Provider Profile
John C. Brennan, PsyD
Unclaimed ProfileAbout Dr. Brennan
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Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (248) 470-6225
- Email not available
Practice Locations
2955 BIDDLE AVE STE 200
Wyandotte, MI 48192
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What does Dr. Brennan specialize in?
Dr. Brennan is a psychologist in Wyandotte, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
Where is Dr. Brennan located?
Dr. Brennan is listed at 2955 Biddle Ave Ste 200, Wyandotte, MI 48192. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Brennan's phone number?
The number on file is (248) 470-6225. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Brennan's NPI number?
Dr. Brennan's National Provider Identifier is 1538595244. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Dr. Brennan been practicing?
Dr. Brennan has 13+ years experience. Registered with an NPI since 2013. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Dr. Brennan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Brennan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.