DR. CATHERINE MALEWICZ MD
NPI 1427519818
Family Medicine in Chicago, IL

Q: What is Catherine Malewicz's NPI number?

The NPI number for Catherine Malewicz is 1427519818. It was assigned to this individual provider in the NPPES registry on March 27, 2019.

Q: What is Catherine Malewicz's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since March 27, 2019PECOS EnrolledAccepts Medicare Assignment

4445 W IRVING PARK RD STE 320, CHICAGO, IL 60641(312) 926-3627(312) 921-1002 Get Directions Write a Review

NPPES record last updated: February 4, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 11, 2022, Jul 21, 2022, Jun 17, 2019 (3 updates tracked since 2019).

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About Dr. Catherine Malewicz Md NPPES

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

DR. CATHERINE MALEWICZ MD (NPI 1427519818) is an individual family medicine provider in Chicago, Illinois, licensed in Illinois (036159932) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2019).

NPPES Registry Identity

NPI1427519818

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameDR. CATHERINE MALEWICZCredential: MD

Location Address4445 W IRVING PARK RD STE 320Chicago, IL 60641-2808

Mailing Address4445 W Irving Park RdChicago, IL 60641-2808 · (312) 926-3627

Phone(312) 926-3627

Fax(312) 921-1002

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2019

Enumeration DateMarch 27, 2019

Last NPPES UpdateFebruary 4, 20243 updates tracked since enumeration

NPPES CertifiedFebruary 4, 2024

✔ NPI 1427519818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in IL · 036159932

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

4445 W IRVING PARK RD STE 320, Chicago, IL 60641

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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. Catherine Malewicz Md 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 ID5698128106

PECOS Enrollment IDI20240131004775

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

Northwestern Medical Faculty Foundation

27 mi

Multi-Specialty

DEPT 5777
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
4,817 clinicians in this Medicare group

NPI 1346235314 (855) 694-2866

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 4

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

101 services46 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

73 services41 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

29 services29 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

25 services17 patients

Hospital Affiliations CMS Care Compare 2

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

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140130

Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County

Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60641 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

$94.06 typical visit price

range $60.08 – $183.39

Typical copayment $23.51 (range $15.02 – $45.84)

Most-billed visit code 99203

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

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.

Other Providers at the Same Location NPPES 2

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

DEYGER NAVARRETE MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

4445 W IRVING PARK RD STE 320
CHICAGO, IL 60641

Cook County (312) 695-7970

MS. MEGHAN E STEWART R.D.

Dietitian, Registered

4445 W IRVING PARK RD STE 320
CHICAGO, IL 60641

Cook County (312) 695-7970

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 Catherine Malewicz's NPI number?

The NPI number for Catherine Malewicz is 1427519818. It was assigned to this individual provider in the NPPES registry on March 27, 2019.

Where is Catherine Malewicz located?

Catherine Malewicz practices at 4445 W Irving Park Rd Ste 320, Chicago, IL 60641. The listed phone number is (312) 926-3627.

What is Catherine Malewicz's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Catherine Malewicz enrolled in Medicare?

Yes. Catherine Malewicz 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 Catherine Malewicz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Malewicz reassigns Medicare benefits to Northwestern Medical Faculty Foundation (Carol Stream, 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 Catherine Malewicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Catherine Malewicz affiliated with any hospitals?

According to CMS data, Catherine Malewicz is affiliated with Northwestern Lake Forest Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Catherine Malewicz was last updated on February 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.