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Individual
BARBARA M. RETZLAFF
Active
Individual
BARBARA M. RETZLAFF
Active
Sole proprietor
No
Provider details
NPI number
Gender
F
Credential
R.D.
Taxonomy
Speciality
Code
Description
License number
State
133V00000X
Registered Dietitian
Primary
DI00001770
WA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
0203185
L&I PIN
WA
01
—
50382U
REGENCE BLUE SHIELD PIN
WA
05
—
8440521
—
WA
Enumeration date
05/02/2006
Last updated
07/13/2026
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