DR. THOMAS FITZGERALD O'CONNELL MD
NPI 1639564347
Internal Medicine - Cardiovascular Disease in Elk Grove Village, IL

Q: What is Thomas O'connell's NPI number?

The NPI number for Thomas O'connell is 1639564347. It was assigned to this individual provider in the NPPES registry on March 30, 2015.

Q: What is Thomas O'connell'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 Thomas O'connell was last updated on January 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 March 30, 2015PECOS EnrolledAccepts Medicare Assignment

800 BIESTERFIELD RD STE G01/101, ELK GROVE VILLAGE, IL 60007(847) 981-3680 Get Directions Write a Review

NPPES record last updated: January 26, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 26, 2023, Jul 8, 2021, Jul 5, 2018 (3 updates tracked since 2018).

On this page

About Dr. Thomas Fitzgerald O'connell Md NPPES

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

DR. THOMAS FITZGERALD O'CONNELL MD (NPI 1639564347) is an individual cardiovascular disease provider in Elk Grove Village, Illinois, licensed in Illinois (036158079) and active in the NPI registry since March 2015. 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 (2015).

NPPES Registry Identity

NPI1639564347

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. THOMAS FITZGERALD O'CONNELLCredential: MD

Location Address800 BIESTERFIELD RD STE G01/101Elk Grove Village, IL 60007-3361

Mailing Address800 Biesterfield Rd Ste G01/101Elk Grove Village, IL 60007-3361 · (847) 981-3680

Phone(847) 981-3680

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2015

Enumeration DateMarch 30, 2015

Last NPPES UpdateJanuary 26, 20233 updates tracked since enumeration

NPPES CertifiedJanuary 26, 2023

✔ NPI 1639564347 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 · 036158079

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 G01/101, 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 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. Thomas Fitzgerald O'connell Md 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 ID5496057713

PECOS Enrollment IDI20220817002103

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 Thomas O'connell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Alexian Brothers Specialty Group

0.1 mi

Specialist

701 BIESTERFIELD RD UNIT 4D
Elk Grove Village, IL 60007

Reassigned Medicare billing, Illinois enrollment
46 clinicians in this Medicare group

NPI 1720371669 (855) 692-6482

Presence Healthcare Services

0.1 mi

Multi-Specialty

701 BIESTERFIELD RD UNIT 4D
Elk Grove Village, IL 60007

Reassigned Medicare billing, Illinois enrollment
129 clinicians in this Medicare group

NPI 1932216819 (833) 291-0464

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 26

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.

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.

509 services268 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.

503 services494 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.

389 services180 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.

146 services72 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.

141 services134 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.

140 services139 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

126 services125 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.

85 services80 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.

75 services72 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.

71 services70 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.

64 services63 patients

Ct scan of blood vessels and grafts of heart with contrast 75574

A CT scan of the heart's blood vessels and grafts with contrast is a diagnostic test. A special dye (contrast) is injected into your veins, which helps create clear images of your heart's vessels and grafts. This helps doctors detect blockages or other abnormalities.

60 services60 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.

60 services60 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

59 services59 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

57 services55 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.

39 services39 patients

Ct scan of abdominal aorta and both leg arteries with contrast 75635

A CT scan of the abdominal aorta and both leg arteries with contrast is a medical imaging procedure. A special dye is injected to make your blood vessels visible on the scan. This helps to check for any blockages or abnormalities in these areas.

37 services35 patients

Ct scan of heart structure with contrast 75572

A CT scan of the heart with contrast is a non-invasive test. A dye is injected into your veins, which helps to highlight heart structures in the images. The CT scanner uses X-rays to create detailed pictures of your heart, aiding in diagnosis.

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.

24 services24 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.

21 services21 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.

18 services18 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

17 services17 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.

15 services15 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.

13 services13 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.

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 4

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

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.

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 Thomas O'connell's NPI number?

The NPI number for Thomas O'connell is 1639564347. It was assigned to this individual provider in the NPPES registry on March 30, 2015.

Where is Thomas O'connell located?

Thomas O'connell practices at 800 Biesterfield Rd Ste G01/101, Elk Grove Village, IL 60007. The listed phone number is (847) 981-3680.

What is Thomas O'connell's specialty?

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

Is Thomas O'connell enrolled in Medicare?

Yes. Thomas O'connell 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 Thomas O'connell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas O'connell reassigns Medicare benefits to 2 organizations: Alexian Brothers Specialty Group (Elk Grove Village, IL) and Presence Healthcare Services (Elk Grove Village, 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 Thomas O'connell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas O'connell accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Thomas O'connell 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 Thomas O'connell affiliated with any hospitals?

According to CMS data, Thomas O'connell is affiliated with Northwestern Medicine Central Dupage Hospital, Northwest Community Hospital 1, Alexian Brothers Medical Center 1 and St Alexius Medical Center.

When was this NPI record last updated?

The NPPES record for Thomas O'connell was last updated on January 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.