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DR. MARK DAVID LIVAK MD
NPI 1548557481
Emergency Medicine in Naperville, IL

Active since June 29, 2011PECOS EnrolledAccepts Medicare Assignment
92.3/100
CMS Quality Rating
801 S WASHINGTON ST, NAPERVILLE, IL 60540(630) 527-3000 Get Directions Write a Review

NPPES record last updated: November 25, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Mark David Livak Md NPPES

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

DR. MARK DAVID LIVAK MD (NPI 1548557481) is an individual emergency medicine provider in Naperville, Illinois, licensed in Illinois (036137811) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Edward Hospital, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1548557481
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MARK DAVID LIVAKCredential: MD
Location Address801 S WASHINGTON STNaperville, IL 60540-7430
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700 · (847) 982-3362
Phone(630) 527-3000
Sole ProprietorYes
Medical School CMSRush Medical College Of Rush UniversityGraduated 2011
Enumeration DateJune 29, 2011
Last NPPES UpdateNovember 25, 2025
NPPES CertifiedNovember 25, 2025
✔ NPI 1548557481 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in IL · 036137811✔ Licensed in IL · 125060588
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
801 S WASHINGTON ST, Naperville, IL 60540
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Secondary Practice Location 1

Location 11900 W Polk St, Cook County Hospital Department of Emergency MedicineChicago, IL 60612-3723 · Phone (312) 864-0060 · Fax (312) 864-9656

Other Identifiers 1

Other125060588IL · Physician Temporary License

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. Mark David Livak 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 ID8729309703
PECOS Enrollment IDI20150602002170
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

5

Medicare enrollment records show Mark Livak reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Edward Hospital
Same address
General Acute Care Hospital
801 S WASHINGTON ST
Naperville, IL 60540
  • Reassigned Medicare billing, Illinois enrollment
  • 268 clinicians in this Medicare group
NPI 1013969013 (630) 655-0450
Illinois Emergency Medicine Specialists, LLC
6.5 mi
Emergency Medical Services
500 REMINGTON BLVD
Bolingbrook, IL 60440
  • Reassigned Medicare billing, Illinois enrollment
  • 187 clinicians in this Medicare group
NPI 1003150962 (630) 312-5000
Aurora Emergency Physicians, LLC
6.6 mi
Emergency Medicine
2000 OGDEN AVE
Aurora, IL 60504
  • Reassigned Medicare billing, Illinois enrollment
  • 116 clinicians in this Medicare group
NPI 1508389628 (630) 978-6200
Cep America - Illinois, LLP
9.2 mi
Emergency Medicine
1325 N HIGHLAND AVE
Aurora, IL 60506
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Cepamerica Illinois LLP
  • 982 clinicians in this Medicare group
NPI 1164975371 (630) 859-2222
Endeavor Health Medical Group
32 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235

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 5

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
369 services359 patients
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.
300 services278 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
126 services124 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
34 services34 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
24 services24 patients

Hospital Affiliations CMS Care Compare

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

Edward Hospital

Acute Care Hospitals · Naperville, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140231
Location801 South WashingtonNaperville, IL 60540 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
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.

92.3/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality75.45
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Adult Major Depressive Disorder (MDD): Suicide Risk Assessment
100%37 patients
Appropriate Testing for Pharyngitis
100%28 patients5/55-star benchmark: 100%
Appropriate Treatment for Upper Respiratory Infection (URI)
93%45 patients4/55-star benchmark: 100%
e-Prescribing
100%63 patients5/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
100%231 patients5/55-star benchmark: 100%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
69%1,663 patients5/55-star benchmark: 61%
Provide Patients Electronic Access to Their Health Information
100%130 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

DR. HAFEZ M. SAMI M.D.
Pain Medicine (Interventional Pain Medicine)
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 348-3300
MICHAEL J. HARTMANN MD
Emergency Medicine
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 527-3000
SEEMA ISHAQ JEELANI D.O.
Emergency Medicine
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 527-3000
CORTNEY COLE MD
Family Medicine (Hospice and Palliative Medicine)
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 527-3000
EDWARD HOSPITAL
General Acute Care Hospital
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 655-0450
DR. HODA A. EL- ASMAR MD
Internal Medicine (Infectious Disease)
801 S WASHINGTON ST, EDWARD HOSPITAL, ADMINISTRATION, VPMA OFFICE
NAPERVILLE, IL 60540
Dupage County (630) 527-5647
AMAAR MASOOD MALIK DO
Radiology (Diagnostic Radiology)
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 527-3200
DR. SANGITA RANGALA M.D.
Emergency Medicine
801 S WASHINGTON ST
NAPERVILLE, IL 60540
Dupage County (630) 527-3288

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 Mark Livak's NPI number?

The NPI number for Mark Livak is 1548557481. It was assigned to this individual provider in the NPPES registry on June 29, 2011.

Where is Mark Livak located?

Mark Livak practices at 801 S Washington St, Naperville, IL 60540. The listed phone number is (630) 527-3000.

What is Mark Livak's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Mark Livak enrolled in Medicare?

Yes. Mark Livak 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 Mark Livak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Livak reassigns Medicare benefits to 5 organizations: Edward Hospital (Naperville, IL), Illinois Emergency Medicine Specialists, LLC (Bolingbrook, IL), Aurora Emergency Physicians, LLC (Aurora, IL), Cep America - Illinois, LLP (Aurora, IL) and Endeavor Health Medical Group (Evanston, 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 Mark Livak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mark Livak affiliated with any hospitals?

According to CMS data, Mark Livak is affiliated with Edward Hospital.

When was this NPI record last updated?

The NPPES record for Mark Livak was last updated on November 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.