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DR. GRETCHEN ELIZABETH FOX M.D.
NPI 1407081904
Anesthesiology in Chicago, IL

Active since May 27, 2009PECOS Enrolled
1740 W TAYLOR ST, CHICAGO, IL 60612(866) 600-2273 Get Directions Write a Review

NPPES record last updated: June 21, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Gretchen Elizabeth Fox M.d. NPPES

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

DR. GRETCHEN ELIZABETH FOX M.D. (NPI 1407081904) is an individual anesthesiology provider in Chicago, Illinois, licensed in Illinois (036.128846) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407081904
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. GRETCHEN ELIZABETH FOXCredential: M.D.
Location Address1740 W TAYLOR STChicago, IL 60612-7232
Mailing Address512 N Peoria StChicago, IL 60642-6665 · (630) 768-5316
Phone(866) 600-2273
Sole ProprietorNo
Enumeration DateMay 27, 2009
Last NPPES UpdateJune 21, 2013
✔ NPI 1407081904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in IL · 036.128846
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.
1740 W TAYLOR ST, 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. Gretchen Elizabeth Fox 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 Reassignments

2

Medicare enrollment records show Gretchen Fox reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Board Of Trustees Of The University Of Illinois
Same address
Anesthesiology
1740 W TAYLOR ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 2,127 clinicians in this Medicare group
NPI 1013136282 (312) 996-4020
River Road Anesthesia Specialists, LLC
16 mi
Anesthesiology
9700 GOLF RD
Des Plaines, IL 60016
  • Reassigned Medicare billing, Illinois enrollment
  • 9 clinicians in this Medicare group
NPI 1215545272 (630) 410-7700

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 20

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

MRS. CATHLEEN CONWAY JENSEN OTR/L
Occupational Therapist
1740 W TAYLOR ST, C100
CHICAGO, IL 60612
Cook County (312) 996-3700
KELLY M HOYERT PA-C
Physician Assistant (Surgical)
1740 W TAYLOR ST, 3F OCC
CHICAGO, IL 60612
Cook County (312) 355-4300
DR. YI-LOONG COLIN WOON M.D.
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
VIDHI SRIVASTAVA MD
Anesthesiology
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
AMY PHAM D.O.
Pediatrics (Neonatal-Perinatal Medicine)
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
WILSON CHING M.D.
Family Medicine
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
ADRIENNE BERMAN MD
Ophthalmology
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
JOSEPH S COLLA M.D.
Emergency Medicine
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (312) 996-8177

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 Gretchen Fox's NPI number?

The NPI number for Gretchen Fox is 1407081904. It was assigned to this individual provider in the NPPES registry on May 27, 2009.

Where is Gretchen Fox located?

Gretchen Fox practices at 1740 W Taylor St, Chicago, IL 60612. The listed phone number is (866) 600-2273.

What is Gretchen Fox's specialty?

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

Is Gretchen Fox enrolled in Medicare?

Yes. Gretchen Fox is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gretchen Fox's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Fox reassigns Medicare benefits to 2 organizations: Board Of Trustees Of The University Of Illinois (Chicago, IL) and River Road Anesthesia Specialists, LLC (Des Plaines, IL). Each 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 Gretchen Fox'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 Gretchen Fox was last updated on June 21, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.