Nicholas Chajec, DO
NPI 1528700507 · Emergency Medicine Physician · Brandon, FL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Chajec, DO is a Emergency Medicine Physician provider in Brandon, FL (NPI 1528700507).
Provider details
- NPI number
- 1528700507
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
83% 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$194 across 1 record (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
- 2022-04-11
- Last updated
- 2025-05-21
- Certified
- 2025-05-21
Frequently asked questions
- What is Nicholas Chajec's NPI number?
- Nicholas Chajec's National Provider Identifier (NPI) is 1528700507, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Chajec's specialty?
- Nicholas Chajec is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Chajec located?
- Nicholas Chajec's practice location on file with NPPES is 119 Oakfield Dr, Brandon, FL 33511-5779.
- What is Nicholas Chajec's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Chajec is (813) 997-2308.
- Does Nicholas Chajec accept Medicare?
- Nicholas Chajec is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Chajec's NPI active?
- Yes — Nicholas Chajec's NPI (1528700507) is active in the NPPES registry as of the last update on 2025-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.