Individual
GRETTA MAE COLBY
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
F
Credential
MD
Contact information
Practice address
945 N 12TH ST, MILWAUKEE, WI 53233-1305
(414) 219-7427
Mailing address
945 N 12TH ST, MILWAUKEE, WI 53233-1305
(414) 219-7427
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
Primary
83738-20
WI
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
100310484
—
WI
Enumeration date
04/01/2022
Last updated
09/18/2025
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