Elizabeth Mazezka, DO
Internal Medicine Physician · Morgantown, WV
Elizabeth Mazezka, DO is an internal medicine physician with a practice address in Morgantown, West Virginia, and NPI 1861997033, issued on Mar 28, 2018. Check the license (West Virginia 4499, as entered in NPPES) on the West Virginia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Mazezka
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 4499 WV
OS021649 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3132 Collins Ferry RD, Morgantown, WV 26505
- Phone
- (304) 598-2442
- Enumerated
- Mar 28, 2018
- Record last updated
- Jul 22, 2026
- Medicare enrollment
- Enrolled (PECOS I20250122002455); accepts Medicare assignment
- Medical or professional school
- West Virginia School Of Osteopathic Medicine, 2018
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 754 in West Virginia → Look up another NPI →
Also registered at 3132 Collins Ferry RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Borbala Czinege, MDFamily Medicine Physician1184116956
- Gabriella Horvath, MDInternal Medicine Physician1326099425
Verify Elizabeth Mazezka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWest Virginia Board of Medicine
Search for license 4499Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average internal medicine physician in 2024
3,188 Medicare Part D claims for 307 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium230 claims
- Gabapentin158 claims
- Levothyroxine Sodium126 claims
- Lisinopril113 claims
- Amlodipine Besylate102 claims
- Losartan Potassium97 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Preston Memorial Hospital CorporationKingwood, WV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Mazezka among 754 internal medicine physician records in West Virginia
Elizabeth Mazezka, DO is one of 754 internal medicine physician records with a practice address in West Virginia. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 73% of them.
- NPI issued2018 · 73% of these records are older, 23% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2018 · median 2010 among the 487 with a school on file
- Record last updated2026 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a West Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
177 internal medicine physician records list a practice address in Morgantown
They are 177 of the 6,074 NPPES records with a practice address in Morgantown, and 754 internal medicine physician records in West Virginia.
All 754 in West Virginia → Every provider in Morgantown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Roger Barclay, MDMorgantown, WV 265051376588079
- Sanjay Bharti, MDMorgantown, WV 265051376515692
- Joseph Blatt, M.D.Morgantown, WV 265051831484252
- Janna Brown, M.D.Morgantown, WV 265051710188495
- Pradeep Chadha, M.D.Morgantown, WV 265051659508638
- Melinda Cooper, MDMorgantown, WV 265051134339427
- Joshua Dower, M.D.Morgantown, WV 265051790901999
- Muhammad Ghabra, MDMorgantown, WV 265051851604250
Common questions
What is Elizabeth Mazezka, DO's NPI number?
Elizabeth Mazezka, DO's National Provider Identifier (NPI) is 1861997033, issued on Mar 28, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Mazezka, DO located?
The NPPES record lists a practice address at 3132 Collins Ferry RD, Morgantown, WV, 26505. Phone: (304) 598-2442. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Mazezka, DO's license?
NPPES lists West Virginia license number 4499, as entered by the provider. Search the West Virginia Board of Medicine at https://wvbom.wv.gov/public/search/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Elizabeth Mazezka, DO prescribe under Medicare Part D?
In 2024, Elizabeth Mazezka, DO had 3,188 Medicare Part D claims for 307 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Elizabeth Mazezka, DO's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.