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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JEFFREY R. NICHOLS DO
NPI 1316334683
Emergency Medicine in Janesville, WI

Active since April 23, 2015PECOS EnrolledAccepts Medicare Assignment
1000 MINERAL POINT AVE, JANESVILLE, WI 53548(608) 756-6611(608) 756-6177 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 29, 2026, Sep 12, 2018, Aug 27, 2018 (3 updates tracked since 2018).

About Jeffrey R. Nichols Do NPPES

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

JEFFREY R. NICHOLS DO (NPI 1316334683) is an individual emergency medicine provider in Janesville, Wisconsin, licensed in Wisconsin (69172-21) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Mercy Health System Corp, and maintains a secondary practice location in Peoria.

NPPES Registry Identity

NPI1316334683
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJEFFREY R. NICHOLSCredential: DO
Location Address1000 MINERAL POINT AVEJanesville, WI 53548
Mailing Address1000 Mineral Point AveJanesville, WI 53548-2940 · (608) 756-6611 · Fax (608) 756-6177
Phone(608) 756-6611
Fax(608) 756-6177
Sole ProprietorNo
Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 2015
Enumeration DateApril 23, 2015
Last NPPES UpdateSeptember 29, 20263 updates tracked since enumeration
✔ NPI 1316334683 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in WI · 69172-21✔ Licensed in IL · 036-144477
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1000 MINERAL POINT AVE, Janesville, WI 53548
Open in Google Maps ↗

Secondary Practice Location 1

Location 1530 NE Glen Oak Ave # Sfnb2624Peoria, IL 61637-0001 · Phone (309) 655-6710 · Fax (309) 624-9887

Other Identifiers 4

OtherK400494086WI · Wi Medicare
Other1316334683WI · Bcbswi
Medicaid1316334683WI
Other4919WI · Mercycare Insurance

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Jeffrey R. Nichols Do 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 ID4385958065
PECOS Enrollment IDI20180822001980, I20260206001925
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

3

Medicare enrollment records show Jeffrey Nichols reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mercy Health System Corporation
0.1 mi
Mental Health (Including Community Mental Health Center)
903 MINERAL POINT AVE
Janesville, WI 53548
  • Reassigned Medicare billing, Wisconsin and Illinois enrollments
  • Also billed through NPI 1598718603 (Illinois), NPI 1699728550 (Wisconsin)
  • 1,155 clinicians in this Medicare group
NPI 1669685129 (608) 756-5555
Rockford Health Physicians
26 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
Mercy Harvard Hospital Inc
28 mi
Critical Access
901 GRANT ST
Harvard, IL 60033
  • Reassigned Medicare billing, Illinois enrollment
  • 382 clinicians in this Medicare group
NPI 1427001445 (815) 943-5431

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 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.
108 services103 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.
77 services74 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.
45 services41 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.
13 services13 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
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.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Mercy Health System Corp

Acute Care Hospitals · Janesville, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520066
Location1000 Mineral Point AveJanesville, WI 53548 · Rock County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53548 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.

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.

BENJAMIN C. MILLER PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Rock County (608) 756-6508
KARINA LAURA PAULIUS QUINN MD
Plastic Surgery
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Rock County (608) 756-6000
ALESIA L DRAKE DPT, PT
Physical Therapist
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Rock County (608) 756-6842
PAULINE R CASS PHARMD
Pharmacist
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Rock County (608) 756-6000
KAREN SAUNDERS OT
Occupational Therapist
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Rock County (608) 756-6000
DR. MERLE S RUST MD
Neurological Surgery
1000 MINERAL POINT AVE, MERCY WEST NEUROSURGERY
JANESVILLE, WI 53548
Rock County (608) 756-6826
DR. MICHAEL V COOGAN MD
Emergency Medicine (Medical Toxicology)
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Rock County (608) 756-6000
CHRISTOPHER B GOODAVISH PA
Physician Assistant
1000 MINERAL POINT AVE
JANESVILLE, WI 53548
Rock County (608) 756-6868

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 Jeffrey Nichols's NPI number?

The NPI number for Jeffrey Nichols is 1316334683. It was assigned to this individual provider in the NPPES registry on April 23, 2015.

Where is Jeffrey Nichols located?

Jeffrey Nichols practices at 1000 Mineral Point Ave, Janesville, WI 53548. The listed phone number is (608) 756-6611.

What is Jeffrey Nichols's specialty?

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

Is Jeffrey Nichols enrolled in Medicare?

Yes. Jeffrey Nichols 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 Jeffrey Nichols's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Nichols reassigns Medicare benefits to 3 organizations: Mercy Health System Corporation (Janesville, WI), Rockford Health Physicians (Rockford, IL) and Mercy Harvard Hospital Inc (Harvard, IL). 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 Jeffrey Nichols's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jeffrey Nichols accept?

Health plans from Anthem Blue Cross and Blue Shield list Jeffrey Nichols 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 Jeffrey Nichols affiliated with any hospitals?

According to CMS data, Jeffrey Nichols is affiliated with Mercy Health System Corp.

When was this NPI record last updated?

The NPPES record for Jeffrey Nichols was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days 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.