DR. MARK R KROLL D.O.
NPI 1124030499
Emergency Medicine in Green Bay, WI

Q: What is Mark Kroll's NPI number?

The NPI number for Mark Kroll is 1124030499. It was assigned to this individual provider in the NPPES registry on August 13, 2006.

Q: What is Mark Kroll's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mark Kroll was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since August 13, 2006PECOS EnrolledAccepts Medicare Assignment

2253 W MASON ST, GREEN BAY, WI 54303(920) 327-7000 Get Directions Write a Review

NPPES record last updated: May 19, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 19, 2026, Mar 18, 2026, Apr 11, 2024 and 1 more (4 updates tracked since 2020).

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About Dr. Mark R Kroll D.o. NPPES

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

DR. MARK R KROLL D.O. (NPI 1124030499) is an individual emergency medicine provider in Green Bay, Wisconsin, licensed in Wisconsin (30436-21) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Aurora Baycare Medical Ctr, and is a graduate of Des Moines University Of Osteopathic Medicine And Health Sciences (1988).

NPPES Registry Identity

NPI1124030499

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. MARK R KROLLCredential: D.O.

Location Address2253 W MASON STGreen Bay, WI 54303-4706

Mailing Address2864 Sussex RdGreen Bay, WI 54311-7475 · (920) 680-8000

Phone(920) 327-7000

Sole ProprietorNo

Medical School CMSDes Moines University Of Osteopathic Medicine And Health SciencesGraduated 1988

Enumeration DateAugust 13, 2006

Last NPPES UpdateMay 19, 20264 updates tracked since enumeration

NPPES CertifiedMay 19, 2026

✔ NPI 1124030499 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in WI · 30436-21

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 ListedFamily MedicineTaxonomy 207Q00000X · License 30436-21 (WI)

2253 W MASON ST, Green Bay, WI 54303

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Other Identifiers 1

Medicaid30049600WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare), HealthPartners, Network Health.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

Dr. Mark R Kroll 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 ID5395804025

PECOS Enrollment IDI20081110000356

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

52 services49 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.

28 services27 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

12 services12 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

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 54303 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.

NICOLE L LOWE APNP

Nurse Practitioner

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7300

BRAD J LAVALLIE OD

Optometrist

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7000

HEIDI KATHRYN BERGMAN PT, DPT

Physical Therapist

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 288-4712

JULIE A MAGNIN M.D.

Family Medicine

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7300

CLINTON B OLSON MD

Family Medicine

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7300

NICHOLAS JAMES HEEZEN D.O.

Internal Medicine

2253 W MASON ST, SUITE 200
GREEN BAY, WI 54303

Brown County (920) 327-7300

SHANNA M SEBERO APNP

Nurse Practitioner

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7300

DR. WILLIAM JOSEPH REYNDERS M.D.

Ophthalmology

2253 W MASON ST
GREEN BAY, WI 54303

Brown County (920) 327-7000

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 Mark Kroll's NPI number?

The NPI number for Mark Kroll is 1124030499. It was assigned to this individual provider in the NPPES registry on August 13, 2006.

Where is Mark Kroll located?

Mark Kroll practices at 2253 W Mason St, Green Bay, WI 54303. The listed phone number is (920) 327-7000.

What is Mark Kroll's specialty?

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

Is Mark Kroll enrolled in Medicare?

Yes. Mark Kroll 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 Mark Kroll accept?

Health plans from CareSource (Common Ground Healthcare), HealthPartners and Network Health list Mark Kroll 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 Mark Kroll affiliated with any hospitals?

According to CMS data, Mark Kroll is affiliated with Aurora Baycare Medical Ctr.

When was this NPI record last updated?

The NPPES record for Mark Kroll was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.