Brittany Mazejko
Nurse Practitioner · Warren, OH
Brittany Mazejko is a nurse practitioner with a practice address in Warren, Ohio, and NPI 1518514926, issued on Aug 20, 2019. Check the license (Ohio RN.375280, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brittany Mazejko
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN.375280 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1745 Niles Cortland RD NE, Warren, OH 44484
- Phone
- (330) 856-8600
- Enumerated
- Aug 20, 2019
- Entity
- Type 1 · individual
Verify Brittany Mazejko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license RN.375280Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
40% fewer Medicare Part D claims than the average nurse practitioner in 2024
688 Medicare Part D claims for 223 beneficiaries, against an average of 1,144 among the 50,277 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 176 claims were for opioids.
Most prescribed
- Oxycodone Hcl68 claims
- Anastrozole55 claims
- Potassium Chloride47 claims
- Levothyroxine Sodium43 claims
- Diphenoxylate-Atropine39 claims
- Hydrocodone-Acetaminophen39 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 practice group's Medicare quality score for 2023: 91.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,296.84
113 payments, mostly food and beverage; the largest payer was Daiichi Sankyo Inc.. The 36,168 providers of this specialty with any payment received $802.80 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.
One hospital or facility affiliation
- Mahoning Valley Hematology Oncology Assoc. Inc.Youngstown, OH
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Nurse Practitioner providers in Ohio
There are 3,839 nurse practitioner records in Ohio.
Other nurse practitioner records in Ohio
- Kristina Abbott, CNPMayfield Heights, OH1669810669
- Hibo Abdi, NPColumbus, OH1992405047
- Amina Abdule, APRN-CNPColumbus, OH1316346786
- Reyhanna AbdullahAkron, OH1497107510
- Farrah Abergel, MSN, ARNP, FNP-BCColumbus, OH1699245993
- Courtney Abfall, FNP-CAthens, OH1528798261
- Christine Abner, APRNMontgomery, OH1255749081
- Danielle AbneyMason, OH1134730781
- Joni AbramczykDayton, OH1003365198
- Martha Abramovich, APRN-CNPCincinnati, OH1558021022
Common questions
What is Brittany Mazejko's NPI number?
Brittany Mazejko's National Provider Identifier (NPI) is 1518514926, issued on Aug 20, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Brittany Mazejko located?
The NPPES record lists a practice address at 1745 Niles Cortland RD NE, Warren, OH, 44484. Phone: (330) 856-8600. Providers update this record themselves, so call before visiting.
How can I verify Brittany Mazejko's license?
NPPES lists Ohio license number RN.375280, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does Brittany Mazejko prescribe under Medicare Part D?
In 2024, Brittany Mazejko had 688 Medicare Part D claims for 223 beneficiaries; the average among nurse practitioner prescribers was 1,144. Part D covers Medicare prescriptions only.
What is Brittany Mazejko's Medicare quality score?
The 2023 MIPS final score is 91.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.