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AARON DANIEL ANDERSEN
NPI 1083889406
Emergency Medicine in Madison, WI

Active since April 27, 2008PECOS EnrolledAccepts Medicare Assignment
600 HIGHLAND AVE, MADISON, WI 53792(608) 262-2398 Get Directions Write a Review

NPPES record last updated: December 16, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 16, 2024, Sep 11, 2024, Nov 17, 2020 and 1 more (4 updates tracked since 2017).

About Aaron Daniel Andersen NPPES

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

AARON DANIEL ANDERSEN (NPI 1083889406) is an individual emergency medicine provider in Madison, Wisconsin, licensed in Wisconsin (54036-20) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and maintains a secondary practice location in Friendship.

NPPES Registry Identity

NPI1083889406
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameAARON DANIEL ANDERSEN
Location Address600 HIGHLAND AVEMadison, WI 53792-2220
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Phone(608) 262-2398
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2008
Enumeration DateApril 27, 2008
Last NPPES UpdateDecember 16, 20244 updates tracked since enumeration
NPPES CertifiedDecember 16, 2024
✔ NPI 1083889406 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in WI · 54036-20
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.
600 HIGHLAND AVE, Madison, WI 53792
Open in Google Maps ↗

Secondary Practice Location 1

Location 1402 W Lake StFriendship, WI 53934-9699 · Phone (608) 339-3331

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Group Health Cooperative-SCW.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

Aaron Daniel Andersen 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 ID4082895727
PECOS Enrollment IDI20110301000047
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

5

Medicare enrollment records show Aaron Andersen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Wisconsin Medical Foundation, Inc
5.0 mi
Multi-Specialty
7974 UW HEALTH COURT
Middleton, WI 53562
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,832 clinicians in this Medicare group
NPI 1598784555 (608) 829-5485
Mercy Health System Corporation
34 mi
General Acute Care Hospital
1000 MINERAL POINT AVE
Janesville, WI 53548
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,155 clinicians in this Medicare group
NPI 1093768962 (608) 756-6000
Lake Country Emergency Physicians
48 mi
Emergency Medicine
791 E SUMMIT AVE
Oconomowoc, WI 53066
  • Reassigned Medicare billing, Wisconsin enrollment
  • 29 clinicians in this Medicare group
NPI 1720060585 (262) 569-0251
Moundview Memorial Hospital & Clinics, Inc.
56 mi
Rural Health
207 N PIONEER PARK RD, UNIT 8
Westfield, WI 53964
  • Reassigned Medicare billing, Wisconsin enrollment
  • 280 clinicians in this Medicare group
NPI 1861829194 (608) 296-6350
Emergency Medical Associates LLP
60 mi
Emergency Medicine
725 AMERICAN AVE, SUITE 5
Waukesha, WI 53188
  • Reassigned Medicare billing, Wisconsin enrollment
  • 30 clinicians in this Medicare group
NPI 1861483190 (262) 928-2475

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.
294 services286 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.
104 services102 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.
62 services62 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.
26 services26 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.
18 services18 patients

Hospital Affiliations CMS Care Compare

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

Waukesha Memorial Hospital

Acute Care Hospitals · Waukesha, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520008
Location725 American AveWaukesha, WI 53188 · Waukesha County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53792 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.

JASON ALAN CHRISTENSEN PHARMD
Pharmacist
600 HIGHLAND AVE, COMPLIANCE MAIL CODE 2433
MADISON, WI 53792
Dane County (608) 662-0817
LAURA JEAN KOPPLIN MD, PHD
Ophthalmology
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-6070
HAGGI MAZEH MD
Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 265-8072
DR. SWAPNIL SUNIL LANJEWAR M.D.
Internal Medicine (Infectious Disease)
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-0946
DR. MATTHEW JAMES HOYT M.D.
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-8100
VANESSA MERCEDES WELTEN MD MPH
Transplant Surgery
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (617) 732-5500
JOHN HENRY NORMAN HARRISON
Anesthesiology
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-8100
PIPPA FROUKTE COSPER MD
Radiology (Radiation Oncology)
600 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-8500

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 Aaron Andersen's NPI number?

The NPI number for Aaron Andersen is 1083889406. It was assigned to this individual provider in the NPPES registry on April 27, 2008.

Where is Aaron Andersen located?

Aaron Andersen practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 262-2398.

What is Aaron Andersen's specialty?

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

Is Aaron Andersen enrolled in Medicare?

Yes. Aaron Andersen 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 Aaron Andersen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Andersen reassigns Medicare benefits to 5 organizations: University Of Wisconsin Medical Foundation, Inc (Middleton, WI), Mercy Health System Corporation (Janesville, WI), Lake Country Emergency Physicians (Oconomowoc, WI), Moundview Memorial Hospital & Clinics, Inc. (Westfield, WI) and Emergency Medical Associates LLP (Waukesha, WI). 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 Aaron Andersen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aaron Andersen accept?

Health plans from Group Health Cooperative-SCW list Aaron Andersen 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 Aaron Andersen affiliated with any hospitals?

According to CMS data, Aaron Andersen is affiliated with Waukesha Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Aaron Andersen was last updated on December 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.