DR. AMANDA LEIGH GUZIKOWSKI DO
NPI 1154950566
Hospitalist in Saint Louis, MO

Q: What is Amanda Guzikowski's NPI number?

The NPI number for Amanda Guzikowski is 1154950566. It was assigned to this individual provider in the NPPES registry on April 7, 2020.

Q: What is Amanda Guzikowski's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Amanda Guzikowski was last updated on April 25, 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.

Active since April 07, 2020PECOS Enrolled

1 CHILDRENS PL, DIV PED HOSPITALIST MED, SAINT LOUIS, MO 63110(314) 454-2076(314) 747-8953 Get Directions Write a Review

NPPES record last updated: April 25, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Nov 1, 2023 and 2 more (5 updates tracked since 2020).

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About Dr. Amanda Leigh Guzikowski Do NPPES

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

DR. AMANDA LEIGH GUZIKOWSKI DO (NPI 1154950566) is an individual hospitalist provider in Saint Louis, Missouri, licensed in Missouri (2023025058) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154950566

Entity TypeIndividualFemale

Primary Taxonomy208M00000X

Provider Legal NameDR. AMANDA LEIGH GUZIKOWSKICredential: DO

Location Address1 CHILDRENS PL, DIV PED HOSPITALIST MEDSaint Louis, MO 63110-1002

Mailing AddressPo Box 60352Saint Louis, MO 63160-0352 · (314) 454-2076 · Fax (314) 747-8953

Phone(314) 454-2076

Fax(314) 747-8953

Sole ProprietorNo

Enumeration DateApril 7, 2020

Last NPPES UpdateApril 25, 20245 updates tracked since enumeration

NPPES CertifiedApril 7, 2020

✔ NPI 1154950566 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in MO · 2023025058

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedPediatricsTaxonomy 208000000X · License 2023025058 (MO)

1 CHILDRENS PL, Saint Louis, MO 63110

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Other Identifiers 1

Medicaid200126161MO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Amanda Leigh Guzikowski Do 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 Reassignments

Medicare enrollment records show Amanda Guzikowski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Washington University Physicians In Illinois, Inc

0.2 mi

Multi-Specialty

4901 FOREST PARK AVE STE 341
Saint Louis, MO 63108

Reassigned Medicare billing, Illinois enrollment
530 clinicians in this Medicare group

NPI 1457203135 (314) 454-8181

Phoenix Children's Medical Group

1,252 mi

Multi-Specialty

5131 E SOUTHERN AVE
Mesa, AZ 85206

Reassigned Medicare billing, Arizona enrollment
Medicare enrollment name: Phoenix Children's Hospital
1,416 clinicians in this Medicare group

NPI 1487814240 (602) 933-0002

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 63110 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

$128.28 typical visit price

range $55.65 – $169.38

Typical copayment $32.07 (range $13.91 – $42.34)

Most-billed visit code 99204

Established Patient

$98.37 typical visit price

range $17.76 – $137.92

Typical copayment $24.59 (range $4.44 – $34.48)

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 20

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

ARIE BAKER MSW, LCSW

Social Worker (Clinical)

1 CHILDRENS PL, CAMPUS BOX 8116
SAINT LOUIS, MO 63110

St. Louis City (314) 747-6169

SUSAN CHEUNG WALSH AUD

Audiologist-Hearing Aid Fitter

1 CHILDRENS PL
SAINT LOUIS, MO 63110

St. Louis City (314) 454-4649

MS. JENNIFER MARIE JACOBI PNP

Nurse Practitioner (Pediatrics)

1 CHILDRENS PL, DEPT NEUROLOGICAL SURGERY, STE 4E
SAINT LOUIS, MO 63110

St. Louis City (314) 362-3577

MS. EMILY LINCOLN RN, NNP-BC

Nurse Practitioner (Neonatal, Critical Care)

1 CHILDRENS PL
SAINT LOUIS, MO 63110

St. Louis City (314) 454-6000

MS. MARISSA ROSE PEREZ-MAGNELLI PNP

Nurse Practitioner (Pediatrics)

1 CHILDRENS PL, DEPT NEUROLOGY, STE 2130
SAINT LOUIS, MO 63110

St. Louis City (314) 454-6120

MRS. BRIANNA LYNN RICHTER NNP-BC

Nurse Practitioner (Neonatal)

1 CHILDRENS PL
SAINT LOUIS, MO 63110

St. Louis City (314) 454-6000

DR. WILLIAM L RIVES MD

Hospitalist

1 CHILDRENS PL, DIV PED HOSPITALIST MED
SAINT LOUIS, MO 63110

St. Louis City (314) 454-2076

DR. PETER M KILBRIDGE MD

Pediatrics

1 CHILDRENS PL, SUITE C
SAINT LOUIS, MO 63110

St. Louis City (314) 454-2479

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 Amanda Guzikowski's NPI number?

The NPI number for Amanda Guzikowski is 1154950566. It was assigned to this individual provider in the NPPES registry on April 7, 2020.

Where is Amanda Guzikowski located?

Amanda Guzikowski practices at 1 Childrens Pl Div Ped Hospitalist Med, Saint Louis, MO 63110. The listed phone number is (314) 454-2076.

What is Amanda Guzikowski's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Amanda Guzikowski enrolled in Medicare?

Yes. Amanda Guzikowski is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Amanda Guzikowski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amanda Guzikowski reassigns Medicare benefits to 2 organizations: Washington University Physicians In Illinois, Inc (Saint Louis, MO) and Phoenix Children's Medical Group (Mesa, AZ). Each 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 Amanda Guzikowski'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 Amanda Guzikowski was last updated on April 25, 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.