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

William Patrick Mazur, MD

Individual provider Infectious Disease Physician · NPI 1518250828

William Patrick Mazur, MD is an Infectious Disease in Wilmington, Delaware. Qualified in 1996, 30 years ago. Practices with Christiana Care Health Services Inc, a 1,481-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Delaware.

Years since qualifying
30
Licensed in
DE
In the registry since
2011
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

1400 N Washington St
Wilmington, DE 19801-1024
Phone: (302) 320-1300
Fax: (302) 320-1374
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence C1-0008683 (DE)

Record details

NPI number1518250828
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 19, 2011
Last updated in NPPESNovember 4, 2014
Mailing address1400 N Washington St, Wilmington, DE 19801-1024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Christiana Care Health Services Inc — 1481 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations7 on file with Medicare

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