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

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1750464848

William Henry Ludlam, PHD, MD is an Endocrinology, Diabetes & Metabolism Physician in Seattle, Washington. Licensed in Oregon. Registered with an NPI since 2006.

Licensed in
OR
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

550 17th Ave Ste 500
Seattle, WA 98122-5789
Phone: (206) 320-2800
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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 MD21441 (OR)

Record details

NPI number1750464848
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , MD
Sole proprietorNo
NPI enumeratedOctober 23, 2006
Last updated in NPPESOctober 10, 2007
Mailing addressPo Box 84026, Seattle, WA 98124-8426

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