AMBULATORY ANESTHESIOLOGISTS OF CHICAGO, LLC – Anesthesiology Physician, NPI 1659306272
Anesthesiology Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for AMBULATORY ANESTHESIOLOGISTS OF CHICAGO, LLC
PO BOX 809274
LBX 809274
CHICAGO, IL 606809274
Phone: (312) 787-2998
Fax: (312) 787-7259
Type: Mailing
PO BOX 88386
CAROL STREAM, IL 601888386
Phone: (312) 291-7432
Fax: (312) 858-6104
Type: Mailing
60 E DELAWARE PL FL 15
CHICAGO, IL 606111998
Phone: (312) 291-7432
Fax: (877) 235-5009
Type: Location
409, West Huron Street, River North, Near North Side, Chicago, North Chicago Township, Cook County, Illinois, 60610, United States
3RD FL
CHICAGO, IL 606103431
Phone: (312) 787-2998
Fax: (312) 787-7259
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2004-08-04
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2024-07-31 (678 days ago).
Enrollment records
1
Earliest due date
2024-07-31
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 |
|---|---|---|---|---|
| O20040804000481 | O | Clinic/Group Practice | IL | 2024-07-31 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 60680)
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