KATIE LOUISE WALKER APRN CNM DNP
NPI 1922773829
Advanced Practice Midwife in Chicago, IL

Q: What is Katie Walker's NPI number?

The NPI number for Katie Walker is 1922773829. It was assigned to this individual provider in the NPPES registry on August 12, 2021.

Q: What is Katie Walker's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Q: When was this NPI record last updated?

The NPPES record for Katie Walker was last updated on March 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 12, 2021PECOS Enrolled

820 S WOOD ST # MC808, CHICAGO, IL 60612(312) 996-0533 Get Directions Write a Review

NPPES record last updated: March 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 21, 2025, Aug 27, 2021, Aug 12, 2021 (3 updates tracked since 2021).

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About Katie Louise Walker Aprn Cnm Dnp NPPES

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

KATIE LOUISE WALKER APRN CNM DNP (NPI 1922773829) is an individual advanced practice midwife in Chicago, Illinois, licensed in Illinois (209.023792) and active in the NPI registry since August 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922773829

Entity TypeIndividualFemale

Primary Taxonomy367A00000X

Provider Legal NameKATIE LOUISE WALKERCredential: APRN CNM DNP

Location Address820 S WOOD ST # MC808Chicago, IL 60612-4325

Mailing Address4140 W 31st StChicago, IL 60623-4803

Phone(312) 996-0533

Sole ProprietorYes

Enumeration DateAugust 12, 2021

Last NPPES UpdateMarch 21, 20253 updates tracked since enumeration

NPPES CertifiedMarch 21, 2025

✔ NPI 1922773829 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367A00000X

License✔ Licensed in IL · 209.023792

Definition

Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.

Also ListedRegistered NurseTaxonomy 163W00000X · License 041.464432 (IL)

820 S WOOD ST # MC808, Chicago, IL 60612

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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 (PECOS)

Katie Louise Walker Aprn Cnm Dnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

The Board Of Trustees Of The University Of Illinois

Same address

Obstetrics & Gynecology

820 S WOOD ST
Chicago, IL 60612

Reassigned Medicare billing, Illinois enrollment
Also billed through NPI 1669493466 (Illinois)
126 clinicians in this Medicare group

NPI 1154541936 (312) 996-7430

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 60612 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

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

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 9

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

OLIVIA AGATA WALKOWIAK

Student in an Organized Health Care Education/Training Program

820 S WOOD ST # MC808
CHICAGO, IL 60612

Cook County (312) 996-4472

ABIGAIL R LITWILLER M.D.

Obstetrics & Gynecology

820 S WOOD ST # MC808
CHICAGO, IL 60612

Cook County (312) 996-7430

ANDRAS LADANYI M.D., PH.D.

Obstetrics & Gynecology (Gynecologic Oncology)

820 S WOOD ST # MC808, UNIVERSITY OF ILLINOIS OBSTETRICS AND GYNECOLOGY
CHICAGO, IL 60612

Cook County (312) 996-7006

KARYN ELIZABETH MORGAN

Nurse Practitioner

820 S WOOD ST # MC808
CHICAGO, IL 60612

Cook County (312) 996-5994

LENSA TOKA MD

Student in an Organized Health Care Education/Training Program

820 S WOOD ST # MC808
CHICAGO, IL 60612

Cook County (312) 996-4224

JOSEPH M MAURICE M.D.

Obstetrics & Gynecology

820 S WOOD ST # MC808
CHICAGO, IL 60612

Cook County (312) 996-7006

JOCELYN RAY MD, PHD

Obstetrics & Gynecology (Gynecologic Oncology)

820 S WOOD ST # MC808
CHICAGO, IL 60612

Cook County (407) 580-7578

DAWNE JULIA COLLIER M.D.

Obstetrics & Gynecology

820 S WOOD ST # MC808
CHICAGO, IL 60612

Cook County (312) 996-7430

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 Katie Walker's NPI number?

The NPI number for Katie Walker is 1922773829. It was assigned to this individual provider in the NPPES registry on August 12, 2021.

Where is Katie Walker located?

Katie Walker practices at 820 S Wood St # Mc808, Chicago, IL 60612. The listed phone number is (312) 996-0533.

What is Katie Walker's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Katie Walker enrolled in Medicare?

Yes. Katie Walker is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katie Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katie Walker reassigns Medicare benefits to The Board Of Trustees Of The University Of Illinois (Chicago, 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 Katie Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katie Walker was last updated on March 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.