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MARY KATHERINE SCOTT SIEBENALER MD, FAAP
NPI 1568807618
Pediatrics in Chicago, IL

Active since May 02, 2013PECOS Enrolled
225 E CHICAGO AVE # 152, CHICAGO, IL 60611(312) 227-7408 Get Directions Write a Review

NPPES record last updated: July 20, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mary Katherine Scott Siebenaler Md, Faap NPPES

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

MARY KATHERINE SCOTT SIEBENALER MD, FAAP (NPI 1568807618) is an individual pediatrics provider in Chicago, Illinois, licensed in California (A119823) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1568807618
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMARY KATHERINE SCOTT SIEBENALERCredential: MD, FAAP
Location Address225 E CHICAGO AVE # 152Chicago, IL 60611
Mailing Address225 E Chicago Ave # 152Chicago, IL 60611-2991 · (312) 227-7408
Phone(312) 227-7408
Sole ProprietorNo
Enumeration DateMay 2, 2013
Last NPPES UpdateJuly 20, 2018
✔ NPI 1568807618 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A119823
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
225 E CHICAGO AVE # 152, Chicago, IL 60611
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Other Identifiers 1

Medicaid014994200FL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Katherine Scott Siebenaler Md, Faap 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

2

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

Lurie Children's Medical Group Inc
Same address
Pediatrics
225 E CHICAGO AVE
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group
NPI 1518064716 (312) 227-6412
Siu Physicians & Surgeons, Inc
179 mi
Endocrinology, Diabetes & Metabolism
201 E MADISON ST STE 328
Springfield, IL 62702
  • Reassigned Medicare billing, Illinois enrollment
  • 645 clinicians in this Medicare group
NPI 1558385989 (217) 545-8000

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 60611 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 7

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

KILEY JOHNSON
Pediatrics
225 E CHICAGO AVE # 152
CHICAGO, IL 60611
Cook County (312) 227-4000
EMMA ANSELIN
Pediatrics
225 E CHICAGO AVE # 152
CHICAGO, IL 60611
Cook County (312) 227-7410
PURVA UMESH PATEL MD
Pediatrics
225 E CHICAGO AVE # 152
CHICAGO, IL 60611
Cook County (216) 856-0016
DR. CATHERINE BERGER M.D., IBCLC
Pediatrics
225 E CHICAGO AVE # 152
CHICAGO, IL 60611
Cook County (312) 227-7410
BENJAMIN TRAISMAN DO
Hospitalist
225 E CHICAGO AVE # 152
CHICAGO, IL 60611
Cook County (312) 227-4000
PARAG K SHAH M.D.
Pediatrics
225 E CHICAGO AVE # 152
CHICAGO, IL 60611
Cook County (312) 227-4000
MR. RENWICK WILSON TAYLOR III MD
Pediatrics
225 E CHICAGO AVE # 152, ANN & ROBERT H LURIE CHILDREN'S HOSPITAL
CHICAGO, IL 60611
Cook County (312) 227-7408

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 Mary Siebenaler's NPI number?

The NPI number for Mary Siebenaler is 1568807618. It was assigned to this individual provider in the NPPES registry on May 2, 2013.

Where is Mary Siebenaler located?

Mary Siebenaler practices at 225 E Chicago Ave # 152, Chicago, IL 60611. The listed phone number is (312) 227-7408.

What is Mary Siebenaler's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Mary Siebenaler enrolled in Medicare?

Yes. Mary Siebenaler is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mary Siebenaler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Siebenaler reassigns Medicare benefits to 2 organizations: Lurie Children's Medical Group Inc (Chicago, IL) and Siu Physicians & Surgeons, Inc (Springfield, IL). 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 Mary Siebenaler'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 Mary Siebenaler was last updated on July 20, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.