DR. JOSEPH W MULARCZYK M.D.
NPI 1215950720
Internal Medicine - Cardiovascular Disease in Evergreen Park, IL

Q: What is Joseph Mularczyk's NPI number?

The NPI number for Joseph Mularczyk is 1215950720. It was assigned to this individual provider in the NPPES registry on July 25, 2006.

Q: What is Joseph Mularczyk's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Joseph Mularczyk was last updated on September 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 July 25, 2006PECOS EnrolledAccepts Medicare Assignment

2850 W 95TH ST, SUITE 305, EVERGREEN PARK, IL 60805(708) 425-7272(708) 422-6273 Get Directions Write a Review

NPPES record last updated: September 19, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Joseph W Mularczyk M.d. NPPES

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

DR. JOSEPH W MULARCZYK M.D. (NPI 1215950720) is an individual cardiovascular disease provider in Evergreen Park, Illinois, licensed in Illinois (036062043) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Rush Oak Park Hospital, and maintains a secondary practice location in Olympia Fields.

NPPES Registry Identity

NPI1215950720

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. JOSEPH W MULARCZYKCredential: M.D.

Location Address2850 W 95TH ST, SUITE 305Evergreen Park, IL 60805-2735

Mailing Address2850 W 95th St, Suite 305Evergreen Park, IL 60805-2735 · (708) 425-7272 · Fax (708) 422-6273

Phone(708) 425-7272

Fax(708) 422-6273

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1978

Enumeration DateJuly 25, 2006

Last NPPES UpdateSeptember 19, 2022

NPPES CertifiedSeptember 19, 2022

✔ NPI 1215950720 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in IL · 036062043

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal MedicineTaxonomy 207R00000X · License 036062043 (IN)

Also ListedRadiology · Diagnostic UltrasoundTaxonomy 2085U0001X · License 036062043 (IL)

2850 W 95TH ST, Evergreen Park, IL 60805

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Secondary Practice Location 1

Location 13800 W 203rd St Ste 204Olympia Fields, IL 60461-1185 · Phone (708) 852-2641 · Fax (708) 503-3260

Other Identifiers 2

Medicaid036062043IL

Other060016277IL · Railroad Medicare B

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

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. Joseph W Mularczyk M.d. 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 ID42274417

PECOS Enrollment IDI20100130000264, I20240628000094

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 Joseph Mularczyk reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rush University Medical Center

10 mi

Internal Medicine

1411 S MICHIGAN AVE
Chicago, IL 60605

Reassigned Medicare billing, Illinois and Indiana enrollments
Medicare enrollment name: Rush University Medical Group
Also billed through NPI 1093819542 (Indiana)
2,169 clinicians in this Medicare group

NPI 1689165540 (312) 563-0654

Rush Medical Group

11 mi

Internal Medicine

1620 W HARRISON ST
Chicago, IL 60612

Reassigned Medicare billing, Illinois and Indiana enrollments
548 clinicians in this Medicare group

NPI 1467312850 (312) 942-5000

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 20

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

2,004 services1,365 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

544 services537 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

124 services123 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

113 services93 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

100 services94 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

99 services91 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

93 services87 patients

Heart muscle strain imaging 93356

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

76 services76 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

69 services56 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

56 services56 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

37 services36 patients

Heart muscle strain imaging 93356

33 services33 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

32 services32 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

32 services23 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

14 services12 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

13 services13 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

13 services13 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

13 services13 patients

Ultrasound of heart during rest, exercise and/or drug-induced stress with report 93350

This procedure involves using ultrasound imaging to view your heart at rest, during exercise, and/or under drug-induced stress. It helps assess how well your heart responds to exertion. A report of the findings is provided after the test.

12 services12 patients

Injection of x-ray contrast during ultrasound of heart 93352

This procedure involves injecting a special dye into your bloodstream during a heart ultrasound. This dye, visible on X-rays, helps create clearer images of your heart's structure and function. It's safe and assists in diagnosing heart conditions accurately.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Rush Oak Park Hospital

Acute Care Hospitals · Oak Park, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140063

Location520 S Maple AveOak Park, IL 60304 · Cook County

Emergency services

Rush University Medical Center

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140119

Location1653 West Congress ParkwayChicago, IL 60612 · Cook County

Emergency services Birthing friendly

Franciscan Health Michigan City

Acute Care Hospitals · Michigan City, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number150015

Location3500 Franciscan WayMichigan City, IN 46360 · La Porte County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60805 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.

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.

MS. DIANE L O'CONNOR RNFA

Registered Nurse (Registered Nurse First Assistant)

2850 W 95TH ST
EVERGREEN PARK, IL 60805

Cook County (708) 952-1030

STANLEY A POLIT MD, SC

Internal Medicine (Gastroenterology)

2850 W 95TH ST, SUITE 11
EVERGREEN PARK, IL 60805

Cook County (708) 424-9044

MAHAFZAH MEDICAL CENTER

Internal Medicine (Hematology & Oncology)

2850 W 95TH ST, 203
EVERGREEN PARK, IL 60805

Cook County (708) 422-1222

DOLORES DIXON-GREVIOUS MD

Internal Medicine

2850 W 95TH ST, SUITE 301
EVERGREEN PARK, IL 60805

Cook County (708) 389-2200

DR. BASEL I AL-ASWAD MD

Orthopaedic Surgery

2850 W 95TH ST, SUITE 406
EVERGREEN PARK, IL 60805

Cook County (708) 499-4844

RAJNEESH SALWAN MD SC

Internal Medicine

2850 W 95TH ST, 304
EVERGREEN PARK, IL 60805

Cook County (708) 636-2770

AHK SURGICAL S.C.

Surgery

2850 W 95TH ST
EVERGREEN PARK, IL 60805

Cook County (708) 636-4116

CYNTHIA D MORRIS APRN, CNP

Nurse Practitioner (Family)

2850 W 95TH ST
EVERGREEN PARK, IL 60805

Cook County (708) 229-5065

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 Joseph Mularczyk's NPI number?

The NPI number for Joseph Mularczyk is 1215950720. It was assigned to this individual provider in the NPPES registry on July 25, 2006.

Where is Joseph Mularczyk located?

Joseph Mularczyk practices at 2850 W 95th St Suite 305, Evergreen Park, IL 60805. The listed phone number is (708) 425-7272.

What is Joseph Mularczyk's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Joseph Mularczyk enrolled in Medicare?

Yes. Joseph 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 organizations bill Medicare for Joseph Mularczyk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Mularczyk reassigns Medicare benefits to 2 organizations: Rush University Medical Center (Chicago, IL) and Rush Medical Group (Chicago, 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 Joseph Mularczyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joseph Mularczyk accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Joseph Mularczyk 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.

Is Joseph Mularczyk affiliated with any hospitals?

According to CMS data, Joseph Mularczyk is affiliated with Rush Oak Park Hospital, Rush University Medical Center and Franciscan Health Michigan City.

When was this NPI record last updated?

The NPPES record for Joseph Mularczyk was last updated on September 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.