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

Dr. James Knowles, PHD

Individual provider Clinical Psychologist · NPI 1679513568

Dr. James Knowles, PHD is a Clinical Psychologist in Lambertville, Michigan. Qualified in 1996, 30 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
30
Licensed in
MI
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

6588 Secor Rd Ste A
Lambertville, MI 48144-9499
Phone: (734) 347-8002
Fax: (248) 991-9360
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 6301009946 (MI)

Record details

NPI number1679513568
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 7, 2006
Last updated in NPPESJanuary 17, 2022
Certification dateJanuary 17, 2022
Mailing address20004 Parker St, Livonia, MI 48152-1596

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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