Brittany Mazejko
NPI 1518514926 · Nurse Practitioner · Warren, OH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brittany Mazejko is a Nurse Practitioner provider in Warren, OH (NPI 1518514926).
Provider details
- NPI number
- 1518514926
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RN.375280 (OH)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 68 | 24 |
| Anastrozole | 55 | 22 |
| Potassium Chloride | 47 | 37 |
| Levothyroxine Sodium | 43 | 14 |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 39 | 25 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 39 | 11 |
| Oxycodone Hcl/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,297 across 113 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-08-20
- Last updated
- 2019-08-20
Frequently asked questions
- What is Brittany Mazejko's NPI number?
- Brittany Mazejko's National Provider Identifier (NPI) is 1518514926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brittany Mazejko's specialty?
- Brittany Mazejko is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Brittany Mazejko located?
- Brittany Mazejko's practice location on file with NPPES is 1745 Niles Cortland Rd Ne, Warren, OH 44484-6046.
- What is Brittany Mazejko's phone number?
- The practice phone number listed in the NPPES registry for Brittany Mazejko is (330) 856-8600.
- Does Brittany Mazejko accept Medicare?
- Brittany Mazejko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brittany Mazejko's NPI active?
- Yes — Brittany Mazejko's NPI (1518514926) is active in the NPPES registry as of the last update on 2019-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.