DR. CHRISTOPHER P HOGREFE M.D.
NPI 1184881401
Emergency Medicine in Chicago, IL
About Dr. Christopher P Hogrefe M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTOPHER P HOGREFE M.D. (NPI 1184881401) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (036-135932) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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. Christopher P Hogrefe M.d. 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
3Medicare enrollment records show Christopher Hogrefe reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Bettendorf, IA 52722
- Reassigned Medicare billing, Iowa enrollment
- 2,190 clinicians in this Medicare group
Kalona, IA 52247
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1053305326 (Iowa)
- 86 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 12
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILNorthwestern Memorial Hospital
Acute Care Hospitals · Chicago, ILUniversity Of Iowa Hospital & Clinics
Acute Care Hospitals · Iowa City, IAPhysician 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
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 Christopher Hogrefe's NPI number?
The NPI number for Christopher Hogrefe is 1184881401. It was assigned to this individual provider in the NPPES registry on May 22, 2008.
Where is Christopher Hogrefe located?
Christopher Hogrefe practices at 201 E Huron St Galter 3-150, Chicago, IL 60611. The listed phone number is (312) 926-0047.
What is Christopher Hogrefe's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Christopher Hogrefe enrolled in Medicare?
Yes. Christopher Hogrefe 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 Christopher Hogrefe's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Hogrefe reassigns Medicare benefits to 3 organizations: Northwestern Medical Faculty Foundation (Carol Stream, IL), State University Of Iowa (Bettendorf, IA) and Washington County Hospital (Kalona, IA). 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 Christopher Hogrefe's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Hogrefe accept?
Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Christopher Hogrefe 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 Christopher Hogrefe affiliated with any hospitals?
According to CMS data, Christopher Hogrefe is affiliated with Northwestern Medicine Central Dupage Hospital, Northwestern Memorial Hospital and University Of Iowa Hospital & Clinics.
When was this NPI record last updated?
The NPPES record for Christopher Hogrefe was last updated on March 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.