DR. AMY ANN STEWART MD
NPI 1255582896
Internal Medicine - Critical Care Medicine in Oak Lawn, IL

Q: What is Amy Stewart's NPI number?

The NPI number for Amy Stewart is 1255582896. It was assigned to this individual provider in the NPPES registry on October 1, 2008.

Q: What is Amy Stewart's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: When was this NPI record last updated?

The NPPES record for Amy Stewart was last updated on May 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since October 01, 2008PECOS EnrolledAccepts Medicare Assignment

9555 S 52ND AVE, OAK LAWN, IL 60453(708) 634-0950 Get Directions Write a Review

NPPES record last updated: May 22, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 22, 2025, Oct 3, 2024, Apr 20, 2022 (3 updates tracked since 2022).

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About Dr. Amy Ann Stewart Md NPPES

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

DR. AMY ANN STEWART MD (NPI 1255582896) is an individual critical care medicine provider in Oak Lawn, Illinois, licensed in Illinois (036.135687) and active in the NPI registry since October 2008. She is enrolled in Medicare PECOS, is affiliated with Advocate Sherman Hospital, and is a graduate of University Of Texas Medical Branch At Galveston (2008).

NPPES Registry Identity

NPI1255582896

Entity TypeIndividualFemale

Primary Taxonomy207RC0200X

Provider Legal NameDR. AMY ANN STEWARTCredential: MD

Location Address9555 S 52ND AVEOak Lawn, IL 60453-3054

Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900

Phone(708) 634-0950

Sole ProprietorYes

Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2008

Enumeration DateOctober 1, 2008

Last NPPES UpdateMay 22, 20253 updates tracked since enumeration

NPPES CertifiedMay 22, 2025

✔ NPI 1255582896 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

License✔ Licensed in IL · 036.135687

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedSurgeryTaxonomy 208600000X · License 35.097133 (OH)

Also ListedSurgery · Trauma SurgeryTaxonomy 2086S0127X · License 036.135687 (IL)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

9555 S 52ND AVE, Oak Lawn, IL 60453

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.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

Dr. Amy Ann Stewart 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 ID6507008653

PECOS Enrollment IDI20141030000945

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 4

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.

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.

108 services80 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.

47 services28 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.

20 services20 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.

16 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Advocate Sherman Hospital

Acute Care Hospitals · Elgin, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140030

Location1425 North Randall RoadElgin, IL 60123 · Kane County

Emergency services Birthing friendly

Advocate Lutheran General Hospital

Acute Care Hospitals · Park Ridge, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140223

Location1775 Dempster StPark Ridge, IL 60068 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60453 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

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

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.

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.

ELIZABETH M PAYMENT MD

Family Medicine