MARIUS J KATILIUS MD
NPI 1659346583
Surgery in Joliet, IL

Q: What is Marius Katilius's NPI number?

The NPI number for Marius Katilius is 1659346583. It was assigned to this individual provider in the NPPES registry on February 22, 2006.

Q: What is Marius Katilius's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Marius Katilius was last updated on April 7, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since February 22, 2006PECOS EnrolledAccepts Medicare Assignment

2 UNO CIR, JOLIET, IL 60435(815) 725-2277 Get Directions Write a Review

NPPES record last updated: April 7, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 7, 2025, Mar 31, 2021, May 24, 2019 and 1 more (4 updates tracked since 2018).

On this page

About Marius J Katilius Md NPPES

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

MARIUS J KATILIUS MD (NPI 1659346583) is an individual surgery provider in Joliet, Illinois, licensed in Illinois (036102938) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1659346583

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameMARIUS J KATILIUSCredential: MD

Location Address2 UNO CIRJoliet, IL 60435-6653

Mailing Address1860 Payshere CircleChicago, IL 60674-0001 · (630) 469-9200

Phone(815) 725-2277

Sole ProprietorNo

Medical School CMSOtherGraduated 1994

Enumeration DateFebruary 22, 2006

Last NPPES UpdateApril 7, 20254 updates tracked since enumeration

NPPES CertifiedApril 7, 2025

✔ NPI 1659346583 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in IL · 036102938

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

2 UNO CIR, Joliet, IL 60435

Open in Google Maps ↗

Secondary Practice Location 1

Location 1836 W Wellington AveChicago, IL 60657-5147 · Phone (773) 296-5073 · Fax (773) 296-7199

Other Identifiers 4

Other9930030IL · Bcbs Of Illinois

Medicaid036102938IL

Other66708IL · Health Alliance, Urbana

Other7943189IL · Aetna

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Marius J Katilius 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 ID9335209139

PECOS Enrollment IDI20081124000747

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 13

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 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.

65 services51 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.

61 services44 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

49 services49 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.

36 services36 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

31 services31 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

29 services22 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.

19 services19 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

18 services18 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

16 services16 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.

16 services15 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.

16 services16 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

13 services13 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

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.

Presence Saint Joseph Medical Center

Acute Care Hospitals · Joliet, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140007

Location333 N Madison StJoliet, IL 60435 · Will County

Emergency services Birthing friendly

Morris Hospital & Healthcare Centers

Acute Care Hospitals · Morris, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140101

Location150 W High StMorris, IL 60450 · Grundy County

Emergency services Birthing friendly

Advocate Illinois Masonic Medical Center

Acute Care Hospitals · Chicago, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140182

Location836 West Wellington AvenueChicago, IL 60657 · Cook County

Emergency services Birthing friendly

Silver Cross Hospital And Medical Centers

Acute Care Hospitals · New Lenox, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140213

Location1900 Silver Cross BlvdNew Lenox, IL 60451 · Will County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60435 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

$74.38 typical visit price

range $19.15 – $147.12

Typical copayment $18.59 (range $4.78 – $36.78)

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.

Referred Medical Equipment & Supplies CMS DME claims

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

Gauze, non-impregnated, sterile, pad size 16 sq. in. or less, with any size adhesive border, each dressing A6219

DME-Medical/Surgical Supplies · category DA023N

1 supplier11 claims270 services$0.83 avg. paid by Medicare

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

Leave this field empty

Other Providers at the Same Location NPPES 8

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

MANUEL F CORRALES M.D.

Surgery

2 UNO CIR
JOLIET, IL 60435

Will County (815) 725-2277

DR. MARK V DANIELSON MD

Surgery

2 UNO CIR
JOLIET, IL 60435

Will County (815) 725-2277

CAROL DANIELSON RN

Nurse Practitioner (Family)

2 UNO CIR
JOLIET, IL 60435

Will County (815) 725-2277

SURGICAL CONSULTANTS OF JOLIET, LTD

Surgery

2 UNO CIR
JOLIET, IL 60435

Will County (815) 725-2277

JONATHAN C WU MD

Surgery

2 UNO CIR
JOLIET, IL 60435

Will County (815) 725-2277

DR. NASSER MAALI DDS

Dentist (Endodontics)

2 UNO CIR, SUITE C
JOLIET, IL 60435

Will County (815) 725-0066

CHRISTY HISER MD

Surgery

2 UNO CIR
JOLIET, IL 60435

Will County (815) 725-2277

ALEXANDRA RICHARDS APN

Nurse Practitioner

2 UNO CIR
JOLIET, IL 60435

Will County (815) 725-2277

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 Marius Katilius's NPI number?

The NPI number for Marius Katilius is 1659346583. It was assigned to this individual provider in the NPPES registry on February 22, 2006.

Where is Marius Katilius located?

Marius Katilius practices at 2 Uno Cir, Joliet, IL 60435. The listed phone number is (815) 725-2277.

What is Marius Katilius's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Marius Katilius enrolled in Medicare?

Yes. Marius Katilius 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 Marius Katilius accept?

Health plans from Anthem Blue Cross and Blue Shield list Marius Katilius 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 Marius Katilius affiliated with any hospitals?

According to CMS data, Marius Katilius is affiliated with Presence Saint Joseph Medical Center, Morris Hospital & Healthcare Centers, Advocate Illinois Masonic Medical Center and Silver Cross Hospital And Medical Centers.

When was this NPI record last updated?

The NPPES record for Marius Katilius was last updated on April 7, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.