1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Otolaryngology
  6. NPI Profile

DR. CHRISTOPHER MULARCZYK MD
NPI 1104314921
Otolaryngology in Chicago, IL

Active since April 26, 2018PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
675 N SAINT CLAIR ST STE 15-200, CHICAGO, IL 60611(312) 695-8182 Get Directions Write a Review

NPPES record last updated: October 19, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 19, 2023, Nov 21, 2022, Apr 26, 2018 (3 updates tracked since 2018).

About Dr. Christopher Mularczyk Md NPPES

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

DR. CHRISTOPHER MULARCZYK MD (NPI 1104314921) is an individual otolaryngology provider in Chicago, Illinois, licensed in Illinois (036.163111) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with John H Stroger Jr Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2018).

NPPES Registry Identity

NPI1104314921
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameDR. CHRISTOPHER MULARCZYKCredential: MD
Location Address675 N SAINT CLAIR ST STE 15-200Chicago, IL 60611-5967
Mailing Address529 N Broadway AvePark Ridge, IL 60068-2907 · (847) 707-3235
Phone(312) 695-8182
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2018
Enumeration DateApril 26, 2018
Last NPPES UpdateOctober 19, 20233 updates tracked since enumeration
NPPES CertifiedOctober 19, 2023
✔ NPI 1104314921 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in IL · 036.163111
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
675 N SAINT CLAIR ST STE 15-200, Chicago, IL 60611
Open in Google Maps ↗

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. Christopher Mularczyk 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 ID6103175377
PECOS Enrollment IDI20230627001569
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 Christopher Mularczyk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cook County
3.5 mi
Family Medicine
605 S WOLCOTT AVE, SUITE 605
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 1,047 clinicians in this Medicare group
NPI 1912063439 (312) 864-4649

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

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 low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
15 services15 patients

Hospital Affiliations CMS Care Compare

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

John H Stroger Jr Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number140124
Location1901 W Harrison StChicago, IL 60612 · Cook County
Emergency services Birthing friendly

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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.59
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 18

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

MS. ABBY BOWMAN MS CCC-SLP
Speech-Language Pathologist
675 N SAINT CLAIR ST STE 15-200
CHICAGO, IL 60611
Cook County (312) 695-8182
KIRSTYN SUNDAY SLP
Speech-Language Pathologist
675 N SAINT CLAIR ST STE 15-200
CHICAGO, IL 60611
Cook County (312) 695-8182
ELIZABETH MARY BANASZAK
Speech-Language Pathologist
675 N SAINT CLAIR ST STE 15-200
CHICAGO, IL 60611
Cook County (312) 695-8182
SARAH SUZANNE KRAMER SLP
Speech-Language Pathologist
675 N SAINT CLAIR ST STE 15-200
CHICAGO, IL 60611
Cook County (312) 695-8182
MS. JONELYN LANGENSTEIN MM, MS, CCC-SLP
Speech-Language Pathologist
675 N SAINT CLAIR ST STE 15-200
CHICAGO, IL 60611
Cook County (312) 926-2000
JULIA DAVIS AUDIOLOGIST
Audiologist
675 N SAINT CLAIR ST STE 15-200
CHICAGO, IL 60611
Cook County (312) 695-8182
DR. JACQUELINE ROSE SOUTER AU.D.
Audiologist
675 N SAINT CLAIR ST STE 15-200
CHICAGO, IL 60611
Cook County (312) 695-8182
SRISHA PILLAY PA-C
Physician Assistant
675 N SAINT CLAIR ST STE 15-200
CHICAGO, IL 60611
Cook County (312) 695-8182

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 Christopher Mularczyk's NPI number?

The NPI number for Christopher Mularczyk is 1104314921. It was assigned to this individual provider in the NPPES registry on April 26, 2018.

Where is Christopher Mularczyk located?

Christopher Mularczyk practices at 675 N Saint Clair St Ste 15-200, Chicago, IL 60611. The listed phone number is (312) 695-8182.

What is Christopher Mularczyk's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Christopher Mularczyk enrolled in Medicare?

Yes. Christopher Mularczyk 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 Christopher Mularczyk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Mularczyk reassigns Medicare benefits to Cook County (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 Christopher Mularczyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Christopher Mularczyk affiliated with any hospitals?

According to CMS data, Christopher Mularczyk is affiliated with John H Stroger Jr Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Mularczyk was last updated on October 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.