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DR. BRADLEY JOSEPH MAERZ MD
NPI 1780264580
Emergency Medicine in Milwaukee, WI

Active since April 14, 2021PECOS EnrolledAccepts Medicare Assignment
2900 W OKLAHOMA AVE, MILWAUKEE, WI 53215(414) 649-7299 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 4, 2025, May 3, 2024, Apr 14, 2021 (3 updates tracked since 2021).

About Dr. Bradley Joseph Maerz Md NPPES

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

DR. BRADLEY JOSEPH MAERZ MD (NPI 1780264580) is an individual emergency medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (81885-20) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Bay Area Medical Center, and is a graduate of University Of Wisconsin School Of Medicine (2021).

NPPES Registry Identity

NPI1780264580
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. BRADLEY JOSEPH MAERZCredential: MD
Location Address2900 W OKLAHOMA AVEMilwaukee, WI 53215-4330
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Phone(414) 649-7299
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2021
Enumeration DateApril 14, 2021
Last NPPES UpdateNovember 4, 20253 updates tracked since enumeration
NPPES CertifiedNovember 4, 2025
✔ NPI 1780264580 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 · 81885-20
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.
2900 W OKLAHOMA AVE, Milwaukee, WI 53215
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Other Identifiers 1

Medicaid100223114WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).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. Bradley Joseph Maerz 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 ID2163829102
PECOS Enrollment IDI20240520002930
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.

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.
110 services102 patients
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.
102 services100 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.
17 services17 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.
16 services16 patients

Hospital Affiliations CMS Care Compare 3

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

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 St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520138
Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County
Emergency services Birthing friendly

West Allis Memorial Hospital

Acute Care Hospitals · West Allis, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520139
Location8901 W Lincoln AveWest Allis, WI 53227 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53215 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.

MUHAMMAD AKBAR MD LLC
Clinic/Center (Primary Care)
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 365-3210
DR. JEFFREY T LYVERS M.D.
Anesthesiology
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-6000
RANA MOHAMMED AL RUBAYE MD
Hospitalist
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-6000
JESSICA MCDOWELL
Nurse Practitioner
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-5279
MARA STASIK PA-C
Physician Assistant
2900 W OKLAHOMA AVE, 5TH FLOOR GALLERIA
MILWAUKEE, WI 53215
Milwaukee County (414) 646-2550
SARAH J PARVE NP
Nurse Practitioner
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-6000
DR. RILEY MARINELLI PT, DPT
Physical Therapist
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-6011
ASHLEY MARIE ALTER PHARMD
Pharmacist
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-6930

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 Bradley Maerz's NPI number?

The NPI number for Bradley Maerz is 1780264580. It was assigned to this individual provider in the NPPES registry on April 14, 2021.

Where is Bradley Maerz located?

Bradley Maerz practices at 2900 W Oklahoma Ave, Milwaukee, WI 53215. The listed phone number is (414) 649-7299.

What is Bradley Maerz's specialty?

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

Is Bradley Maerz enrolled in Medicare?

Yes. Bradley Maerz 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 Bradley Maerz accept?

Health plans from CareSource (Common Ground Healthcare) list Bradley Maerz 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 Bradley Maerz affiliated with any hospitals?

According to CMS data, Bradley Maerz is affiliated with Bay Area Medical Center, Aurora St Lukes Medical Center and West Allis Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Bradley Maerz was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.