SUSAN IGNATIUS MD
NPI 1649374935
Internal Medicine in Carol Stream, IL

Q: What is Susan Ignatius's NPI number?

The NPI number for Susan Ignatius is 1649374935. It was assigned to this individual provider in the NPPES registry on September 8, 2006.

Q: What is Susan Ignatius's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Susan Ignatius was last updated on October 23, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 September 08, 2006PECOS EnrolledAccepts Medicare Assignment

94.1/100

CMS Quality Rating

501 THORNHILL DR, CAROL STREAM, IL 60188(630) 668-3210(630) 668-3505 Get Directions Write a Review

NPPES record last updated: October 23, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Susan Ignatius Md NPPES

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

SUSAN IGNATIUS MD (NPI 1649374935) is an individual internal medicine provider in Carol Stream, Illinois, licensed in Illinois (036090377) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and is a graduate of Rush Medical College Of Rush University (1990).

NPPES Registry Identity

NPI1649374935

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameSUSAN IGNATIUSCredential: MD

Location Address501 THORNHILL DRCarol Stream, IL 60188-2793

Mailing Address501 Thornhill DrCarol Stream, IL 60188-2793 · (630) 668-3210 · Fax (630) 668-3505

Phone(630) 668-3210

Fax(630) 668-3505

Sole ProprietorNo

Medical School CMSRush Medical College Of Rush UniversityGraduated 1990

Enumeration DateSeptember 8, 2006

Last NPPES UpdateOctober 23, 2014

✔ NPI 1649374935 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IL · 036090377

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

501 THORNHILL DR, Carol Stream, IL 60188

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Other Identifiers 5

Medicaid036090377IL

Medicare ID-Type UnspecifiedL73298IL

Medicare UPINF44712

OtherF400137406IL · Medicare Individual Ptan

Other920540IL · Medicare Group Ptan

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

Susan Ignatius 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 ID7911092226

PECOS Enrollment IDI20100713000343

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 Reassignment

Medicare enrollment records show Susan Ignatius reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Central Dupage Physician Group

3.7 mi

Family Medicine

5777 DEPARTMENT
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
1,664 clinicians in this Medicare group

NPI 1033149844 (630) 933-3300

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.

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.

756 services404 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.

324 services215 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

310 services310 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

194 services114 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.

154 services19 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

93 services91 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

93 services91 patients

Insertion of needle into vein for collection of blood sample 36415

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.

78 services77 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.

73 services62 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

66 services66 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

66 services66 patients

Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350

An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.

52 services21 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.

37 services36 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

36 services27 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.

30 services30 patients

Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes 99421

This service involves a week-long digital assessment of your health status. It's conducted online by your healthcare provider, focusing on managing your existing health condition. The process takes 5-10 minutes of your time daily, ensuring optimal health management.

25 services23 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

19 services19 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

14 services14 patients

Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179

This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.

12 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 Mchenry

Acute Care Hospitals · Mchenry, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140116

Location4201 Medical Center DriveMchenry, IL 60050 · Mc Henry County

Emergency services Birthing friendly

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140130

Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County

Emergency services Birthing friendly

Northwestern Medicine Delnor Community Hospital

Acute Care Hospitals · Geneva, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140211

Location300 Randall RdGeneva, IL 60134 · Kane County

Emergency services Birthing friendly

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

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60188 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

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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.

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.

94.1/100

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

Scored through an Alternative Payment Model

Quality

82.59

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

31 suppliers72 claims148 services$5.68 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

19 suppliers29 claims29 services$0.99 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

2 suppliers13 claims13 services$48.60 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers13 claims13 services$62.11 avg. paid by Medicare

Power wheelchair, group 2 standard, captains chair, patient weight capacity up to and including 300 pounds K0823

DME-Wheelchairs · category DD009N

1 supplier11 claims11 services$102.74 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CAROLINE M SOBON PT

Physical Therapist

501 THORNHILL DR
CAROL STREAM, IL 60188

Dupage County (630) 653-1918

ANGELO MIELE MD

Internal Medicine

501 THORNHILL DR
CAROL STREAM, IL 60188

Dupage County (630) 668-3210

MARK RICHARD BEDNARD DO

Internal Medicine

501 THORNHILL DR
CAROL STREAM, IL 60188

Dupage County (630) 668-3210

VIRGINIA DUNSMORE M.A.

Audiologist

501 THORNHILL DR, #105
CAROL STREAM, IL 60188

Dupage County (630) 529-3277

WILLIAM BAYER MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

501 THORNHILL DR
CAROL STREAM, IL 60188

Dupage County (630) 668-3210

AUDIOLOGIC SERVICES, LTD.

Audiologist

501 THORNHILL DR
CAROL STREAM, IL 60188

Dupage County (630) 529-3277

O. KENT MERCADO D.P.M.

Podiatrist (Foot & Ankle Surgery)

501 THORNHILL DR, #100
CAROL STREAM, IL 60188

Dupage County (630) 690-3338

AILEEN WESTRICK

Internal Medicine (Endocrinology, Diabetes & Metabolism)

501 THORNHILL DR
CAROL STREAM, IL 60188

Dupage County (630) 688-3210

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 Susan Ignatius's NPI number?

The NPI number for Susan Ignatius is 1649374935. It was assigned to this individual provider in the NPPES registry on September 8, 2006.

Where is Susan Ignatius located?

Susan Ignatius practices at 501 Thornhill Dr, Carol Stream, IL 60188. The listed phone number is (630) 668-3210.

What is Susan Ignatius's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Susan Ignatius enrolled in Medicare?

Yes. Susan Ignatius 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 organization bills Medicare for Susan Ignatius's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Susan Ignatius reassigns Medicare benefits to Central Dupage Physician Group (Carol Stream, IL). The 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 Susan Ignatius's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Susan Ignatius affiliated with any hospitals?

According to CMS data, Susan Ignatius is affiliated with Northwestern Medicine Mchenry, Northwestern Lake Forest Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Susan Ignatius was last updated on October 23, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.