Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARK GLEN BAKALARS M.D.
NPI 1174518724
Radiology - Vascular & Interventional Radiology in Waukesha, WI

Active since September 20, 2005PECOS Enrolled
725 AMERICAN AVE, WAUKESHA, WI 53188(262) 928-2400(262) 928-7621 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Mark Glen Bakalars M.d. NPPES

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

DR. MARK GLEN BAKALARS M.D. (NPI 1174518724) is an individual vascular & interventional radiology provider in Waukesha, Wisconsin, licensed in Wisconsin (40309-020) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and is a graduate of Medical College Of Wisconsin (1997).

NPPES Registry Identity

NPI1174518724
Entity TypeIndividualMale
Primary Taxonomy2085R0204X
Provider Legal NameDR. MARK GLEN BAKALARSCredential: M.D.
Location Address725 AMERICAN AVEWaukesha, WI 53188-5031
Mailing Address725 American AveWaukesha, WI 53188-5031 · (262) 928-2400 · Fax (262) 928-7621
Fax(262) 928-7621
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 1997
Enumeration DateSeptember 20, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1174518724 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Vascular & Interventional RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0204X
License Licensed in WI · 40309-020
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.
725 AMERICAN AVE, Waukesha, WI 53188

Other Identifiers 1

Medicaid34340500WI

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

Dr. Mark Glen Bakalars M.d. 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 ID4981678406
PECOS Enrollment IDI20041013000953
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 37

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
2,705 services23 patients
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.
286 services271 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
119 services116 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.
105 services99 patients
Ct scan of chest without contrast 71250
A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.
60 services59 patients
Ct scan of abdomen and pelvis without contrast 74176
A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.
60 services59 patients

Hospital Affiliations CMS Care Compare 4

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

Waukesha Memorial Hospital

Acute Care Hospitals · Waukesha, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520008
Location725 American AveWaukesha, WI 53188 · Waukesha County
Emergency services Birthing friendly

Oconomowoc Memorial Hospital

Acute Care Hospitals · Oconomowoc, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520062
Location791 E Summit AveOconomowoc, WI 53066 · Waukesha County
Emergency services Birthing friendly

Fort Memorial Hospital

Acute Care Hospitals · Fort Atkinson, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number520071
Location611 Sherman Ave EFort Atkinson, WI 53538 · Jefferson County
Emergency services Birthing friendly

Watertown Memorial Hospital

Acute Care Hospitals · Watertown, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520116
Location125 Hospital DriveWatertown, WI 53098 · Dodge County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53188 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.

Social Worker (Clinical)
725 AMERICAN AVE
WAUKESHA, WI 53188
Anesthesiology
725 AMERICAN AVE
WAUKESHA, WI 53188
Nurse Practitioner (Obstetrics & Gynecology)
725 AMERICAN AVE, PROHEALTH CARE WOMEN'S CENTER
WAUKESHA, WI 53188
Physician Assistant
725 AMERICAN AVE
WAUKESHA, WI 53188
Anesthesiology
725 AMERICAN AVE
WAUKESHA, WI 53188
Nurse Practitioner (Neonatal)
725 AMERICAN AVE
WAUKESHA, WI 53188
Nurse Practitioner (Acute Care)
725 AMERICAN AVE
WAUKESHA, WI 53188
Nurse Practitioner (Neonatal)
725 AMERICAN AVE
WAUKESHA, WI 53188

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 Bakalars's NPI number?

The NPI number for Mark Bakalars is 1174518724. It was assigned to this individual provider in the NPPES registry on September 20, 2005.

Where is Mark Bakalars located?

Mark Bakalars practices at 725 American Ave, Waukesha, WI 53188. The listed phone number is (262) 928-2400.

What is Mark Bakalars's specialty?

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

Is Mark Bakalars enrolled in Medicare?

Yes. Mark Bakalars 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 Bakalars accept?

Health plans from CareSource (Common Ground Healthcare) and Group Health Cooperative-SCW list Mark Bakalars 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 Bakalars affiliated with any hospitals?

According to CMS data, Mark Bakalars is affiliated with Waukesha Memorial Hospital, Oconomowoc Memorial Hospital, Fort Memorial Hospital and Watertown Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Mark Bakalars was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days 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.