MICHAEL GRZESKOWIAK
NPI 1215469218
Internal Medicine - Cardiovascular Disease in Peoria, IL

Q: What is Michael Grzeskowiak's NPI number?

The NPI number for Michael Grzeskowiak is 1215469218. It was assigned to this individual provider in the NPPES registry on March 29, 2017.

Q: What is Michael Grzeskowiak's specialty?

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

Active since March 29, 2017PECOS EnrolledAccepts Medicare Assignment

5405 N KNOXVILLE AVE, PEORIA, IL 61614(309) 691-4410(309) 692-4730 Get Directions Write a Review

NPPES record last updated: December 3, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 3, 2024, Sep 6, 2024, Oct 5, 2023 and 2 more (5 updates tracked since 2017).

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About Michael Grzeskowiak NPPES

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

MICHAEL GRZESKOWIAK (NPI 1215469218) is an individual cardiovascular disease provider in Peoria, Illinois, licensed in Illinois (036171425) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Graham Hospital Association, and maintains a secondary practice location in San Antonio.

NPPES Registry Identity

NPI1215469218

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameMICHAEL GRZESKOWIAK

Location Address5405 N KNOXVILLE AVEPeoria, IL 61614-5016

Mailing Address5405 N Knoxville AvePeoria, IL 61614-5016

Phone(309) 691-4410

Fax(309) 692-4730

Sole ProprietorYes

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2017

Enumeration DateMarch 29, 2017

Last NPPES UpdateDecember 3, 20245 updates tracked since enumeration

NPPES CertifiedDecember 3, 2024

✔ NPI 1215469218 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in IL · 036171425

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.

5405 N KNOXVILLE AVE, Peoria, IL 61614

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Secondary Practice Location 1

Location 14502 Medical DrSan Antonio, TX 78229-4402 · Phone (224) 619-5482

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.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

Michael Grzeskowiak 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 ID2961895370

PECOS Enrollment IDI20240819002215

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 Michael Grzeskowiak reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Osf Multi-Specialty Group

4.8 mi

Internal Medicine

8600 N STATE ROUTE 91
Peoria, IL 61615

Reassigned Medicare billing, Illinois enrollment
2,944 clinicians in this Medicare group

NPI 1922445527 (309) 683-5050

Cogent Healthcare Of Texas, PA

672 mi

Internal Medicine

8200 WALNUT HILL LN
Dallas, TX 75231

Reassigned Medicare billing, Texas enrollment
1,208 clinicians in this Medicare group

NPI 1992722953 (214) 345-7585

Hospitalist Medicine Physicians Of Texas, PLLC

808 mi

Internal Medicine

18951 N MEMORIAL DR
Humble, TX 77338

Reassigned Medicare billing, Texas enrollment
2,009 clinicians in this Medicare group

NPI 1629307095 (281) 540-7700

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 19

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.

316 services292 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.

102 services101 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

95 services92 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.

61 services31 patients

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

45 services45 patients

Ultrasound study of arm and leg arteries 93922

An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.

40 services40 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.

25 services25 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.

24 services24 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

24 services24 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

23 services23 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.

21 services17 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.

20 services20 patients

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

18 services18 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.

17 services17 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

16 services16 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.

15 services15 patients

Heart muscle strain imaging 93356

11 services11 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

11 services11 patients

Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978

This procedure involves using sound waves to create images of your aorta, vena cava, groin vessels, or bypass grafts. It helps to detect abnormalities or blockages, ensuring your blood flows smoothly. It's painless and non-invasive.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Graham Hospital Association

Acute Care Hospitals · Canton, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140001

Location210 West Walnut StreetCanton, IL 61520 · Fulton County

Emergency services Birthing friendly

St Mary Medical Center

Acute Care Hospitals · Galesburg, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140064

Location3333 North SeminaryGalesburg, IL 61401 · Knox County

Emergency services Birthing friendly

Saint Francis Medical Center

Acute Care Hospitals · Peoria, IL

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140067

Location530 NE Glen Oak AvePeoria, IL 61637 · Peoria County

Emergency services Birthing friendly

St Joseph Medical Center

Acute Care Hospitals · Bloomington, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140162

Location2200 E WashingtonBloomington, IL 61701 · Mc Lean County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61614 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

$127.46 typical visit price

range $54.80 – $168.44

Typical copayment $31.86 (range $13.70 – $42.11)

Most-billed visit code 99204

Established Patient

$68.64 typical visit price

range $17.16 – $136.56

Typical copayment $17.16 (range $4.29 – $34.14)

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.

CHRISTINE C PERKS MD

Internal Medicine (Cardiovascular Disease)