SARAH KATHERINE DIMEZZA MD
NPI 1861985988
Emergency Medicine in Green Bay, WI

Active since June 13, 2018PECOS EnrolledAccepts Medicare Assignment
2845 GREENBRIER RD, GREEN BAY, WI 54311(920) 288-8000(920) 288-4067 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Apr 21, 2026, Aug 24, 2021, Feb 12, 2019 and 1 more (4 updates tracked since 2018).

About Sarah Katherine Dimezza Md NPPES

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

SARAH KATHERINE DIMEZZA MD (NPI 1861985988) is an individual emergency medicine provider in Green Bay, Wisconsin, licensed in Wisconsin (74749) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Aurora Medical Ctr Manitowoc County, and maintains a secondary practice location in Kalamazoo.

NPPES Registry Identity

NPI1861985988
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameSARAH KATHERINE DIMEZZACredential: MD
Location Address2845 GREENBRIER RDGreen Bay, WI 54311-6519
Mailing Address1035 Kepler DrGreen Bay, WI 54311-8320 · (920) 490-9046 · Fax (920) 405-8005
Fax(920) 288-4067
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2018
Enumeration DateJune 13, 2018
Last NPPES UpdateApril 21, 20264 updates tracked since enumeration
NPPES CertifiedApril 21, 2026
NPI 1861985988 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 · 74749
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.

2845 GREENBRIER RD, Green Bay, WI 54311

Other Names 1

Former Name (1)Sarah K Gray Md

Secondary Practice Location 1

Location 11000 Oakland DrKalamazoo, MI 49008-1282 · Phone (269) 337-6600 · Fax (269) 337-6475

Accepted 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

Sarah Katherine Dimezza Md 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 ID446505895
PECOS Enrollment IDI20210827001660
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.
82 services77 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.
54 services53 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.
25 services25 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.
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.

Aurora Medical Ctr Manitowoc County

Acute Care Hospitals · Two Rivers, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number520034
Location5000 Memorial DriveTwo Rivers, WI 54241 · Manitowoc County
Emergency services Birthing friendly

Bay Area Medical Center

Acute Care Hospitals · Marinette, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520113
Location3003 University DrMarinette, WI 54143 · Marinette County
Emergency services Birthing friendly

Aurora Baycare Medical Ctr

Acute Care Hospitals · Green Bay, WI
5/5 CMS rating
OwnershipProprietary
CMS Certification Number520193
Location2845 Greenbrier RdGreen Bay, WI 54311 · Brown County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54311 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.

Genetic Counselor, MS
2845 GREENBRIER RD
GREEN BAY, WI 54311
Internal Medicine (Pulmonary Disease)
2845 GREENBRIER RD
GREEN BAY, WI 54311
Nurse Practitioner
2845 GREENBRIER RD, 1ST FL
GREEN BAY, WI 54311
Radiology (Diagnostic Ultrasound)
2845 GREENBRIER RD
GREEN BAY, WI 54311
Emergency Medicine
2845 GREENBRIER RD
GREEN BAY, WI 54311
Anesthesiology
2845 GREENBRIER RD
GREEN BAY, WI 54311
Anesthesiology
2845 GREENBRIER RD
GREEN BAY, WI 54311
Preventive Medicine (Undersea and Hyperbaric Medicine)
2845 GREENBRIER RD
GREEN BAY, WI 54311

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 Sarah Dimezza's NPI number?

The NPI number for Sarah Dimezza is 1861985988. It was assigned to this individual provider in the NPPES registry on June 13, 2018.

Where is Sarah Dimezza located?

Sarah Dimezza practices at 2845 Greenbrier Rd, Green Bay, WI 54311. The listed phone number is (920) 288-8000.

What is Sarah Dimezza's specialty?

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

Is Sarah Dimezza enrolled in Medicare?

Yes. Sarah Dimezza 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 Sarah Dimezza accept?

Health plans from CareSource (Common Ground Healthcare) list Sarah Dimezza 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 Sarah Dimezza affiliated with any hospitals?

According to CMS data, Sarah Dimezza is affiliated with Aurora Medical Ctr Manitowoc County, Bay Area Medical Center and Aurora Baycare Medical Ctr.

When was this NPI record last updated?

The NPPES record for Sarah Dimezza was last updated on April 21, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.