DR. AMY ANN STEWART (MD) – Critical Care Medicine (Internal Medicine) Physician, NPI 1255582896
Critical Care Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
955 CRITICAL CARE (INTENSIVISTS) in IL
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Provider Addresses for DR. AMY ANN STEWART (MD)
Dempster Street, Buffalo, Erie County, New York, 14206, United States
PARK RIDGE, IL 600681143
Phone: (512) 736-2344
Type: Mailing
1875 Dempster St Ste 280
Park Ridge, IL 600681157
Phone: (847) 723-5990
Fax: (847) 318-2535
Type: Location
1775 Dempster St
Park Ridge, IL 600681143
Phone: (512) 736-2344
Type: Location
29373 NETWORK PL
CHICAGO, IL 606731293
Phone: (847) 390-5900
Type: Mailing
9555 S 52ND AVE
OAK LAWN, IL 604533054
Phone: (708) 634-0950
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $352.
Total Amount is formed as General ($352) + Research ($0) + Ownership ($0) = $352.
Last reported payment date: 2024-09-27 • Largest payer in this snapshot: Kerecis Limited ($147).
Total Amount
$352
General + Research + Ownership
Payments
3
Total payment records
General Amount
$352
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Kerecis Limited | $147 |
| Grifols USA, LLC | $120 |
| Prytime Medical Devices, Inc. | $85 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2025-06-05
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20141030000945 | I | Critical Care (Intensivists) | IL | TBD |
| I20250605002269 | I | Critical Care (Intensivists) | WI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 108 | 62 | $0 |
| 99291 | Critical care, first 30-74 minutes | 36 | 19 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 24 | 24 | $0 |
Insurance plans in this area (ZIP 60068)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | IL | |
| A N E S T H E S I O L O G Y | IL | |
| - | MN | |
| - | IL | |
| - | IL | |
| Rheumatology, Internal Medicine | IL | |
| - | IL | |
| Internal Medicine | IL | |
| P S Y C H I A T R Y | IL | |
| - | IL |
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