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
- Clinical Psychologistprimary
Other clinical psychologists in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679513568 |
| Corrections | Report 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians