DR. KATARINA MARIE SEMKIU MD
NPI 1205253341
Pediatrics - Pediatric Hematology-Oncology in Park Ridge, IL

Active since March 26, 2014PECOS Enrolled
1675 DEMPSTER ST FL 2, PARK RIDGE, IL 60068(847) 318-9330(847) 723-9051 Get Directions Write a Review

NPPES record last updated: July 1, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 1, 2024, Apr 25, 2024, Apr 10, 2024 and 5 more (8 updates tracked since 2018).

About Dr. Katarina Marie Semkiu Md NPPES

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

DR. KATARINA MARIE SEMKIU MD (NPI 1205253341) is an individual pediatric hematology-oncology provider in Park Ridge, Illinois, licensed in Illinois (036142842) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1205253341
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameDR. KATARINA MARIE SEMKIUCredential: MD
Location Address1675 DEMPSTER ST FL 2Park Ridge, IL 60068-1110
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900 · Fax (847) 390-4757
Fax(847) 723-9051
Sole ProprietorNo
Enumeration DateMarch 26, 2014
Last NPPES UpdateJuly 1, 20248 updates tracked since enumeration
NPPES CertifiedJuly 1, 2024
✔ NPI 1205253341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
Licenses✔ Licensed in IL · 036142842✔ Licensed in MO · 2018016590
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedPediatricsTaxonomy 208000000X · License 2018016590 (MO)
1675 DEMPSTER ST FL 2, Park Ridge, IL 60068

Secondary Practice Locations 2

Location 11 Childrens Pl, Div Ped Hematology and OncSaint Louis, MO 63110-1002 · Phone (314) 454-6018 · Fax (844) 621-4392
Location 24440 W 95th StOak Lawn, IL 60453-2600 · Phone (708) 684-3898 · Fax (708) 684-1985

Other Identifiers 1

Medicaid200062392MO

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Katarina Marie Semkiu Md 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 Katarina Semkiu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cardiovascular Disease
1775 DEMPSTER ST
Park Ridge, IL 60068
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Advocate Health And Hospitals Corporation
  • 4,870 clinicians in this Medicare group
Multi-Specialty
1 CHILDRENS PL
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • 628 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Pediatrics (Sleep Medicine)
1675 DEMPSTER ST FL 2
PARK RIDGE, IL 60068
Nurse Practitioner (Family)
1675 DEMPSTER ST FL 2
PARK RIDGE, IL 60068
Pediatrics (Pediatric Hematology-Oncology)
1675 DEMPSTER ST FL 2
PARK RIDGE, IL 60068
Nurse Practitioner
1675 DEMPSTER ST FL 2
PARK RIDGE, IL 60068
Pediatrics (Pediatric Endocrinology)
1675 DEMPSTER ST FL 2
PARK RIDGE, IL 60068
Pediatrics (Pediatric Endocrinology)
1675 DEMPSTER ST FL 2
PARK RIDGE, IL 60068
Pediatrics (Pediatric Pulmonology)
1675 DEMPSTER ST FL 2
PARK RIDGE, IL 60068

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 Katarina Semkiu's NPI number?

The NPI number for Katarina Semkiu is 1205253341. It was assigned to this individual provider in the NPPES registry on March 26, 2014.

Where is Katarina Semkiu located?

Katarina Semkiu practices at 1675 Dempster St Fl 2, Park Ridge, IL 60068. The listed phone number is (847) 318-9330.

What is Katarina Semkiu's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Katarina Semkiu enrolled in Medicare?

Yes. Katarina Semkiu is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Katarina Semkiu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katarina Semkiu reassigns Medicare benefits to 2 organizations: Lutheran General Hospital (Park Ridge, IL) and Washington University (Saint Louis, MO). 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 Katarina Semkiu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katarina Semkiu accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Katarina Semkiu 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.

When was this NPI record last updated?

The NPPES record for Katarina Semkiu was last updated on July 1, 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.