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Clinical Psychologist

James B. Knowles, CP

Sees patients in Brownstown, MI · Livonia, MI · Lambertville, MI · Michigan

Summary

James B. Knowles, CP (Clinical Psychologist) is enrolled with Medicare at 3 practice locations in Brownstown, MI, Livonia, MI and Lambertville, MI. NPI 1679513568. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James B. Knowles, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Clinical PsychologistPrimary specialty
YesAccepts Medicare assignment
30Years since medical school (graduated 1996)
MaleGender (as listed)

Quick answers

Where does James B. Knowles see patients?
Medicare's clinician data lists 3 practice locations, including Brownstown, MI, Livonia, MI and Lambertville, MI. Call before your visit to confirm the address.
What is James B. Knowles's specialty?
Medicare lists Clinical Psychologist as the primary specialty.
Does James B. Knowles accept Medicare assignment?
Yes. Medicare's clinician data says James B. Knowles accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for James B. Knowles?
(734) 347-8002, as listed in official Medicare / NPI Registry data.
What is James B. Knowles's NPI number?
1679513568. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where James B. Knowles is enrolled with Medicare (CMS data updated 2026-10-02).

  • 19366 Allen RdBrownstown, MI 48183
  • 20004 Parker StLivonia, MI 48152
  • 6588 Secor Rd, Suite ALambertville, MI 48144 (734) 347‑8002

Specialties

Find other clinicians: Clinical Psychologist, Michigan →

Other clinical psychologists in Michigan

Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.

All clinical psychologists in Michigan →

Clinician information

CredentialCP
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679513568
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians