DR. MALLORY ROCHON SIMMONS DNP
NPI 1174168686
Nurse Anesthetist, Certified Registered in Chicago, IL
About Dr. Mallory Rochon Simmons Dnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MALLORY ROCHON SIMMONS DNP (NPI 1174168686) is an individual nurse anesthetist, certified registered in Chicago, Illinois, licensed in Illinois (209029505) and active in the NPI registry since November 2019. She is enrolled in Medicare PECOS, is affiliated with Northwestern Memorial Hospital, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mallory Rochon Simmons Dnp 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.
Medicare Billing Reassignments
12Medicare enrollment records show Mallory Simmons reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 188 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Owatonna, MN 55060
- Reassigned Medicare billing, Minnesota enrollment
- 3,733 clinicians in this Medicare group
East Liverpool, OH 43920
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Richmond, MO 64085
- Reassigned Medicare billing, Missouri enrollment
- 702 clinicians in this Medicare group
West Monroe, LA 71292
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 245 clinicians in this Medicare group
Baton Rouge, LA 70809
- Reassigned Medicare billing, Louisiana enrollment
- 357 clinicians in this Medicare group
New Orleans, LA 70112
- Reassigned Medicare billing, Louisiana enrollment
- 295 clinicians in this Medicare group
New Orleans, LA 70112
- Reassigned Medicare billing, Louisiana enrollment
- 931 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Memorial Hospital
Acute Care Hospitals · Chicago, ILOur Lady Of The Lake Regional Medical Center
Acute Care Hospitals · Baton Rouge, LAAbbott Northwestern Hospital
Acute Care Hospitals · Minneapolis, MNMount Sinai South Nassau
Acute Care Hospitals · Oceanside, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
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 Mallory Simmons's NPI number?
The NPI number for Mallory Simmons is 1174168686. It was assigned to this individual provider in the NPPES registry on November 8, 2019.
Where is Mallory Simmons located?
Mallory Simmons practices at 251 E Huron St Ste 5-704, Chicago, IL 60611. The listed phone number is (312) 926-8369.
What is Mallory Simmons's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mallory Simmons enrolled in Medicare?
Yes. Mallory Simmons 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.
Which organizations bill Medicare for Mallory Simmons's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mallory Simmons reassigns Medicare benefits to 12 organizations: University Anesthesiologists Sc (Chicago, IL), Northwestern Medical Faculty Foundation (Carol Stream, IL), Allina Health System (Owatonna, MN), University Of Pittsburgh Physicians (East Liverpool, OH), Meritas Health Corporation (Richmond, MO) and 7 more organizations, listed in the Medicare section above. 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 Mallory Simmons's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mallory Simmons accept?
Health plans from HMO Louisiana list Mallory Simmons 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 Mallory Simmons affiliated with any hospitals?
According to CMS data, Mallory Simmons is affiliated with Northwestern Memorial Hospital, Our Lady Of The Lake Regional Medical Center, Abbott Northwestern Hospital and Mount Sinai South Nassau.
When was this NPI record last updated?
The NPPES record for Mallory Simmons was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Dr. Mallory Rochon Simmons, DNP · NPI 1174168686
Nurse Anesthetist, Certified Registered physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since November 8, 2019.
## Identity
- **NPI:** 1174168686 (Entity type: Individual)
- **Enumerated:** November 8, 2019
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 209029505 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 251 E HURON ST STE 5-704, Chicago, IL 60611-2908
- **Phone:** (312) 926-8369 · **Fax:** (312) 926-8341
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 12 organizations under Medicare reassignment (form CMS-855R): University Anesthesiologists Sc (NPI 1073558136, Chicago, IL); Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL); Allina Health System (NPI 1548136146, Owatonna, MN); University Of Pittsburgh Physicians (NPI 1811945793, East Liverpool, OH); Meritas Health Corporation (NPI 1467811786, Richmond, MO); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** July 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1174168686) · Data from the CMS NPPES public registry.