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DR. JAMES KNOWLES PH.D.
NPI 1679513568
Psychologist - Clinical in Lambertville, MI

Active since June 07, 2006PECOS EnrolledAccepts Medicare Assignment
6588 SECOR RD STE A, LAMBERTVILLE, MI 48144(734) 347-8002(248) 991-9360 Get Directions Write a Review

NPPES record last updated: January 17, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. James Knowles Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES KNOWLES PH.D. (NPI 1679513568) is an individual clinical provider in Lambertville, Michigan, licensed in Michigan (6301009946) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1996).

NPPES Registry Identity

NPI1679513568
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. JAMES KNOWLESCredential: PH.D.
Location Address6588 SECOR RD STE ALambertville, MI 48144-9499
Mailing Address20004 Parker StLivonia, MI 48152-1596 · (734) 347-8002 · Fax (248) 991-9360
Phone(734) 347-8002
Fax(248) 991-9360
Sole ProprietorYes
Medical School CMSOtherGraduated 1996
Enumeration DateJune 7, 2006
Last NPPES UpdateJanuary 17, 2022
NPPES CertifiedJanuary 17, 2022
✔ NPI 1679513568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in MI · 6301009946
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
6588 SECOR RD STE A, Lambertville, MI 48144
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Other Identifiers 2

Other04558Paramount
Other680E812230MI · Bcbs

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. James Knowles Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698748382
PECOS Enrollment IDI20040819000909
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show James Knowles reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

James Knowles Ph.D., P.C.
1.2 mi
Clinical
7581 SECOR RD
Lambertville, MI 48144
  • Reassigned Medicare billing, Michigan enrollment
  • Medicare enrollment name: James Knowles Phd PC
NPI 1164611059 (734) 347-8002

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48144 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$166.68 typical visit price
range $54.34 – $166.68
Typical copayment $41.67 (range $13.58 – $41.67)
Most-billed visit code 99205
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Knowles's NPI number?

The NPI number for James Knowles is 1679513568. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Where is James Knowles located?

James Knowles practices at 6588 Secor Rd Ste A, Lambertville, MI 48144. The listed phone number is (734) 347-8002.

What is James Knowles's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is James Knowles enrolled in Medicare?

Yes. James Knowles is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for James Knowles's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Knowles reassigns Medicare benefits to James Knowles Ph.D., P.C. (Lambertville, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Knowles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Knowles accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company and Paramount and 2 other insurers list James Knowles as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for James Knowles was last updated on January 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.