SPENCER GEORGE MARTENS MD
NPI 1487213484
Radiology - Vascular & Interventional Radiology in Milwaukee, WI

Active since June 12, 2019PECOS EnrolledAccepts Medicare Assignment
2900 W OKLAHOMA AVE, MILWAUKEE, WI 53215(414) 649-6000 Get Directions Write a Review

NPPES record last updated: September 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 10, 2025, Jun 19, 2024, Jun 12, 2019 (3 updates tracked since 2019).

About Spencer George Martens Md NPPES

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

SPENCER GEORGE MARTENS MD (NPI 1487213484) is an individual vascular & interventional radiology provider in Milwaukee, Wisconsin, licensed in Wisconsin (85100-20) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Aurora Memorial Hospital Burlington, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1487213484
Entity TypeIndividualMale
Primary Taxonomy2085R0204X
Provider Legal NameSPENCER GEORGE MARTENSCredential: MD
Location Address2900 W OKLAHOMA AVEMilwaukee, WI 53215-4330
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateJune 12, 2019
Last NPPES UpdateSeptember 10, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2025
NPI 1487213484 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyRadiology · Vascular & Interventional RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0204X
License Licensed in WI · 85100-20
Definition
A radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.
Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License 036163712 (IL)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 28488 (FL), 125.075325 (IL)
2900 W OKLAHOMA AVE, Milwaukee, WI 53215

Secondary Practice Locations 2

Location 15841 S Maryland Ave # Mc2026Chicago, IL 60637-1443 · Phone (773) 702-3550
Location 24725 N Federal HwyFort Lauderdale, FL 33308-4668 · Phone (630) 702-9023

Other Identifiers 2

Medicaid100331362WI
Other28488FL · Trn#

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

Spencer George Martens 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 ID8527396860
PECOS Enrollment IDI20250702000973
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 2

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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
48 services47 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
24 services24 patients

Hospital Affiliations CMS Care Compare 5

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

Aurora Memorial Hospital Burlington

Acute Care Hospitals · Burlington, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520059
Location252 Mchenry StBurlington, WI 53105 · Racine County
Emergency services

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

Aurora Medical Center Kenosha

Acute Care Hospitals · Kenosha, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520189
Location10400 75th StKenosha, WI 53142 · Kenosha County
Emergency services Birthing friendly

Aurora Medical Center - Summit

Acute Care Hospitals · Summit, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520206
Location36500 Aurora DriveSummit, WI 53066 · Waukesha 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
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
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.

Clinic/Center (Primary Care)
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Anesthesiology
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Hospitalist
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Nurse Practitioner
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Physician Assistant
2900 W OKLAHOMA AVE, 5TH FLOOR GALLERIA
MILWAUKEE, WI 53215
Nurse Practitioner
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Physical Therapist
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Pharmacist
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215

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 Spencer Martens's NPI number?

The NPI number for Spencer Martens is 1487213484. It was assigned to this individual provider in the NPPES registry on June 12, 2019.

Where is Spencer Martens located?

Spencer Martens practices at 2900 W Oklahoma Ave, Milwaukee, WI 53215. The listed phone number is (414) 649-6000.

What is Spencer Martens's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.

Is Spencer Martens enrolled in Medicare?

Yes. Spencer Martens 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 Spencer Martens accept?

Health plans from CareSource (Common Ground Healthcare) list Spencer Martens 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 Spencer Martens affiliated with any hospitals?

According to CMS data, Spencer Martens is affiliated with Aurora Memorial Hospital Burlington, Aurora St Lukes Medical Center, West Allis Memorial Hospital, Aurora Medical Center Kenosha and Aurora Medical Center - Summit.

When was this NPI record last updated?

The NPPES record for Spencer Martens was last updated on September 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.