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DR. ALEXANDER B FROYSHTETER M.D.
NPI 1548536428
Anesthesiology in Chicago, IL

Active since March 26, 2012PECOS Enrolled
1653 W CONGRESS PKWY # 7, RUSH UNIVERSITY MEDICAL CENTER, DEPT. OF ANESTHESIOLOGY, CHICAGO, IL 60612(312) 942-5000 Get Directions Write a Review

NPPES record last updated: April 4, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Alexander B Froyshteter M.d. NPPES

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

DR. ALEXANDER B FROYSHTETER M.D. (NPI 1548536428) is an individual anesthesiology provider in Chicago, Illinois, licensed in Illinois (036.142849) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1548536428
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. ALEXANDER B FROYSHTETERCredential: M.D.
Location Address1653 W CONGRESS PKWY # 7, RUSH UNIVERSITY MEDICAL CENTER, DEPT. OF ANESTHESIOLOGYChicago, IL 60612-3833
Mailing Address1653 W Congress Pkwy # 7, Rush University Medical Center, Dept. Of AnesthesiologyChicago, IL 60612-3833 · (312) 942-5000
Phone(312) 942-5000
Sole ProprietorYes
Enumeration DateMarch 26, 2012
Last NPPES UpdateApril 4, 2018
✔ NPI 1548536428 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in IL · 036.142849
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1653 W CONGRESS PKWY # 7, Chicago, IL 60612
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexander B Froyshteter M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Alexander Froyshteter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lurie Children's Medical Group Inc
2.8 mi
Pediatrics
225 E CHICAGO AVE
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group
NPI 1518064716 (312) 227-6412

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. CLAIRE XUCHEN SUN MD
Anesthesiology
1653 W CONGRESS PKWY # 7
CHICAGO, IL 60612
Cook County (312) 942-5000
DR. JAKE MICHAEL ABRAMOWICZ DO
Anesthesiology
1653 W CONGRESS PKWY # 7
CHICAGO, IL 60612
Cook County (312) 942-5000

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 Froyshteter's NPI number?

The NPI number for Alexander Froyshteter is 1548536428. It was assigned to this individual provider in the NPPES registry on March 26, 2012.

Where is Alexander Froyshteter located?

Alexander Froyshteter practices at 1653 W Congress Pkwy # 7 Rush University Medical Center, Dept. Of Anesthesiology, Chicago, IL 60612. The listed phone number is (312) 942-5000.

What is Alexander Froyshteter's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Alexander Froyshteter enrolled in Medicare?

Yes. Alexander Froyshteter is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alexander Froyshteter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Froyshteter reassigns Medicare benefits to Lurie Children's Medical Group Inc (Chicago, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Froyshteter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alexander Froyshteter was last updated on April 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.