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Anesthesiology

Ronald V. Mejzak, DO

Sees patients in Virginia Beach, VA · Virginia

Summary

Dr. Ronald V. Mejzak, DO is an anesthesiologist at 1100 1st Colonial Rd, Virginia Beach, VA 23454. Phone: (757) 496-4500. Accepts Medicare assignment. In 2024, Ronald V. Mejzak had 28 Original Medicare patients and 113 services. NPI 1447228507. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 1100 1st Colonial Rd, Virginia Beach, VA 23454 · Directions
  • Phone: (757) 496‑4500
  • Medicare: Accepts Medicare assignment
  • Group practice: First Hospital Corporation of Virginia Beach
  • Medical school: At Still University Of Health Sciences, College Of Osteo Med, Kirksville · graduated 1999 (27 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ronald V. Mejzak, 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 Ronald V. Mejzak accept Medicare assignment?
Yes. Medicare's clinician data says Ronald V. Mejzak 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 Ronald V. Mejzak see?
In 2024, CMS data shows 28 Original Medicare patients and 113 services for Ronald V. Mejzak. This counts Original Medicare only and measures volume, not quality.
What is Ronald V. Mejzak's NPI number?
1447228507. 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 Ronald V. Mejzak, 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 patients28
Services billed to Medicare113
Different services or procedures3
Participating Medicare providerYes
Average age of these patients61

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)75 services
  2. Hospital discharge day management, 30 minutes or less (99238)20 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)18 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%
  • Depression75%
  • Anxiety68%
  • High cholesterol54%
  • Arthritis39%

Practice locations

Addresses where Ronald V. Mejzak is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ronald V. Mejzak as a member of this group (CMS data updated October 2, 2026).

  • First Hospital Corporation of Virginia Beach7 clinicians in the group

Specialties

Find other Anesthesiology doctors in Virginia →

Other anesthesiologists in Virginia Beach

Clinicians with the same Medicare primary specialty in Virginia Beach, VA — not a recommendation.

All anesthesiologists in Virginia Beach →

Other clinicians in First Hospital Corporation of Virginia Beach

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

Clinician information

CredentialDO
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year1999 (27 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447228507
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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