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Anesthesiology

Marzanna I. Vasington, DO

Works at hospitals in Marathon, FL · Florida

Summary

Dr. Marzanna I. Vasington, DO is an anesthesiologist at 3301 Overseas Hwy, Marathon, FL 33050. Phone: (305) 743-5533. Accepts Medicare assignment. In 2024, Marzanna I. Vasington had 111 Original Medicare patients and 121 services. NPI 1295926822. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 3301 Overseas Hwy, Marathon, FL 33050 · Directions
  • Phone: (305) 743‑5533
  • Medicare: Accepts Medicare assignment
  • Hospital: Fishermen's Community Hospital
  • Group practice: Shi Anesthesia
  • Medical school: New York College Of Osteo Medicine Of New York Institute Of Technology · graduated 2003 (23 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Marzanna I. Vasington, 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 Marzanna I. Vasington accept Medicare assignment?
Yes. Medicare's clinician data says Marzanna I. Vasington 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 Marzanna I. Vasington see?
In 2024, CMS data shows 111 Original Medicare patients and 121 services for Marzanna I. Vasington. This counts Original Medicare only and measures volume, not quality.
What is Marzanna I. Vasington's NPI number?
1295926822. 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 Marzanna I. Vasington, 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 patients111
Services billed to Medicare121
Different services or procedures21
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Anesthesia for other procedure on large bowel using an endoscope (00811)29 services
  2. Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (01810)19 services
  3. Anesthesia for procedure on small and large bowel using an endoscope (00813)13 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 pressure70%
  • Arthritis49%
  • Ischemic heart disease22%
  • Diabetes19%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)19%

Hospitals where Marzanna I. Vasington works

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

Group practices

Medicare enrollment lists Marzanna I. Vasington as a member of this group (CMS data updated October 2, 2026).

  • Shi Anesthesia2 clinicians in the group

Specialties

Find other Anesthesiology doctors in Florida →

Other anesthesiologists in Florida

Clinicians with the same Medicare primary specialty in Florida — not a recommendation.

All anesthesiologists in Florida →

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1295926822
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