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
Mailing address1745 Niles Cortland Rd Ne, Warren, OH 44484-6046

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