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

Mark William Hamblin, MD

Individual provider Psychiatry Physician · NPI 1245335363

Mark William Hamblin, MD is a Psychiatry Physician in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2006.

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

4020 E Madison St Ste 325
Seattle, WA 98112-3150
Phone: (206) 715-4862
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD00028139 (WA)

Record details

NPI number1245335363
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 13, 2006
Last updated in NPPESJune 12, 2020
Certification dateJune 12, 2020

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