DR. WILLIAM H SPEAR M.D.
NPI 1811085889
Internal Medicine - Clinical Cardiac Electrophysiology in Evergreen Park, IL

Active since October 11, 2006PECOS EnrolledAccepts Medicare Assignment
3545 W 95TH ST, EVERGREEN PARK, IL 60805(708) 346-5562 Get Directions Write a Review

NPPES record last updated: December 20, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Dec 20, 2021, Nov 28, 2018, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Dr. William H Spear M.d. NPPES

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

DR. WILLIAM H SPEAR M.D. (NPI 1811085889) is an individual clinical cardiac electrophysiology provider in Evergreen Park, Illinois, licensed in Illinois (036110866) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Palos Community Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1811085889
Entity TypeIndividualMale
Primary Taxonomy207RC0001X
Provider Legal NameDR. WILLIAM H SPEARCredential: M.D.
Location Address3545 W 95TH STEvergreen Park, IL 60805
Mailing Address3545 W 95th StEvergreen Park, IL 60805-2135 · (708) 346-5562
Sole ProprietorNo
Medical School CMSUniversity Of Miami, Lm Miller School Of MedicineGraduated 2001
Enumeration DateOctober 11, 2006
Last NPPES UpdateDecember 20, 20214 updates tracked since enumeration
NPPES CertifiedDecember 20, 2021
NPI 1811085889 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RC0001X
Licenses Licensed in IL · 036110866 Licensed in IN · 01065128A
Definition

A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 036-110866 (IL)
3545 W 95TH ST, Evergreen Park, IL 60805

Secondary Practice Locations 3

Location 13545 W 95th StEvergreen Park, IL 60805 · Phone (708) 346-5562
Location 25151 W 95th St Fl Ths2Oak Lawn, IL 60453-6460 · Phone (708) 346-5562 · Fax (708) 346-5562
Location 311800 Southwest HwyPalos Heights, IL 60463-1029 · Phone (708) 346-5562

Other Identifiers 7

Other201027840IN · Medicare In
Other01065128AIN · License Number
Medicaid256640002IN
Medicaid36110866IL
OtherR02188IL · Medicare Ptan#
OtherP00713306/CK6882IL · Medicare Rail Road
Other036-110866IL · License Number

Accepted 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

Dr. William H Spear 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 ID4688748767
PECOS Enrollment IDI20080807000328, I20110214000328
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

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Blood test, clotting time

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.

This service was performed 68 times for 28 patients

Blood test, comprehensive group of blood chemicals

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

This service was performed 40 times for 33 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

This service was performed 34 times for 29 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

This service was performed 11 times for 11 patients

Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation

This is a procedure to treat atrial fibrillation, a condition causing irregular heartbeats. It involves a detailed heart evaluation using electrophysiology. A catheter is then used to destroy the problematic area causing the issue. Specifically, isolation of the pulmonary vein is done to regulate the heartbeat.

This service was performed 59 times for 56 patients

Destruction of tissue of upper heart chamber through tube to treat abnormal heart rhythm

This procedure involves using a tube, or catheter, to access your upper heart chamber. Special tools are then used to destroy a small area of heart tissue causing abnormal rhythm. This helps reset your heart's regular rhythm, improving heart function.

This service was performed 37 times for 30 patients

Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional

An Electrocardiogram (ECG) is a non-invasive test that records the electrical signals in your heart. For up to 30 days, a small device will continuously monitor your heart's activity. A healthcare professional will then review the data and provide a report on your heart's function.

This service was performed 33 times for 33 patients

Electrocardiogram (ecg) up to 30 days continuous with transmission of patient triggered events with review and report by health care professional

An Electrocardiogram (ECG) is a test that records your heart's electrical activity for up to 30 days. You trigger a transmission if you feel symptoms, which is then reviewed by a healthcare professional. The report helps diagnose heart conditions.

This service was performed 32 times for 32 patients

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

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.

This service was performed 16 times for 15 patients

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

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.

This service was performed 21 times for 21 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more

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.

This service was performed 65 times for 59 patients

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

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.

This service was performed 378 times for 227 patients

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

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.

This service was performed 956 times for 501 patients

Evaluation of cardiac rhythm monitor system

The evaluation of a cardiac rhythm monitor system involves checking your heart's electrical activity. It's a non-invasive procedure that uses a device to record your heart's rhythm and rate. This helps identify any irregularities, ensuring your heart is functioning properly.

This service was performed 29 times for 20 patients

Evaluation of cardiac rhythm monitor system, remote up to 30 days

This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.

This service was performed 300 times for 126 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system

An evaluation of a pacemaker system examines how well your heart device is working. Single, dual, multiple lead, or leadless refers to the wires that deliver electrical pulses from the pacemaker to your heart. This check ensures your heart is receiving the right amount of support from the device.

This service was performed 20 times for 17 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system

An evaluation of a pacemaker system examines how well your heart device is working. Single, dual, multiple lead, or leadless refers to the wires that deliver electrical pulses from the pacemaker to your heart. This check ensures your heart is receiving the right amount of support from the device.

This service was performed 16 times for 11 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days

This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.

This service was performed 266 times for 227 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

This service was performed 259 times for 203 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days

This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.

This service was performed 130 times for 100 patients

Hospital discharge day management, 30 minutes or less

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

This service was performed 26 times for 25 patients

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

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.

This service was performed 72 times for 71 patients

Insertion of catheters and destruction of tissue to treat abnormal heart rhythm

This procedure involves placing small tubes (catheters) into your heart via a blood vessel. These catheters emit energy that corrects irregular heartbeats by eliminating the problematic heart tissue. It's a common, minimally invasive method to treat abnormal heart rhythms.

This service was performed 43 times for 35 patients

Insertion of heart rhythm monitor under skin

The insertion of a heart rhythm monitor under the skin is a procedure to track your heart's activity. A small device is placed under your skin, recording your heart's rhythms continuously. This helps identify irregular heartbeats or conditions, aiding in your treatment.

This service was performed 28 times for 28 patients

Insertion of needle into vein for collection of blood sample

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

This service was performed 52 times for 43 patients

Insertion of pacemaker and upper and lower heart chamber electrode

A pacemaker insertion is a procedure where a small device, called a pacemaker, is implanted under your skin. This device uses electrical pulses to prompt the heart to beat at a normal rate. Electrodes are placed in the upper and lower chambers of your heart to help regulate your heartbeat.

This service was performed 19 times for 19 patients

Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes

This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.

This service was performed 202 times for 22 patients

Management using the results of remote vital sign monitoring per calendar month, first 20 minutes

This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.

This service was performed 218 times for 23 patients

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

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.

This service was performed 15 times for 15 patients

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

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.

This service was performed 62 times for 62 patients

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

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.

This service was performed 19 times for 19 patients

Programming of cardiac rhythm monitor system

Programming of a cardiac rhythm monitor system involves setting up a device to track your heart's activity. This helps identify irregular heartbeats or rhythms. The data collected assists your healthcare team in making accurate treatment decisions.

This service was performed 94 times for 60 patients

Programming of dual lead implantable defibrillator system

Programming of a dual lead implantable defibrillator system involves adjusting settings on a device implanted in your chest. This device monitors your heart rhythm and delivers electrical pulses to correct irregular heartbeats, helping maintain a healthy heart rhythm.

This service was performed 23 times for 16 patients

Programming of dual lead implantable defibrillator system

Programming of a dual lead implantable defibrillator system involves adjusting settings on a device implanted in your chest. This device monitors your heart rhythm and delivers electrical pulses to correct irregular heartbeats, helping maintain a healthy heart rhythm.

This service was performed 52 times for 28 patients

Programming of dual lead pacemaker system

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

This service was performed 92 times for 50 patients

Programming of dual lead pacemaker system

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

This service was performed 158 times for 87 patients

Programming of multiple lead implantable defibrillator system

Programming of a multiple lead implantable defibrillator system involves adjusting settings on your implanted device to help control irregular heart rhythms. The process is non-invasive and helps ensure optimal device performance for maintaining heart health.

This service was performed 38 times for 20 patients

Programming of multiple lead implantable defibrillator system

Programming of a multiple lead implantable defibrillator system involves adjusting settings on your implanted device to help control irregular heart rhythms. The process is non-invasive and helps ensure optimal device performance for maintaining heart health.

This service was performed 48 times for 27 patients

Programming of multiple lead pacemaker system

Programming of a multiple lead pacemaker system involves adjusting settings on your pacemaker device to optimize its function. This device uses electrical impulses to regulate your heart's rhythm. The procedure ensures it's working effectively for your specific needs.

This service was performed 41 times for 21 patients

Programming of single lead pacemaker system

Programming of a single lead pacemaker system involves adjusting the pacemaker's settings to suit your heart's unique needs. This is done using a special device that communicates with the pacemaker, ensuring it helps your heart beat at an optimal rate.

This service was performed 18 times for 11 patients

Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days

This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.

This service was performed 184 times for 23 patients

Repair of left upper heart chamber with implant with review by radiologist

This is a procedure to fix a problem in your left upper heart chamber. An implant is used to correct the issue. After the procedure, a radiologist, a doctor who specializes in medical imaging, reviews the images to ensure everything is in order.

This service was performed 101 times for 101 patients

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

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.

This service was performed 256 times for 184 patients

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

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.

This service was performed 1,193 times for 872 patients

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

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.

This service was performed 121 times for 118 patients

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

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.

This service was performed 282 times for 162 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $34.71 for a new patient copayment and $26.42 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 60805 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $138.86
  • Minimum New Patient Price $60.08
  • Maximum New Patient Price $183.39
  • Average New Patient Copayment $34.71
  • Minimum New Patient Copayment $15.02
  • Maximum New Patient Copayment $45.84

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $105.7
  • Minimum Established Patient Price $18.97
  • Maximum Established Patient Price $148.12
  • Average Established Patient Copayment $26.42
  • Minimum Established Patient Copayment $4.74
  • Maximum Established Patient Copayment $37.03

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. William Spear is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
PALOS COMMUNITY HOSPITAL12251 SOUTH 80TH AVENUE
PALOS HEIGHTS, IL 60463
(708) 923-4000Acute Care Hospitals
OSF LITTLE COMPANY OF MARY MEDICAL CENTER2800 W 95TH ST
EVERGREEN PARK, IL 60805
(708) 422-6200Acute Care Hospitals
ADVOCATE CHRIST HOSPITAL & MEDICAL CENTER4440 W 95TH STREET
OAK LAWN, IL 60453
(708) 684-8000Acute Care Hospitals
ST CATHERINE HOSPITAL INC4321 FIR STREET
EAST CHICAGO, IN 46312
(219) 392-7004Acute Care Hospitals
COMMUNITY HOSPITAL901 MACARTHUR BLVD
MUNSTER, IN 46321
(219) 836-1600Acute Care Hospitals

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pharmacist
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Pharmacist
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Internal Medicine (Cardiovascular Disease)
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Nurse Practitioner (Family)
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Nurse Practitioner
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Nurse Practitioner (Acute Care)
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Internal Medicine (Clinical Cardiac Electrophysiology)
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Internal Medicine (Clinical Cardiac Electrophysiology)
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Internal Medicine (Clinical Cardiac Electrophysiology)
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Internal Medicine (Cardiovascular Disease)
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Internal Medicine (Interventional Cardiology)
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Internal Medicine (Cardiovascular Disease)
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Internal Medicine (Cardiovascular Disease)
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Internal Medicine (Cardiovascular Disease)
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Internal Medicine (Cardiovascular Disease)
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Nurse Practitioner (Family)
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Nurse Practitioner
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Nurse Practitioner
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Registered Nurse
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Nurse Practitioner (Family)
3545 W 95TH ST
EVERGREEN PARK, IL 60805

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811085889, enumerated as an "individual" on October 11, 2006.

The provider is located at 3545 W 95TH ST EVERGREEN PARK, IL 60805 and the phone number is (708) 346-5562.

Internal Medicine with taxonomy code 207RC0001X and a focus in Clinical Cardiac Electrophysiology.

The provider might be accepting Accepts: Ambetter from Home State Health, Ambetter Health,. Please consult your insurance carrier or call the provider to verify.

William Spear is affiliated with: PALOS COMMUNITY HOSPITAL, OSF LITTLE COMPANY OF MARY MEDICAL CENTER, ADVOCATE CHRIST HOSPITAL & MEDICAL CENTER, ST CATHERINE HOSPITAL INC and COMMUNITY HOSPITAL.