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Internal Medicine

Alexandra P. Zelenka, MD

Works at hospitals in Clearwater, FL · Tampa, FL · Florida

Summary

Dr. Alexandra P. Zelenka, MD is an internal medicine doctor at 13015 W Linebaugh Ave, Suite 101, Tampa, FL 33626. Phone: (813) 814-4204. Accepts Medicare assignment. In 2024, Alexandra P. Zelenka had 182 Original Medicare patients and 535 services. NPI 1023297199. 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.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 13015 W Linebaugh Ave, Suite 101, Tampa, FL 33626 · Directions
  • Phone: (813) 814‑4204
  • Medicare: Accepts Medicare assignment
  • Hospitals: Morton Plant Hospital, St Josephs Hospital
  • Medical school: State University Of New York At Buffalo School Of Medicine · graduated 1996 (30 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Alexandra P. Zelenka, 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 Alexandra P. Zelenka accept Medicare assignment?
Yes. Medicare's clinician data says Alexandra P. Zelenka 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 Alexandra P. Zelenka see?
In 2024, CMS data shows 182 Original Medicare patients and 535 services for Alexandra P. Zelenka. This counts Original Medicare only and measures volume, not quality.
What is Alexandra P. Zelenka's NPI number?
1023297199. 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 Alexandra P. Zelenka, 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 patients182
Services billed to Medicare535
Different services or procedures10
Participating Medicare providerYes
Average age of these patients74

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)391 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)59 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)43 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 cholesterol75%
  • High blood pressure67%
  • Arthritis43%
  • Ischemic heart disease31%
  • Anxiety21%
  • Diabetes19%

Hospitals where Alexandra P. Zelenka works

Medicare's Facility Affiliation Data lists Alexandra P. Zelenka 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.

  • Morton Plant HospitalClearwater, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100127
  • St Josephs HospitalTampa, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100075

Practice locations

Addresses where Alexandra P. Zelenka is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Tampa

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

All internal medicine doctors in Tampa →

Clinician information

CredentialMD
Medical schoolState University Of New York At Buffalo School Of Medicine
Graduation year1996 (30 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1023297199
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