inc.21 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Melbourne

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

All internal medicine doctors in Melbourne →

Clinician information

CredentialDO
Graduation year1992
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780660837
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians