Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Brittany Mazejko

Individual provider Nurse Practitioner · NPI 1518514926

Brittany Mazejko is a Nurse Practitioner in Warren, Ohio. Qualified in 2019, 7 years ago. Practices with Mahoning Valley Hematology Oncology Assoc Inc, a 7-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
7
Licensed in
OH
In the registry since
2019

Practice location Address checks out

1745 Niles Cortland Rd NE
Warren, OH 44484-6046
Phone: (330) 856-8600
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence RN.375280 (OH)

Record details

NPI number1518514926
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedAugust 20, 2019
Last updated in NPPESAugust 20, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Mahoning Valley Hematology Oncology Assoc. Inc. — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Warren