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

William L Jaffee, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1629081682

William L Jaffee, MD is an Endocrinology, Diabetes & Metabolism Physician in Wilmington, Delaware. Licensed in Delaware. Registered with an NPI since 2006.

Licensed in
DE
In the registry since
2006
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

1941 Limestone Rd Ste 107
Wilmington, DE 19808
Phone: (302) 998-2166
Fax: (302) 998-1525
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence C10001746 (DE)

Record details

NPI number1629081682
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 14, 2006
Last updated in NPPESMarch 7, 2023
Mailing address2600 Glasgow Avenue, Suite 126, Newark, DE 19702

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