MARIANNE MIKAT STEVENS MD
NPI 1598735904
Anesthesiology - Pediatric Anesthesiology in Ottawa, IL

Q: What is Marianne Mikat Stevens's NPI number?

The NPI number for Marianne Mikat Stevens is 1598735904. It was assigned to this individual provider in the NPPES registry on January 26, 2006.

Q: What is Marianne Mikat Stevens's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pediatric Anesthesiology, with taxonomy code 207LP3000X.

Active since January 26, 2006PECOS EnrolledAccepts Medicare Assignment

1100 E NORRIS DR, OTTAWA, IL 61350(815) 433-3100 Get Directions Write a Review

NPPES record last updated: January 22, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Marianne Mikat Stevens Md NPPES

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

MARIANNE MIKAT STEVENS MD (NPI 1598735904) is an individual pediatric anesthesiology provider in Ottawa, Illinois, licensed in Illinois (036088181) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Osf Saint Elizabeth Mdl Ctr, and maintains a secondary practice location in Maywood.

NPPES Registry Identity

NPI1598735904

Entity TypeIndividualMale

Primary Taxonomy207LP3000X

Provider Legal NameMARIANNE MIKAT STEVENSCredential: MD

Location Address1100 E NORRIS DROttawa, IL 61350-1604

Mailing Address1100 E Norris DrOttawa, IL 61350-1604 · (815) 433-3100

Phone(815) 433-3100

Sole ProprietorNo

Medical School CMSOtherGraduated 1980

Enumeration DateJanuary 26, 2006

Last NPPES UpdateJanuary 22, 2025

NPPES CertifiedJanuary 22, 2025

✔ NPI 1598735904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiology · Pediatric AnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207LP3000X

License✔ Licensed in IL · 036088181

Definition

An anesthesiologist who has had additional skill and experience in and is primarily concerned with the anesthesia, sedation, and pain management needs of infants and children. A pediatric anesthesiologist generally provides services including the evaluation of complex medical problems in infants and children when surgery is necessary, planning and care for children before and after surgery, pain control, anesthesia and sedation for any procedures out of the operating room such as MRI, CT scan, and radiation therapy.

Also ListedAnesthesiologyTaxonomy 207L00000X · License 36088181 (IL)

1100 E NORRIS DR, Ottawa, IL 61350

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Secondary Practice Location 1

Location 12160 S 1st Ave, (BLDG. 103, RM. 3102)Maywood, IL 60153-3328 · Phone (708) 216-6462 · Fax (708) 216-1249

Other Identifiers 2

OtherK04518IL · Medicare

Medicaid36088181IL

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

Marianne Mikat Stevens 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 ID5193712610

PECOS Enrollment IDI20040427001445

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 Marianne Mikat Stevens reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ottawa Regional Hospital & Healthcare Center

Same address

General Acute Care Hospital

1100 E NORRIS DR
Ottawa, IL 61350

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

NPI 1306971080 (815) 433-3100

Osf Multi-Specialty Group

59 mi

Internal Medicine

8600 N STATE ROUTE 91
Peoria, IL 61615

Reassigned Medicare billing, Illinois enrollment
2,944 clinicians in this Medicare group

NPI 1154908929 (309) 683-5050

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 12

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.

Anesthesia for lens surgery 00142

Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.

110 services96 patients

Anesthesia for procedure on small and large bowel using an endoscope 00813

Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.

94 services94 patients

Anesthesia for other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

53 services52 patients

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

41 services41 patients

Anesthesia for other procedure on urinary system through urethra 00910

Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.

37 services32 patients

Anesthesia for procedure for total knee joint replacement 01402

Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.

20 services20 patients

Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope 00918

This procedure involves using anesthesia to ensure comfort while a special instrument called an endoscope helps to locate, break up, and possibly remove kidney stones. The endoscope is a thin, flexible tube which is gently inserted and navigated to the area of concern.

18 services18 patients

Anesthesia for procedure on anus and rectum 00902

Anesthesia for procedures on the anus and rectum ensures comfort during medical procedures. It involves the administration of medication to numb the area or induce sleep, so you don't feel pain or discomfort. This helps doctors perform necessary procedures smoothly and effectively.

17 services17 patients

Anesthesia for procedure on upper 2/3rd of thigh bone 01230

Anesthesia for a procedure on the upper 2/3rd of the thigh bone involves administering medication to numb the area or make you unconscious, ensuring you don't feel pain during the operation. It's a safe and routine part of surgical procedures.

16 services16 patients

Anesthesia for exam of colon using an endoscope 00812

Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.

14 services14 patients

Anesthesia for removal of urinary bladder tumors including use of an endoscope 00912

This procedure involves the use of anesthesia to ensure comfort while an endoscope, a thin tube with a light and camera, is used to identify and remove abnormal growths in the bladder. It's a minimally invasive approach to maintain bladder health.

12 services11 patients

Anesthesia for other repair of lower abdomen hernia (1 year or older) 00830

Anesthesia for lower abdomen hernia repair in individuals aged 1 year or older involves administering medication to ensure you don't feel pain during the procedure. It can be either general (you're asleep) or regional (numbs a large area). It's safe and monitored by professionals.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Osf Saint Elizabeth Mdl Ctr

Acute Care Hospitals · Ottawa, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140110

Location1100 E Norris DriveOttawa, IL 61350 · La Salle County

Emergency services Birthing friendly

Osf Saint Clare Medical Center

Critical Access Hospitals · Princeton, IL

OwnershipGovernment - Local

CMS Certification Number141337

Location530 Park Avenue EastPrinceton, IL 61356 · Bureau County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61350 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

$127.46 typical visit price

range $54.80 – $168.44

Typical copayment $31.86 (range $13.70 – $42.11)

Most-billed visit code 99204

Established Patient

$68.64 typical visit price

range $17.16 – $136.56

Typical copayment $17.16 (range $4.29 – $34.14)

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.

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. ANASTASIA LVOVNA KHOUBAEVA M.D.

Emergency Medicine