Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr John C Brennan PSYD, LP, PLC

Organization Clinical Psychologist · NPI 1245738418

Dr John C Brennan PSYD, LP, PLC is a Clinical Psychologist in Wyandotte, Michigan. Works from 2 locations. Licensed in Michigan.

Licensed in
MI
In the registry since
2018
What do these letters mean?
LP — Limited partnership
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2955 Biddle Ave Ste 200
Wyandotte, MI 48192-5231
Phone: (249) 698-8993
Fax: (734) 324-1566
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2011 Crooks Rd, Royal Oak, MI 48073-4049 — (248) 698-8993

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 6301014907 (MI)

Record details

NPI number1245738418
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationDr John C Brennan PSYD, LP, PLC
Authorized official John Brennan — Sole Propietor · (248) 470-6225
Other names Downriver Horizon Counseling; Horizon Counseling Services
NPI enumeratedJanuary 23, 2018
Last updated in NPPESJuly 21, 2022
Mailing address2955 Biddle Ave Ste 200, Wyandotte, MI 48192-5231

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