Individual
MICHAEL MARSHALL
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
APRN, PMHNP
Contact information
Practice address
3200 E GUASTI RD, ONTARIO, CA 91761-8660
(909) 755-6610
(909) 385-3335
Mailing address
3200 E GUASTI RD, ONTARIO, CA 91761-8660
(909) 755-6610
(909) 385-3335
Taxonomy
Speciality
Code
Description
License number
State
163W00000X
Registered Nurse
679231
CA
363LP0808X
Psychiatric/Mental Health Nurse Practitioner
Primary
95028122
CA
Other
Enumeration date
09/17/2009
Last updated
02/24/2026
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