Individual
WALTER REED CALLEN
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Contact information
Practice address
9410 MACARTHUR BLVD APT 301, OAKLAND, CA 94605-4738
(510) 372-7464
Mailing address
9410 MACARTHUR BLVD APT 301, OAKLAND, CA 94605-4738
(510) 372-7464
Taxonomy
Speciality
Code
Description
License number
State
164X00000X
Licensed Vocational Nurse
735367
CA
175T00000X
Peer Specialist
Primary
164X000000X
—
Other
Enumeration date
03/17/2026
Last updated
03/17/2026
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Contact us