Dr. Marek Denisiuk DO
About this NPIWhat this record shows.
NPI 1518457860 is registered to Dr. Marek Denisiuk DO, a Orthopaedic Surgery practising at 651 Bay Road, Suite F1 in Dover, Delaware. Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles. Dr. Marek Denisiuk DO has been enumerated in the National Provider Identifier (NPI) registry since 2018.
Beyond the registryWhat this record adds.
It is enrolled in Medicare, linking to 2 PECOS enrollment records (each with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 146 Orthopaedic Surgery providers on file in Delaware.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20230801001159Orthopedic SurgeryGA
- I20241028002691Orthopedic SurgeryDE
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Marek Denisiuk DO accepts. To confirm in-network status with your specific health plan, contact Dr. Marek Denisiuk DO directly at (302) 730-4366.
Frequently asked
Yes. NPI 1518457860 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (302) 730-4366.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Marek Denisiuk DO is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 146 Orthopaedic Surgery providers are registered in Delaware, and Dr. Marek Denisiuk DO is one of them. The figure refreshes each month from the federal source.