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Individual
RYAN MICHAEL JOHNSTON
Active
Individual
RYAN MICHAEL JOHNSTON
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Credential
D.O.
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
008808
AZ
207R00000X
Internal Medicine Physician
20A12236
CA
207R00000X
Internal Medicine Physician
5101018515
MI
208M00000X
Hospitalist Physician
008808
AZ
208M00000X
Hospitalist Physician
Primary
20A12236
CA
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
W14158
SITE PTAN
CA
Enumeration date
07/28/2009
Last updated
05/26/2022
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