Individual
DR. MARK BARRETT WALKER
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Credential
M.D.
Taxonomy
Speciality
Code
Description
License number
State
207W00000X
Ophthalmology Physician
C52196
CA
207W00000X
Ophthalmology Physician
M-8998
ID
207W00000X
Ophthalmology Physician
MD-26380
OR
207W00000X
Ophthalmology Physician
Primary
MD00036470
WA
207W00000X
Ophthalmology Physician
MD2012-0678
NM
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
01373109
—
CO
Enumeration date
01/30/2013
Last updated
01/30/2013
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