Michael Marshall
APRN, PMHNP | Nurse Practitioner - Psych/Mental Health
3200 E Guasti Rd, Ontario
California, 91761-8660
909-755-6610
Michael Marshall is a Ontario, California based nurse practitioner who is specialized as Psych/Mental Health NP. Active license number of Michael Marshall is 95028122 for Psych/Mental Health NP in California. His current practice location is 3200 E Guasti Rd, Ontario. Patients can reach him at 909-755-6610 or can fax him at 909-385-3335. Michael Marshall is APRN, PMHNP with specialization in Psych/Mental Health NP and his NPI number (Unique professional ID assigned by NPPES) is 1245563543.
Michael Marshall provides a full range of primary mental health care services, including biopsychosocial assessment and diagnosis of patients with mental illness and co-occurring disorders. Treatment modalities include both medication and psychotherapeutic management. Psych/Mental Health Nurse Practitioner (PMHNP) works in a variety of settings, including inpatient, emergency and community-based mental health services.
Complete Profile:
Michael Marshall speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Michael Marshall |
| Specialization: | Nurse Practitioner - Psych/Mental Health (PMHNP) |
| Gender: | Male |
| Credentials: | APRN, PMHNP |
| Practice Address: | 3200 E Guasti Rd, Ontario,
California, 91761-8660 |
| Phone: | 909-755-6610 |
| Fax: | 909-385-3335 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1245563543 |
| NPI Enumeration Date: | 17 Sep, 2009 |
| NPI Last Update On: | 24 Feb, 2026 |
Medical Licenses:
NPs can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Michael Marshall are as mentioned below.
| License Number | Specialization | State | Status | |
| 95028122 | Psych/Mental Health NP | California | Primary | |
| 679231 | Registered Nurse | California | Secondary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Michael Marshall
3200 E Guasti Rd,
Ontario, California |
| Zip: | 91761-8660 |
| Phone Number: | 909-755-6610 |
| Fax Number: | 909-385-3335 |
Patients can reach Michael Marshall at
3200 E Guasti Rd, Ontario, California or can
call to book an appointment on 909-755-6610.
Comments/ Reviews:
Patients can read all the reviews posted for Michael Marshall below. You may also share your own experience like the quality of treatment, behavior, and overall care provided by Michael Marshall. It will help others make informed decisions.
Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 March, 2026.