WILLIAM J GRIES M.D.
NPI 1225082571
Internal Medicine - Cardiovascular Disease in Elk Grove Village, IL

Q: What is William Gries's NPI number?

The NPI number for William Gries is 1225082571. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Q: What is William Gries'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 William Gries was last updated on December 20, 2023. 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.

Active since May 20, 2006PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

800 BIESTERFIELD RD STE G01, ELK GROVE VILLAGE, IL 60007(847) 981-3680(847) 956-5122 Get Directions Write a Review

NPPES record last updated: December 20, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About William J Gries M.d. NPPES

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

WILLIAM J GRIES M.D. (NPI 1225082571) is an individual cardiovascular disease provider in Elk Grove Village, Illinois, licensed in Illinois (036078702) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1987).

NPPES Registry Identity

NPI1225082571

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameWILLIAM J GRIESCredential: M.D.

Location Address800 BIESTERFIELD RD STE G01Elk Grove Village, IL 60007-3372

Mailing Address800 Biesterfield Rd Ste G01Elk Grove Village, IL 60007-3372 · (847) 981-3680 · Fax (847) 956-5122

Phone(847) 981-3680

Fax(847) 956-5122

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1987

Enumeration DateMay 20, 2006

Last NPPES UpdateDecember 20, 2023

NPPES CertifiedDecember 20, 2023

✔ NPI 1225082571 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 · 036078702

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.

800 BIESTERFIELD RD STE G01, Elk Grove Village, IL 60007

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Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William J Gries 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 ID5799767752

PECOS Enrollment IDI20050411000383

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.

Areas of Expertise CMS Part B claims 36

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.

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.

986 services934 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.

749 services564 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.

259 services246 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.

233 services113 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.

209 services209 patients

Complete ultrasound study of arm and leg arteries 93923

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

184 services164 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.

183 services170 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.

178 services99 patients

Anticoagulant management of patient taking warfarin 93793

Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.

165 services14 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.

146 services134 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

145 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.

136 services136 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

135 services130 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.

133 services123 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.

130 services119 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

123 services120 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

100 services98 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.

86 services83 patients

Ultrasound of one leg arteries or artery grafts 93926

An ultrasound of leg arteries or artery grafts is a non-invasive test using sound waves to create images of your blood vessels. This helps doctors assess blood flow, identify blockages, and monitor the health of grafts.

77 services65 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.

72 services66 patients

Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99304

An initial nursing facility visit is a daily check-up to monitor your health status. This service, lasting typically 25 minutes, involves a nurse assessing your overall wellbeing, discussing concerns, and updating your care plan as needed.

66 services59 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.

61 services56 patients

Ultrasound of heart with probe in esophagus during surgery on heart or great blood vessels with report 93355

This procedure, known as a transesophageal echocardiogram, involves placing a probe in your esophagus to capture detailed images of your heart during surgery. It helps surgeons monitor heart function and guide treatment. A report will follow.

53 services51 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.

39 services39 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.

37 services35 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.

31 services31 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.

30 services28 patients

Complete ultrasound of abdomen and pelvis artery and vein blood flow 93975

This procedure uses sound waves to create images of your abdomen and pelvis, specifically focusing on the arteries and veins. It helps in assessing the blood flow and detecting any abnormalities, ensuring your overall well-being.

28 services27 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.

27 services27 patients

3d radiographic procedure with computerized image postprocessing 76377

A 3D radiographic procedure with computerized image postprocessing is a high-tech imaging test. It uses X-rays to create detailed 3D images of the body. The computerized postprocessing further enhances these images for more precise diagnosis and treatment planning.

24 services23 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.

21 services17 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

21 services21 patients

3d radiographic procedure 76376

A 3D radiographic procedure is a non-invasive imaging test that helps doctors visualize the internal structures of your body in three dimensions. This advanced technology provides detailed images, aiding in accurate diagnosis and treatment planning. It involves exposure to minimal radiation.

18 services18 patients

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.

18 services18 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.

12 services12 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140242

Location25 North Winfield RoadWinfield, IL 60190 · Du Page County

Emergency services Birthing friendly

Northwest Community Hospital 1

Acute Care Hospitals · Arlington Heights, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140252

Location800 W Central RoadArlington Heights, IL 60005 · Cook County

Emergency services Birthing friendly

Alexian Brothers Medical Center 1

Acute Care Hospitals · Elk Grove Village, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140258

Location800 Biesterfield RdElk Grove Village, IL 60007 · Cook County

Emergency services Birthing friendly

St Alexius Medical Center

Acute Care Hospitals · Hoffman Estates, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140290

Location1555 N Barrington RdHoffman Estates, IL 60169 · Cook County

Emergency services Birthing friendly

Advocate Good Shepherd Hospital

Acute Care Hospitals · Barrington, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140291

Location450 West Highway 22Barrington, IL 60010 · Lake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60007 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.

75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

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.

ANSHUL AGGARWAL MD

Internal Medicine (Cardiovascular Disease)

800 BIESTERFIELD RD STE G01
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

KIFAH HUSSAIN MD

Internal Medicine (Cardiovascular Disease)

800 BIESTERFIELD RD STE G01
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

NEPHTALI KOGAN M.D.

Internal Medicine (Interventional Cardiology)

800 BIESTERFIELD RD STE G01
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

JOHN G FURIASSE M.D.

Internal Medicine (Cardiovascular Disease)

800 BIESTERFIELD RD STE G01, WIMMER BUILDING
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

DR. MARK H WERNICK M.D.

Internal Medicine (Clinical Cardiac Electrophysiology)

800 BIESTERFIELD RD STE G01, WIMMER BUILDING
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

FIRAS BARROW M.D.

Internal Medicine (Interventional Cardiology)

800 BIESTERFIELD RD STE G01
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

BARBARA A PARNESS R.N., A.P.N.

Clinical Nurse Specialist

800 BIESTERFIELD RD STE G01, WIMMER BUILDING
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

JACK R CHAMBERLIN M.D.

Internal Medicine (Interventional Cardiology)

800 BIESTERFIELD RD STE G01, WIMMER BUILDING
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

DR. ASHISH HARYANI MD

Internal Medicine (Advanced Heart Failure and Transplant Cardiology)

800 BIESTERFIELD RD STE G01
ELK GROVE VILLAGE, IL 60007

Cook County (479) 813-6808

MS. KATE W. FONTANA

Physician Assistant (Medical)

800 BIESTERFIELD RD STE G01, WIMMER BUILDING
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

FORTESA MYHA PA

Physician Assistant

800 BIESTERFIELD RD STE G01
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

ANDREI M. POP M.D.

Internal Medicine (Interventional Cardiology)

800 BIESTERFIELD RD STE G01
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

ZBIGNIEW ADAM PERKOWSKI M.D.

Internal Medicine (Interventional Cardiology)

800 BIESTERFIELD RD STE G01, WIMMER BUILDING
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

PAUL J GRUNENWALD M.D.

Internal Medicine (Interventional Cardiology)

800 BIESTERFIELD RD STE G01
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

SARAH WESTERMAN APN

Nurse Practitioner (Acute Care)

800 BIESTERFIELD RD STE G01
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

MS. TERESA O'DONNELL APN

Nurse Practitioner (Family)

800 BIESTERFIELD RD STE G01
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

DR. MOHAMMED NASIR KHAN M.D.

Internal Medicine (Clinical Cardiac Electrophysiology)

800 BIESTERFIELD RD STE G01, WIMMER BUILDING
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

SCOTT E TOMASIK M.D.

Internal Medicine (Cardiovascular Disease)

800 BIESTERFIELD RD STE G01
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

JAICEY JOHNSON FNP

Nurse Practitioner (Family)

800 BIESTERFIELD RD STE G01
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

DR. TARAL K PATEL M.D.

Internal Medicine (Clinical Cardiac Electrophysiology)

800 BIESTERFIELD RD STE G01
ELK GROVE VILLAGE, IL 60007

Cook County (847) 981-3680

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 William Gries's NPI number?

The NPI number for William Gries is 1225082571. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Where is William Gries located?

William Gries practices at 800 Biesterfield Rd Ste G01, Elk Grove Village, IL 60007. The listed phone number is (847) 981-3680.

What is William Gries's specialty?

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

Is William Gries enrolled in Medicare?

Yes. William Gries 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.

What insurance does William Gries accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list William Gries 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 William Gries affiliated with any hospitals?

According to CMS data, William Gries is affiliated with Northwestern Medicine Central Dupage Hospital, Northwest Community Hospital 1, Alexian Brothers Medical Center 1, St Alexius Medical Center and Advocate Good Shepherd Hospital.

When was this NPI record last updated?

The NPPES record for William Gries was last updated on December 20, 2023. 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.