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CHRISTOPHER M. NIELSEN M.D.
NPI 1043280811
Emergency Medicine in Rockford, IL

Active since January 25, 2006PECOS EnrolledAccepts Medicare Assignment
5666 EAST STATE STREET, ROCKFORD, IL 61108(815) 226-2000(608) 826-2710 Get Directions Write a Review

NPPES record last updated: February 10, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Christopher M. Nielsen M.d. NPPES

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

CHRISTOPHER M. NIELSEN M.D. (NPI 1043280811) is an individual emergency medicine provider in Rockford, Illinois, licensed in Illinois (036-126617) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Unitypoint Health - Meriter, and is a graduate of University Of North Dakota School Of Medicine (1999).

NPPES Registry Identity

NPI1043280811
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameCHRISTOPHER M. NIELSENCredential: M.D.
Location Address5666 EAST STATE STREETRockford, IL 61108-2425
Mailing Address5666 East State StreetRockford, IL 61108-2425 · (815) 226-2000 · Fax (608) 826-2710
Phone(815) 226-2000
Fax(608) 826-2710
Sole ProprietorNo
Medical School CMSUniversity Of North Dakota School Of MedicineGraduated 1999
Enumeration DateJanuary 25, 2006
Last NPPES UpdateFebruary 10, 2011
✔ NPI 1043280811 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 · 036-126617✔ Licensed in WI · 44558
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.
5666 EAST STATE STREET, Rockford, IL 61108
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Other Identifiers 4

Medicare UPINF58253
Medicare ID-Type Unspecified002574330
Medicaid34253900WI
Medicare PIN801200004IL

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

Christopher M. Nielsen 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 ID5294886115
PECOS Enrollment IDI20101019000429
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 5

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.
204 services198 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
137 services126 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.
81 services80 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.
47 services47 patients
Emergency department visit with low level of medical decision making 99283
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.
23 services23 patients

Hospital Affiliations CMS Care Compare

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

Unitypoint Health - Meriter

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520089
Location202 S Park StMadison, WI 53715 · Dane County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61108 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
$85.71 typical visit price
range $54.80 – $168.44
Typical copayment $21.42 (range $13.70 – $42.11)
Most-billed visit code 99203
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BRYAN P TULLY M.D.
Internal Medicine
5666 EAST STATE STREET
ROCKFORD, IL 61108
Winnebago County (815) 226-2000
DR. TIMOTHY P COGGIN M.D.
Emergency Medicine
5666 EAST STATE STREET
ROCKFORD, IL 61108
Winnebago County (815) 226-2000
DR. IFTEKHAR Y AHMAD M.D.
Radiology (Radiation Oncology)
5666 EAST STATE STREET
ROCKFORD, IL 61108
Winnebago County (815) 226-2000
BINOY KAMAL M.D.
Internal Medicine
5666 EAST STATE STREET
ROCKFORD, IL 61108
Winnebago County (815) 226-2000
GEORGE T BRYAN JR. MD
Radiology (Radiation Oncology)
5666 EAST STATE STREET
ROCKFORD, IL 61108
Winnebago County (815) 226-2000
AZRA ALI M.D.
Hospitalist
5666 EAST STATE STREET
ROCKFORD, IL 61108
Winnebago County (815) 226-2000
KBCLINIC
Surgery
5666 EAST STATE STREET, AMBULATORY SURGERY CENTER/ DR BLUMOFE
ROCKFORD, IL 61108
Winnebago County (815) 227-2274
SHYLENDRA B SREENIVASAPPA M.D.
Internal Medicine (Medical Oncology)
5666 EAST STATE STREET
ROCKFORD, IL 61108
Winnebago County (815) 226-2000

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 Nielsen's NPI number?

The NPI number for Christopher Nielsen is 1043280811. It was assigned to this individual provider in the NPPES registry on January 25, 2006.

Where is Christopher Nielsen located?

Christopher Nielsen practices at 5666 East State Street, Rockford, IL 61108. The listed phone number is (815) 226-2000.

What is Christopher Nielsen's specialty?

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

Is Christopher Nielsen enrolled in Medicare?

Yes. Christopher Nielsen 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.

Is Christopher Nielsen affiliated with any hospitals?

According to CMS data, Christopher Nielsen is affiliated with Unitypoint Health - Meriter.

When was this NPI record last updated?

The NPPES record for Christopher Nielsen was last updated on February 10, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.