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: August 09, 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 CMS Part B claims 46

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.
1,193 services872 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.
956 services501 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.
378 services227 patients
Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298
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.
300 services126 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.
282 services162 patients
Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 93296
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.
266 services227 patients

Hospital Affiliations CMS Care Compare 5

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

Palos Community Hospital

Acute Care Hospitals · Palos Heights, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140062
Location12251 South 80th AvenuePalos Heights, IL 60463 · Cook County
Emergency services Birthing friendly

Osf Little Company Of Mary Medical Center

Acute Care Hospitals · Evergreen Park, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140179
Location2800 W 95th StEvergreen Park, IL 60805 · Cook County
Emergency services Birthing friendly

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

St Catherine Hospital Inc

Acute Care Hospitals · East Chicago, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150008
Location4321 Fir StreetEast Chicago, IN 46312 · Lake County
Emergency services Birthing friendly

Community Hospital

Acute Care Hospitals · Munster, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150125
Location901 Macarthur BlvdMunster, IN 46321 · Lake 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
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
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.

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 (Clinical Cardiac Electrophysiology)
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Nurse Practitioner
3545 W 95TH ST
EVERGREEN PARK, IL 60805
Nurse Practitioner (Family)
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

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 Spear's NPI number?

The NPI number for William Spear is 1811085889. It was assigned to this individual provider in the NPPES registry on October 11, 2006.

Where is William Spear located?

William Spear practices at 3545 W 95th St, Evergreen Park, IL 60805. The listed phone number is (708) 346-5562.

What is William Spear's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is William Spear enrolled in Medicare?

Yes. William Spear 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 Spear accept?

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

According to CMS data, 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.

When was this NPI record last updated?

The NPPES record for William Spear was last updated on December 20, 2021. 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.