Individual
DR. MARK WALTER LAYTON
Active
Individual
DR. MARK WALTER LAYTON
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
M.D.
Taxonomy
Speciality
Code
Description
License number
State
173000000X
Legal Medicine
MD00024518
WA
207R00000X
Internal Medicine Physician
MD00024518
WA
207RR0500X
Rheumatology Physician
Primary
MD00024518
WA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
1027689
—
WA
01
—
12371
L&I NUMBER
WA
Enumeration date
01/15/2007
Last updated
06/30/2026
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