DR. CHRISTOPHER P HOGREFE M.D.
NPI 1184881401
Emergency Medicine in Chicago, IL

NPI Status: Active since May 22, 2008

Contact Information

201 E HURON ST
GALTER 3-150
CHICAGO, IL
ZIP 60611
Phone: (312) 926-0047
Fax: (312) 926-7260

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  • Individual
  • Male
  • Years of Experience 18
  • Emergency Medicine
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About CHRISTOPHER HOGREFE

This page provides the complete NPI Profile along with additional information for Christopher Hogrefe, a provider established in Chicago, Illinois with a medical specialization in Emergency Medicine and more than 18 years of experience. He graduated from University Of Iowa, Rj & L Carver College Of Medicine in 2008. The healthcare provider is registered in the NPI registry with number 1184881401 assigned on May 2008. The practitioner's primary taxonomy code is 207P00000X with license number 036-135932 (IL). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1184881401
Provider Name
DR. CHRISTOPHER P HOGREFE M.D.
Gender
Male
Entity Type
Individual
Location Address
201 E HURON ST GALTER 3-150 CHICAGO, IL 60611
Location Phone
(312) 926-0047
Location Fax
(312) 926-7260
Mailing Address
201 E. HURON GALTER 3-150 CHICAGO, IL 60611
Mailing Phone
(312) 926-0047
Mailing Fax
(312) 926-7260
Medical School Name
UNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduation Year
2008
Is Sole Proprietor?
No
Enumeration Date
05-22-2008
Last Update Date
03-27-2025
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Location Map

Secondary Locations

  • 400 E Polk St
    Washington, IA 52353
    (319) 653-5481
  • 200 Hawkins Dr
    Iowa City, IA 52242
    (319) 356-2233
  • 701 W Forevergreen Rd
    North Liberty, IA 52317
    (319) 356-2633

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Emergency Medicine

Taxonomy Code
207P00000X
Type
Allopathic & Osteopathic Physicians
License No.
036-135932
License State
IL
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207P00000XAllopathic & Osteopathic Physicians

Emergency Medicine

39124 (IA)
2207PS0010XAllopathic & Osteopathic Physicians

Emergency Medicine
Sports Medicine

036-135932 (IL)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Medica Insure Bronze $0 Copay PCP Visits - EPO
  • Medica Insure Bronze Premier - EPO
  • Medica Insure Bronze Share - EPO
  • Medica Insure Expanded Bronze Standard - EPO
  • Medica Insure Gold $0 Copay PCP Visits - EPO
  • Medica Insure Gold Share - EPO
  • Medica Insure Gold Standard - EPO
  • Medica Insure Silver $0 Copay PCP Visits - EPO
  • Medica Insure Silver Share - EPO
  • Medica Insure Silver Standard - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Christopher Hogrefe is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Christopher Hogrefe is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 7214122456

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20141009002451

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Aspiration and/or injection of fluid from large joint

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

This service was performed 35 times for 27 patients

Critical care, first 30-74 minutes

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.

This service was performed 27 times for 27 patients

Emergency department visit for life threatening or functioning severity

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.

This service was performed 132 times for 132 patients

Emergency department visit for problem of high severity

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.

This service was performed 52 times for 52 patients

Emergency department visit for problem of moderate severity

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

This service was performed 24 times for 24 patients

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 49 times for 38 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 26 times for 21 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

This service was performed 154 times for 29 patients

New patient office or other outpatient visit, 30-44 minutes

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 49 times for 49 patients

New patient office or other outpatient visit, 45-59 minutes

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 30 times for 30 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $23.51 for a new patient copayment and $26.42 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 60611 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $94.06
  • Minimum New Patient Price $60.08
  • Maximum New Patient Price $183.39
  • Average New Patient Copayment $23.51
  • Minimum New Patient Copayment $15.02
  • Maximum New Patient Copayment $45.84

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $105.7
  • Minimum Established Patient Price $18.97
  • Maximum Established Patient Price $148.12
  • Average Established Patient Copayment $26.42
  • Minimum Established Patient Copayment $4.74
  • Maximum Established Patient Copayment $37.03

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Christopher Hogrefe is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
NORTHWESTERN MEMORIAL HOSPITAL251 E HURON ST
CHICAGO, IL 60611
(312) 926-2000Acute Care Hospitals
UNIVERSITY OF IOWA HOSPITAL & CLINICS200 HAWKINS DRIVE
IOWA CITY, IA 52242
(319) 356-1616Acute Care Hospitals

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1184881401, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
4
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
8
Unchanged
Pos 7
1
Doubled → 2
Pos 8
4
Unchanged
Pos 9
0
Doubled → 0
Check
1
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 8 → 16 → 7 1 → 2 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 1 + 1 + 6 + 4 + 1 + 6 + 8 + 2 + 4 + 0 + 24 = 59

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1184881401.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Oral & Maxillofacial Surgery
201 E HURON ST, 12-100
CHICAGO, IL 60611
Internal Medicine
201 E HURON ST, SUITE 12-105
CHICAGO, IL 60611
Internal Medicine (Gastroenterology)
201 E HURON ST, SUITE 12-200
CHICAGO, IL 60611
Pediatrics
201 E HURON ST, GALTER AMBULATORY PAVILLION SUITE 12-260
CHICAGO, IL 60611
Dermatology
201 E HURON ST, GALTER PAV 11-230
CHICAGO, IL 60611
Internal Medicine
201 E HURON ST, SUITE 11-200
CHICAGO, IL 60611
Psychiatry & Neurology (Psychiatry)
201 E HURON ST, SUITE 11-100
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
201 E HURON ST, 4TH FLOOR
CHICAGO, IL 60611
Internal Medicine
201 E HURON ST, 12TH FLOOR, SUITE 105
CHICAGO, IL 60611
Internal Medicine
201 E HURON ST, 12TH FLOOR , SUITE 105
CHICAGO, IL 60611
Pediatrics
201 E HURON ST, 12TH FL. SUITE 130
CHICAGO, IL 60611
Specialist
201 E HURON ST, SUITE 9-160
CHICAGO, IL 60611
Internal Medicine
201 E HURON ST, 12TH FLOOR, SUITE 105
CHICAGO, IL 60611
Pediatrics
201 E HURON ST, 12TH FLOOR, SUITE 130
CHICAGO, IL 60611
Psychiatry & Neurology (Psychiatry)
201 E HURON ST, 9-235
CHICAGO, IL 60611
Pediatrics
201 E HURON ST, 12TH FLOOR, SUITE 130
CHICAGO, IL 60611
Internal Medicine
201 E HURON ST, 12TH FL SUITE 105
CHICAGO, IL 60611
Internal Medicine
201 E HURON ST, 12TH FLOOR, SUITE 105
CHICAGO, IL 60611
Pediatrics
201 E HURON ST, 12TH FLOOR, SUITE 130
CHICAGO, IL 60611
Urology
201 E HURON ST, SUITE 10-200
CHICAGO, IL 60611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1184881401, enumerated as an "individual" on May 22, 2008.

The provider is located at 201 E HURON ST GALTER 3-150 CHICAGO, IL 60611 and the phone number is (312) 926-0047.

Emergency Medicine with taxonomy code 207P00000X.

The provider might be accepting Accepts: Medica. Please consult your insurance carrier or call the provider to verify.

Christopher Hogrefe is affiliated with: NORTHWESTERN MEMORIAL HOSPITAL and UNIVERSITY OF IOWA HOSPITAL & CLINICS.