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

Dr. Michael Alan Leff, MD

Individual provider Specialist · NPI 1487749651

Dr. Michael Alan Leff, MD is a Specialist in Bellevue, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
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

1600 116th Ave NE Ste 204
Bellevue, WA 98004
Phone: (425) 454-5133
Fax: (425) 453-9817
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence MD00014429 (WA)

Record details

NPI number1487749651
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 4, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1600 116th Ave Ne, Suite 204, Bellevue, WA 98004

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