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

William Rumancik, MD

Individual provider Diagnostic Radiology Physician · NPI 1053524363

William Rumancik, MD is a Diagnostic Radiology Physician in Wilmington, Delaware. Practices as a sole proprietor. Licensed in California, Delaware and New York.

Licensed in
CA, DE, NY
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

408 Hawthorne Dr
Wilmington, DE 19802-1242
Phone: (917) 565-6505
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence C1-0024032 (DE)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence G152002 (CA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 142593 (NY)

Record details

NPI number1053524363
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 7, 2007
Last updated in NPPESAugust 2, 2026
Certification dateAugust 2, 2026

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