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DR. CHRISTOPHER KENDALL GERWING M.D.
NPI 1134328446
Emergency Medicine in Milwaukee, WI

Active since July 16, 2007PECOS EnrolledAccepts Medicare Assignment
111 E WISCONSIN AVE, SUITE 2000, MILWAUKEE, WI 53202(414) 290-6720(414) 290-6755 Get Directions Write a Review

NPPES record last updated: December 16, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Christopher Kendall Gerwing M.d. NPPES

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

DR. CHRISTOPHER KENDALL GERWING M.D. (NPI 1134328446) is an individual emergency medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (54047-20) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Bellin Memorial Hospital, and is a graduate of Medical College Of Wisconsin (2007).

NPPES Registry Identity

NPI1134328446
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. CHRISTOPHER KENDALL GERWINGCredential: M.D.
Location Address111 E WISCONSIN AVE, SUITE 2000Milwaukee, WI 53202-4815
Mailing Address111 E Wisconsin Ave, Suite 2000Milwaukee, WI 53202-4815 · (414) 290-6720 · Fax (414) 290-6755
Phone(414) 290-6720
Fax(414) 290-6755
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2007
Enumeration DateJuly 16, 2007
Last NPPES UpdateDecember 16, 2021
NPPES CertifiedDecember 16, 2021
✔ NPI 1134328446 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in WI · 54047-20✔ Licensed in IL · 125.052425
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.
111 E WISCONSIN AVE, Milwaukee, WI 53202
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Christopher Kendall Gerwing 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.

PECOS PAC ID3173718293
PECOS Enrollment IDI20101115000151
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.

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.
104 services97 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.
56 services54 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.
31 services28 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.
31 services30 patients

Hospital Affiliations CMS Care Compare

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

Bellin Memorial Hospital

Acute Care Hospitals · Green Bay, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520049
Location744 S Webster AveGreen Bay, WI 54305 · Brown County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53202 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
100%1,015 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

ADAM C ANKRUM D.O.
Emergency Medicine
111 E WISCONSIN AVE, SUITE 2000
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720
ROBERT J HALLOCK M.D.
Emergency Medicine
111 E WISCONSIN AVE, SUITE 2000
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720
ANDREA D GRANSEE APNP
Nurse Practitioner
111 E WISCONSIN AVE, SUITE 2000
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720
DR. ANDREW W HARRON D.O.
Radiology (Diagnostic Radiology)
111 E WISCONSIN AVE
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720
WILLIAM T TUCKER M.D.
Emergency Medicine
111 E WISCONSIN AVE
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720
TERRANCE L OTZELBERGER PA-C
Physician Assistant
111 E WISCONSIN AVE
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720
JULIE A BURANOSKY M.D.
Emergency Medicine
111 E WISCONSIN AVE, SUITE 2000
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720
STEVEN S KANTOR M.D.
Emergency Medicine
111 E WISCONSIN AVE
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720

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 Gerwing's NPI number?

The NPI number for Christopher Gerwing is 1134328446. It was assigned to this individual provider in the NPPES registry on July 16, 2007.

Where is Christopher Gerwing located?

Christopher Gerwing practices at 111 E Wisconsin Ave Suite 2000, Milwaukee, WI 53202. The listed phone number is (414) 290-6720.

What is Christopher Gerwing's specialty?

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

Is Christopher Gerwing enrolled in Medicare?

Yes. Christopher Gerwing 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.

What insurance does Christopher Gerwing accept?

Health plans from CareSource (Common Ground Healthcare) list Christopher Gerwing 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 Gerwing affiliated with any hospitals?

According to CMS data, Christopher Gerwing is affiliated with Bellin Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Gerwing was last updated on December 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.