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DR. MARCUS DANIEL FAZZARI D.O.
NPI 1275067480
Emergency Medicine in Eau Claire, WI

Active since April 13, 2017PECOS EnrolledAccepts Medicare Assignment
1400 BELLINGER ST, EAU CLAIRE, WI 54703(715) 838-5222 Get Directions Write a Review

NPPES record last updated: April 4, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 4, 2024, Mar 8, 2024, Jan 4, 2022 and 2 more (5 updates tracked since 2017).

About Dr. Marcus Daniel Fazzari D.o. NPPES

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

DR. MARCUS DANIEL FAZZARI D.O. (NPI 1275067480) is an individual emergency medicine provider in Eau Claire, Wisconsin, licensed in Wisconsin (74679) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Health System Eau Claire Hospital, and maintains a secondary practice location in Eau Claire.

NPPES Registry Identity

NPI1275067480
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MARCUS DANIEL FAZZARICredential: D.O.
Location Address1400 BELLINGER STEau Claire, WI 54703-5222
Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511
Phone(715) 838-5222
Sole ProprietorNo
Medical School CMSPacific Nw Un Of Hs, Col Of Osteopathic MedicineGraduated 2017
Enumeration DateApril 13, 2017
Last NPPES UpdateApril 4, 20245 updates tracked since enumeration
NPPES CertifiedApril 4, 2024
✔ NPI 1275067480 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 · 74679✔ Licensed in MI · 5101025210
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
1400 BELLINGER ST, Eau Claire, WI 54703
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Secondary Practice Location 1

Location 1900 W Clairemont AveEau Claire, WI 54701-6122 · Phone (715) 717-4222

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

Dr. Marcus Daniel Fazzari D.o. 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 ID8022389477
PECOS Enrollment IDI20210428001540
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

4

Medicare enrollment records show Marcus Fazzari reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mayo Clinic Health System-Northwest Wisconsin Region, Inc.
1.4 mi
Multi-Specialty
733 W CLAIREMONT AVE
Eau Claire, WI 54701
NPI 1235588831 (715) 838-5222
Mayo Clinic Health System-Southwest Wisconsin Region, Inc.
69 mi
Critical Access
310 W MAIN ST
Sparta, WI 54656
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1629056049 (Wisconsin)
  • 336 clinicians in this Medicare group
NPI 1841278637 (608) 269-2132
Beacon Kalamazoo Inc
336 mi
Hospitalist
411 NAOMI ST
Plainwell, MI 49080
  • Reassigned Medicare billing, Michigan enrollment
  • Medicare enrollment name: Ascension Borgess Hospital
  • 247 clinicians in this Medicare group
NPI 1821045212 (269) 685-6811
Beacon Medical Group Michigan Inc
345 mi
Internal Medicine
1717 SHAFFER ST, STE 124
Kalamazoo, MI 49048
  • Reassigned Medicare billing, Michigan enrollment
  • Medicare enrollment name: Ascension Medical Group Promed
  • 465 clinicians in this Medicare group
NPI 1720009954 (269) 344-5552

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.
147 services141 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.
88 services86 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.
43 services43 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
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.
12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Mayo Clinic Health System Eau Claire Hospital

Acute Care Hospitals · Eau Claire, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520070
Location1221 Whipple StEau Claire, WI 54703 · Eau Claire County
Emergency services Birthing friendly

Mayo Clinic Health System-Northland

Critical Access Hospitals · Barron, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number521315
Location1222 E Woodland AveBarron, WI 54812 · Barron County
Emergency services

Mayo Clinic Health System-Red Cedar Inc

Critical Access Hospitals · Menomonie, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number521340
Location2321 Stout RdMenomonie, WI 54751 · Dunn County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54703 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.

ELLEN A CHRISTENSEN OT
Occupational Therapist
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-5222
JESSICA ERIN ROETS OT
Occupational Therapist
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-5222
SUZANNE M STEWART LPC
Counselor (Professional)
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-5222
KATHRYN LEIGH OLSON MHA, RD, LDN,CDE
Dietitian, Registered
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-5222
CAMILLA MICHELLE NELSON MD
Pediatrics
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-5222
SARAH HOTOVY MD
Family Medicine
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-3311
JADE ELLIE JEHN
Occupational Therapist
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-5222
ANDREA AGUAYO PHARMD
Pharmacist
1400 BELLINGER ST
EAU CLAIRE, WI 54703
Eau Claire County (715) 838-5222

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 Marcus Fazzari's NPI number?

The NPI number for Marcus Fazzari is 1275067480. It was assigned to this individual provider in the NPPES registry on April 13, 2017.

Where is Marcus Fazzari located?

Marcus Fazzari practices at 1400 Bellinger St, Eau Claire, WI 54703. The listed phone number is (715) 838-5222.

What is Marcus Fazzari's specialty?

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

Is Marcus Fazzari enrolled in Medicare?

Yes. Marcus Fazzari 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 Marcus Fazzari's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marcus Fazzari reassigns Medicare benefits to 4 organizations: Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (Eau Claire, WI), Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (Sparta, WI), Beacon Kalamazoo Inc (Plainwell, MI) and Beacon Medical Group Michigan Inc (Kalamazoo, MI). 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 Marcus Fazzari's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Marcus Fazzari affiliated with any hospitals?

According to CMS data, Marcus Fazzari is affiliated with Mayo Clinic Health System Eau Claire Hospital, Mayo Clinic Health System-Northland and Mayo Clinic Health System-Red Cedar Inc.

When was this NPI record last updated?

The NPPES record for Marcus Fazzari was last updated on April 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.