NPPES file of Aug 9, 2026

Mark Glen Bakalars, M.D.

Vascular & Interventional Radiology Physician · Waukesha, WI

Mark Glen Bakalars, M.D. is a vascular & interventional radiology physician with a practice address in Waukesha, Wisconsin, and NPI 1174518724, issued on Sep 20, 2005. Check the license (Wisconsin 40309-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174518724
Name
Mark Glen Bakalars
Credential
M.D.
Primary taxonomy
Vascular & Interventional Radiology Physician 2085R0204X
License number
40309-020 WI
Self-reported in NPPES; status is on the state search
Practice location
725 American Ave, Waukesha, WI 53188
Phone
(262) 928-2400
Enumerated
Sep 20, 2005
Record last updated
Jul 13, 2026
Fax
(262) 928-7621
Medicaid ID
34340500 WI
Medicare enrollment
Enrolled (PECOS I20041013000953); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 725 American Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mikayla Abbeduto, DPTPhysical Therapist1316513955
  2. Zuber Ali, M.D.Cardiovascular Disease Physician1548536204
  3. Heather AvelloneFamily Nurse Practitioner1114499001
  4. Lisa BakerAdult Health Nurse Practitioner1588973275
  5. Melissa Becker, PA-CPhysician Assistant1780132944
  6. Nabeel Beg, M.D.Hospitalist Physician1396771069

Verify Mark Glen Bakalars in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 40309-020
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Prohealth Medical Group IncWaukesha, WI
  2. Radiology Waukesha SCWaukesha, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Glen Bakalars among 114 vascular & interventional radiology physician records in Wisconsin

Mark Glen Bakalars, M.D. is one of 114 vascular & interventional radiology physician records with a practice address in Wisconsin. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated1997 · median 2009 among the 92 with a school on file
  • Record last updated2026 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0204X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular & Interventional Radiology Physician providers in Wisconsin

There are 114 vascular & interventional radiology physician records in Wisconsin.

The 8 vascular & interventional radiology physician records with the nearest ZIP codes

  1. Paul Fox, M.D.Waukesha, WI 531881275529653
  2. Robert Lesniak, M.D.Waukesha, WI 531881407841018
  3. Marc Burrell, M.D.Waukesha, WI 531861033420054
  4. Jordan Kapke, MDWaukesha, WI 531861972965267
  5. Alexander Villalobos, MDMilwaukee, WI 532101114458601
  6. Farzad Rezai, MDMilwaukee, WI 532131124289657
  7. James CostinMilwaukee, WI 532151720617202
  8. Paul Grebe, M.D.Milwaukee, WI 532151295764702

Common questions

What is Mark Glen Bakalars, M.D.'s NPI number?

Mark Glen Bakalars, M.D.'s National Provider Identifier (NPI) is 1174518724, issued on Sep 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Glen Bakalars, M.D. located?

The NPPES record lists a practice address at 725 American Ave, Waukesha, WI, 53188. Phone: (262) 928-2400. Providers update this record themselves, so call before visiting.

How can I verify Mark Glen Bakalars, M.D.'s license?

NPPES lists Wisconsin license number 40309-020, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.