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JOSHUA D ZIMMERMAN MD
NPI 1053653634
Emergency Medicine in Chicago, IL

Active since March 21, 2013PECOS EnrolledAccepts Medicare Assignment
211 E ONTARIO ST, SUITE 200, CHICAGO, IL 60611(312) 926-9512 Get Directions Write a Review

NPPES record last updated: January 9, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 8, 2023, Oct 14, 2020, Jan 13, 2020 and 2 more (5 updates tracked since 2017).

About Joshua D Zimmerman Md NPPES

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

JOSHUA D ZIMMERMAN MD (NPI 1053653634) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (036140068) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, is affiliated with Froedtert South Inc., and is a graduate of University Of Toledo College Of Medicine (2013).

NPPES Registry Identity

NPI1053653634
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJOSHUA D ZIMMERMANCredential: MD
Location Address211 E ONTARIO ST, SUITE 200Chicago, IL 60611-3468
Mailing Address211 E Ontario St Ste 200Chicago, IL 60611-3284 · (312) 926-6486
Phone(312) 926-9512
Sole ProprietorNo
Medical School CMSUniversity Of Toledo College Of MedicineGraduated 2013
Enumeration DateMarch 21, 2013
Last NPPES UpdateJanuary 9, 20245 updates tracked since enumeration
NPPES CertifiedJanuary 9, 2024
✔ NPI 1053653634 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in IL · 036140068✔ Licensed in IN · 01083143A✔ Licensed in WI · 3511-320
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
211 E ONTARIO ST, Chicago, IL 60611
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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 and accepts Medicare assignment

Joshua D Zimmerman 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 ID5496050346
PECOS Enrollment IDI20240205002856
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

6

Medicare enrollment records show Joshua Zimmerman reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cepamerica Illinois LLP
3.0 mi
Emergency Medicine
2900 N LAKE SHORE DR
Chicago, IL 60657
  • Reassigned Medicare billing, Illinois enrollment
  • 982 clinicians in this Medicare group
NPI 1134677370 (773) 665-3000
Cep America LLC
20 mi
Emergency Medicine
4321 FIR ST
East Chicago, IN 46312
  • Reassigned Medicare billing, Indiana enrollment
  • 598 clinicians in this Medicare group
NPI 1336805563 (219) 392-1700
Northwestern Medical Faculty Foundation
34 mi
Multi-Specialty
DEPT 5777
Carol Stream, IL 60122
  • Reassigned Medicare billing, Illinois enrollment
  • 4,817 clinicians in this Medicare group
NPI 1346235314 (855) 694-2866
Froedtert South, Inc.
48 mi
Family Medicine
6308 8TH AVE
Kenosha, WI 53143
  • Reassigned Medicare billing, Wisconsin enrollment
  • 212 clinicians in this Medicare group
NPI 1558305284 (262) 656-2718
Vituity-Wisconsin Em Sc
49 mi
Emergency Medicine
9555 76TH ST
Pleasant Prairie, WI 53158
  • Reassigned Medicare billing, Wisconsin enrollment
  • 104 clinicians in this Medicare group
NPI 1326730664 (262) 577-8000
Rockford Health Physicians
75 mi
Multi-Specialty
8201 E RIVERSIDE BLVD
Rockford, IL 61114
  • Reassigned Medicare billing, Illinois enrollment
  • 1,375 clinicians in this Medicare group
NPI 1043242886 (608) 314-2428

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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
247 services236 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
88 services88 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
58 services56 patients
Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042
An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.
15 services15 patients

Hospital Affiliations CMS Care Compare

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

Froedtert South Inc.

Acute Care Hospitals · Pleasant Prairie, WI
1/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number520021
Location9555 76th StPleasant Prairie, WI 53158 · Kenosha County
Emergency services

Physician 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.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. KRISTEN GRABOW MOORE M.D.
Emergency Medicine
211 E ONTARIO ST, SUITE 300
CHICAGO, IL 60611
Cook County (312) 694-7000
NEUROMETRIKS LTD
Psychiatry & Neurology (Neurology)
211 E ONTARIO ST, SUITE 1440
CHICAGO, IL 60611
Cook County (312) 202-8880
DR. ELIZABETH G. APOLONIO MD
Internal Medicine
211 E ONTARIO ST, NORTHWESTERN MEMORIAL HEALTH CARE BUILDING - SUITE 1200
CHICAGO, IL 60611
Cook County (312) 469-4860
ETHAN MICHAEL MEISEL M.D.
General Practice
211 E ONTARIO ST, SUITE 925
CHICAGO, IL 60611
Cook County (312) 573-0614
INSTANT CARE, LLC
Clinic/Center (Ambulatory Surgical)
211 E ONTARIO ST, SUITE 800
CHICAGO, IL 60611
Cook County (312) 787-8600
NADIA PENA
Registered Nurse
211 E ONTARIO ST
CHICAGO, IL 60611
Cook County (312) 469-4863
LEONEL ANTONIO URDANETA JR. MD
Internal Medicine
211 E ONTARIO ST, 12TH FLOOR
CHICAGO, IL 60611
Cook County (312) 469-4905
DR. PATRICK MCCAFFERTY LANK M.D.
Emergency Medicine
211 E ONTARIO ST, SUITE 200
CHICAGO, IL 60611
Cook County (312) 926-6494

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 Joshua Zimmerman's NPI number?

The NPI number for Joshua Zimmerman is 1053653634. It was assigned to this individual provider in the NPPES registry on March 21, 2013.

Where is Joshua Zimmerman located?

Joshua Zimmerman practices at 211 E Ontario St Suite 200, Chicago, IL 60611. The listed phone number is (312) 926-9512.

What is Joshua Zimmerman's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Joshua Zimmerman enrolled in Medicare?

Yes. Joshua Zimmerman 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 Joshua Zimmerman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Zimmerman reassigns Medicare benefits to 6 organizations: Cepamerica Illinois LLP (Chicago, IL), Cep America LLC (East Chicago, IN), Northwestern Medical Faculty Foundation (Carol Stream, IL), Froedtert South, Inc. (Kenosha, WI), Vituity-Wisconsin Em Sc (Pleasant Prairie, WI) and 1 more organization, 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 Joshua Zimmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Joshua Zimmerman affiliated with any hospitals?

According to CMS data, Joshua Zimmerman is affiliated with Froedtert South Inc..

When was this NPI record last updated?

The NPPES record for Joshua Zimmerman was last updated on January 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.