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

Brian David Gradwohl, PHD

Individual provider Clinical Neuropsychologist · NPI 1457974784

Brian David Gradwohl, PHD is a Clinical Psychologist in Muskegon, Michigan. Qualified in 2018, 8 years ago. Practices with Mercy Specialty Services, a 84-clinician group and accepts Medicare assignment.

Years since qualifying
8
In the registry since
2020
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1277 Mercy Dr
Muskegon, MI 49444-4605
Phone: (231) 672-6568
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X

Record details

NPI number1457974784
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedMay 21, 2020
Last updated in NPPESJanuary 13, 2022
Certification dateJanuary 13, 2022
Mailing address1277 Mercy Dr, Muskegon, MI 49444-4605

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Mercy Specialty Services — 84 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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