Internal Medicine, Infectious Disease
Dr. WILLIAM CHASANOV D.O.
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1104028919 · enumerated 2007-06-04 · record updated 2026-02-09. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Mailing address 1515 SAVANNAH RD, LEWES, DE, 19958-1675 (302) 645-3499 Fax (302) 644-4830 Google Maps Apple Maps OpenStreetMap
- Practice location 1535 SAVANNAH RD, LEWES, DE, 19958-1611 (302) 645-3232 Fax (302) 645-3198 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine, Infectious Disease 207RI0200X · Primary · License C7-0003733 DE
- Internal Medicine 207R00000X · License C7-0003773 DE
- Internal Medicine, Infectious Disease 207RI0200X · License 25MB09331000 NJ
In this directory
DE Sussex County Lewes Internal Medicine, Infectious Disease
Locations and evidence
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Practice location
LEWES, DE, 199581611
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.