Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Marianne Cathleen McCarthy, PHD, NP

Individual provider Adult Health Nurse Practitioner · NPI 1497896559

Dr. Marianne Cathleen McCarthy, PHD, NP is a Nurse Practitioner in Mesa, Arizona. Qualified in 1975, 51 years ago. Practices with Brain Solutions PLLC, a 3-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
51
Licensed in
AZ
In the registry since
2007
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

1930 S Alma School Rd Ste A206
Mesa, AZ 85210-3066
Phone: (480) 779-9050
Fax: (480) 717-4025
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 8958 E Conieson Rd, Scottsdale, AZ 85260-7090 — (602) 571-2336

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence AP3969 (AZ)
Adult Health Nurse Practitioner Taxonomy 363LA2200X · Licence AP6698 (AZ)

Record details

NPI number1497896559
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , NP
Sole proprietorYes
NPI enumeratedFebruary 10, 2007
Last updated in NPPESFebruary 17, 2026
Certification dateFebruary 17, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1975 (51 years in practice)
Group practice Brain Solutions Pllc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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