DR. ALEXANDER JACKSON SAUPER MD
NPI 1649441619
Surgery - Surgical Critical Care in Chicago, IL

Active since March 18, 2008PECOS EnrolledAccepts Medicare Assignment
84.57/100
CMS Quality Rating
1900 W POLK ST, SUITE 628, CHICAGO, IL 60612(312) 864-3130 Get Directions Write a Review

NPPES record last updated: April 30, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 30, 2021, Jul 8, 2020 (2 updates tracked since 2020).

About Dr. Alexander Jackson Sauper Md NPPES

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

DR. ALEXANDER JACKSON SAUPER MD (NPI 1649441619) is an individual surgical critical care provider in Chicago, Illinois, licensed in Illinois (036-115752) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS, is affiliated with John H Stroger Jr Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2003).

NPPES Registry Identity

NPI1649441619
Entity TypeIndividualMale
Primary Taxonomy2086S0102X
Provider Legal NameDR. ALEXANDER JACKSON SAUPERCredential: MD
Location Address1900 W POLK ST, SUITE 628Chicago, IL 60612-3723
Mailing Address1900 W Polk St, Suite 628Chicago, IL 60612-3723 · (312) 864-3130
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2003
Enumeration DateMarch 18, 2008
Last NPPES UpdateApril 30, 20212 updates tracked since enumeration
NPPES CertifiedApril 30, 2021
NPI 1649441619 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians
Taxonomy Code2086S0102X
License Licensed in IL · 036-115752
Definition
A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine 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 036115752 (IL)
1900 W POLK ST, Chicago, IL 60612

Accepted 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. Alexander Jackson Sauper 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 ID6901942986
PECOS Enrollment IDI20120126000116
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.

Hospital Affiliations CMS Care Compare 2

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

John H Stroger Jr Hospital

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number140124
Location1901 W Harrison StChicago, IL 60612 · Cook County
Emergency services Birthing friendly

Provident Hospital Of Chicago

Acute Care Hospitals · Chicago, IL
OwnershipGovernment - Local
CMS Certification Number140300
Location500 E 51st StChicago, IL 60615 · Cook County
Emergency services

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.57/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality60.25
Promoting Interoperability100
Improvement Activities40
Cost67

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.

Pathology (Anatomic Pathology & Clinical Pathology)
1900 W POLK ST
CHICAGO, IL 60612
Emergency Medicine
1900 W POLK ST, SUITE 1053
CHICAGO, IL 60612
General Acute Care Hospital
1900 W POLK ST, DEPT OF EM 10TH FLOOR
CHICAGO, IL 60612
Nurse Anesthetist, Certified Registered
1900 W POLK ST
CHICAGO, IL 60612
Nurse Practitioner (Pediatrics)
1900 W POLK ST, 1143
CHICAGO, IL 60612
Emergency Medicine
1900 W POLK ST, DEPARTMENT OF EMERGENCY MEDICINE
CHICAGO, IL 60612
Internal Medicine
1900 W POLK ST
CHICAGO, IL 60612
Pediatrics
1900 W POLK ST
CHICAGO, IL 60612

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 Alexander Sauper's NPI number?

The NPI number for Alexander Sauper is 1649441619. It was assigned to this individual provider in the NPPES registry on March 18, 2008.

Where is Alexander Sauper located?

Alexander Sauper practices at 1900 W Polk St Suite 628, Chicago, IL 60612. The listed phone number is (312) 864-3130.

What is Alexander Sauper's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.

Is Alexander Sauper enrolled in Medicare?

Yes. Alexander Sauper 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 Alexander Sauper accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Alexander Sauper 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 Alexander Sauper affiliated with any hospitals?

According to CMS data, Alexander Sauper is affiliated with John H Stroger Jr Hospital and Provident Hospital Of Chicago.

When was this NPI record last updated?

The NPPES record for Alexander Sauper was last updated on April 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.