DR. JAMES ALLEN KOWAL PH.D.
NPI 1255348777
Counselor - Professional in Naperville, IL

Q: What is James Kowal's NPI number?

The NPI number for James Kowal is 1255348777. It was assigned to this individual provider in the NPPES registry on August 1, 2006.

Q: What is James Kowal's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Q: When was this NPI record last updated?

The NPPES record for James Kowal was last updated on March 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.

Active since August 01, 2006PECOS EnrolledAccepts Medicare Assignment

1110 N WASHINGTON ST, NAPERVILLE, IL 60563(630) 637-4002(630) 637-4002 Get Directions Write a Review

NPPES record last updated: March 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. James Allen Kowal Ph.d. NPPES

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

DR. JAMES ALLEN KOWAL PH.D. (NPI 1255348777) is an individual professional provider in Naperville, Illinois, licensed in Illinois (180-003245) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1255348777

Entity TypeIndividualMale

Primary Taxonomy101YP2500X

Provider Legal NameDR. JAMES ALLEN KOWALCredential: PH.D.

Location Address1110 N WASHINGTON STNaperville, IL 60563-2767

Mailing Address1110 N Washington StNaperville, IL 60563-2767 · (630) 637-4002 · Fax (630) 637-4002

Phone(630) 637-4002

Fax(630) 637-4002

Sole ProprietorYes

Medical School CMSOtherGraduated 2004

Enumeration DateAugust 1, 2006

Last NPPES UpdateMarch 26, 2026

NPPES CertifiedMarch 26, 2026

✔ NPI 1255348777 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers

Taxonomy Code101YP2500X

License✔ Licensed in IL · 180-003245

1110 N WASHINGTON ST, Naperville, IL 60563

Open in Google Maps ↗

Other Identifiers 1

Other2223237IL · Bcbs

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.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 Allen Kowal 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 ID9032162383

PECOS Enrollment IDI20050225000729

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 Kowal reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Life Worth Living, P.C.

Same address

Mental Health

1110 N WASHINGTON ST
Naperville, IL 60563

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Life Worth Living PC
2 clinicians in this Medicare group

NPI 1235441643 (630) 637-4002

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 45 minutes 90834

Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.

599 services30 patients

Psychotherapy, 1 hour 90837

Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.

562 services25 patients

Psychiatric diagnostic evaluation 90791

A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.

16 services16 patients

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KARIN M JOHNSON, PSYD LLC

Psychologist (Clinical)

1110 N WASHINGTON ST
NAPERVILLE, IL 60563

Dupage County (630) 369-3690

LIFE WORTH LIVING, P.C.

Counselor (Mental Health)

1110 N WASHINGTON ST
NAPERVILLE, IL 60563

Dupage County (630) 637-4002

DR. REBECCA R TEWS PH.D.

Psychologist (Clinical)

1110 N WASHINGTON ST
NAPERVILLE, IL 60563

Dupage County (630) 408-3856

DR. KARIN M JOHNSON PSYD

Psychologist (Clinical)

1110 N WASHINGTON ST
NAPERVILLE, IL 60563

Dupage County (630) 369-3690

KIMBERLY DAVIS MSTOM, L.AC

Acupuncturist

1110 N WASHINGTON ST, RUAH CENTER
NAPERVILLE, IL 60563

Dupage County (630) 235-8824

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 Kowal's NPI number?

The NPI number for James Kowal is 1255348777. It was assigned to this individual provider in the NPPES registry on August 1, 2006.

Where is James Kowal located?

James Kowal practices at 1110 N Washington St, Naperville, IL 60563. The listed phone number is (630) 637-4002.

What is James Kowal's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is James Kowal enrolled in Medicare?

Yes. James Kowal 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 Kowal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Kowal reassigns Medicare benefits to Life Worth Living, P.C. (Naperville, IL). 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 Kowal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Kowal accept?

Health plans from Oscar Health list James Kowal 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 Kowal was last updated on March 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.