Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. KATARZYNA GRAZYNA WILCZEWSKA PSY.D.
NPI 1679300867
Psychologist in Tyler, TX

Active since September 19, 2024PECOS EnrolledAccepts Medicare Assignment
520 DOUGLAS BLVD, TYLER, TX 75702(903) 606-1721(903) 592-5618 Get Directions Write a Review

NPPES record last updated: June 18, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 2, 2026, Apr 9, 2025, Mar 10, 2025 and 2 more (5 updates tracked since 2024).

About Dr. Katarzyna Grazyna Wilczewska Psy.d. NPPES

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

DR. KATARZYNA GRAZYNA WILCZEWSKA PSY.D. (NPI 1679300867) is an individual psychologist in Tyler, Texas, licensed in Texas (40462) and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS, is affiliated with Christus Mother Frances Hospital, and maintains a secondary practice location in Tyler.

NPPES Registry Identity

NPI1679300867
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. KATARZYNA GRAZYNA WILCZEWSKACredential: PSY.D.
Location Address520 DOUGLAS BLVDTyler, TX 75702-8307
Mailing Address800 E Dawson StTyler, TX 75701-2036 · (267) 235-0323
Fax(903) 592-5618
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateSeptember 19, 2024
Last NPPES UpdateJune 18, 20265 updates tracked since enumeration
NPPES CertifiedJune 18, 2026
NPI 1679300867 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in TX · 40462
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedPsychologist · CounselingTaxonomy 103TC1900X
520 DOUGLAS BLVD, Tyler, TX 75702

Other Names 1

Other Name (5)Sister Cordia Wilczewska

Secondary Practice Location 1

Location 1417 S Saunders AveTyler, TX 75702-8344 · Phone (903) 606-7999

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Katarzyna Grazyna Wilczewska Psy.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 ID9133646755
PECOS Enrollment IDI20250507002243
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Christus Mother Frances Hospital

Acute Care Hospitals · Tyler, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450102
Location800 East DawsonTyler, TX 75701 · Smith County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

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

Internal Medicine
520 DOUGLAS BLVD
TYLER, TX 75702
Internal Medicine
520 DOUGLAS BLVD
TYLER, TX 75702
Obstetrics & Gynecology
520 DOUGLAS BLVD
TYLER, TX 75702
Psychiatry & Neurology (Psychiatry)
520 DOUGLAS BLVD
TYLER, TX 75702
Family Medicine
520 DOUGLAS BLVD
TYLER, TX 75702
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
520 DOUGLAS BLVD
TYLER, TX 75702
Pharmacist
520 DOUGLAS BLVD
TYLER, TX 75702
Social Worker (Clinical)
520 DOUGLAS BLVD
TYLER, TX 75702

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 Katarzyna Wilczewska's NPI number?

The NPI number for Katarzyna Wilczewska is 1679300867. It was assigned to this individual provider in the NPPES registry on September 19, 2024. The provider is also known as Sister Cordia Wilczewska.

Where is Katarzyna Wilczewska located?

Katarzyna Wilczewska practices at 520 Douglas Blvd, Tyler, TX 75702. The listed phone number is (903) 606-1721.

What is Katarzyna Wilczewska's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Katarzyna Wilczewska enrolled in Medicare?

Yes. Katarzyna Wilczewska 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.

What insurance does Katarzyna Wilczewska accept?

Health plans from Blue Cross and Blue Shield of Texas and CHRISTUS Health Plan list Katarzyna Wilczewska 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.

Is Katarzyna Wilczewska affiliated with any hospitals?

According to CMS data, Katarzyna Wilczewska is affiliated with Christus Mother Frances Hospital.

When was this NPI record last updated?

The NPPES record for Katarzyna Wilczewska was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 days 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.