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Internal Medicine

Elizabeth Mazezka, DO

Works at hospitals in Morgantown, WV · Kingwood, WV · West Virginia

Summary

Dr. Elizabeth Mazezka, DO is an internal medicine doctor at 110 N Price St, Kingwood, WV 26537. Phone: (304) 329-3500. Accepts Medicare assignment. In 2024, Elizabeth Mazezka had 76 Original Medicare patients and 288 services. NPI 1861997033. 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 Elizabeth Mazezka, 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 Elizabeth Mazezka accept Medicare assignment?
Yes. Medicare's clinician data says Elizabeth Mazezka 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 Elizabeth Mazezka see?
In 2024, CMS data shows 76 Original Medicare patients and 288 services for Elizabeth Mazezka. This counts Original Medicare only and measures volume, not quality.
What is Elizabeth Mazezka's NPI number?
1861997033. 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 Elizabeth Mazezka, 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 patients76
Services billed to Medicare288
Different services or procedures25
Participating Medicare providerYes
Average age of these patients72

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)122 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)44 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)36 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)22 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%
  • High cholesterol75%
  • Arthritis51%
  • Ischemic heart disease38%
  • Anxiety38%
  • Depression32%

Hospitals where Elizabeth Mazezka works

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

Group practices

Medicare enrollment lists Elizabeth Mazezka as a member of these groups (CMS data updated October 2, 2026).

  • Monongalia County General Hospital Company243 clinicians in the group
  • Preston Memorial Hospital Corporation46 clinicians in the group

Specialties

Find other Internal Medicine doctors in West Virginia →

Other internal medicine doctors in Kingwood

Clinicians with the same Medicare primary specialty in Kingwood, WV — not a recommendation.

All internal medicine doctors in Kingwood →

Other clinicians in Monongalia County General Hospital Company

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

Clinician information

CredentialDO
Medical schoolWest Virginia School Of Osteopathic Medicine
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1861997033
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