Olga Leonidovna Mazur, MD
Surgery Physician · Warrenton, VA
Olga Leonidovna Mazur, MD is a surgery physician with a practice address in Warrenton, Virginia, and NPI 1841787082, issued on Apr 13, 2018. Check the license (Virginia 0101278026, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Olga Leonidovna Mazur
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 0101278026 VA
Self-reported in NPPES; status is on the state search - Practice location
- 500 Hospital Dr, Warrenton, VA 20186
- Phone
- (540) 316-5000
- Enumerated
- Apr 13, 2018
- Record last updated
- Jun 19, 2023
- Medicare enrollment
- Enrolled (PECOS I20230524000306); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 865 in Virginia → Look up another NPI →
Also registered at 500 Hospital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Khawaja Ahmed, M.D.Hospitalist Physician1437360542
- Zohayr Alshaial, M.D.Internal Medicine Physician1841245537
- Arij Azhar, MDCritical Care Medicine (Internal Medicine) Physician1811493299
- William Barker, MDEmergency Medical Services (Emergency Medicine) Physician1770599847
- Jennifer Benjamin, PAMedical Physician Assistant1639183593
- Melissa Braun, NPNeonatal Nurse Practitioner1023365335
Verify Olga Leonidovna Mazur in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101278026Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average surgery physician in 2024
57 Medicare Part D claims for 28 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Ondansetron Odt16 claims
- Oxycodone-Acetaminophen16 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.
Industry payments in 2024: $22.22
1 payment: food and beverage; the largest payer was Endogastric Solutions, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Fauquier Physician Practices LLCWarrenton, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Olga Leonidovna Mazur among 865 surgery physician records in Virginia
Olga Leonidovna Mazur, MD is one of 865 surgery physician records with a practice address in Virginia. 71% 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 82% of them.
- NPI issued2018 · 82% of these records are older, 16% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2018 · median 2004 among the 483 with a school on file
- Record last updated2023 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Virginia
There are 865 surgery physician records in Virginia.
All 865 in Virginia → Every provider in Warrenton → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Joseph Brown, MDWarrenton, VA 201861679505705
- Naghmeh Pirsaharkhizlangroudi, M.D.Warrenton, VA 201861245766617
- Nathaniel Saint-Preux, MDWarrenton, VA 201861790218642
- Mohammed Bayasi, MDReston, VA 201901871784058
- Elizabeth Feldman, MDReston, VA 201901265565626
- Matthew Fitzer, MDReston, VA 201901366489098
- Joseph Greene, MDReston, VA 201901235497827
- Brett Sachse, MDReston, VA 201901518975317
Common questions
What is Olga Leonidovna Mazur, MD's NPI number?
Olga Leonidovna Mazur, MD's National Provider Identifier (NPI) is 1841787082, issued on Apr 13, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Olga Leonidovna Mazur, MD located?
The NPPES record lists a practice address at 500 Hospital Dr, Warrenton, VA, 20186. Phone: (540) 316-5000. Providers update this record themselves, so call before visiting.
How can I verify Olga Leonidovna Mazur, MD's license?
NPPES lists Virginia license number 0101278026, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Olga Leonidovna Mazur, MD prescribe under Medicare Part D?
In 2024, Olga Leonidovna Mazur, MD had 57 Medicare Part D claims for 28 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
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.