NPPES file of Aug 9, 2026

Mark R. Dvorak, CRNA

Certified Registered Nurse Anesthetist · Lake Geneva, WI

Mark R. Dvorak, CRNA is a certified registered nurse anesthetist with a practice address in Lake Geneva, Wisconsin, and NPI 1699750661, issued on Dec 13, 2005. Check the license (Wisconsin 104604-030, as entered in NPPES) with the Wisconsin board that licenses this profession; 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
1699750661
Name
Mark R. Dvorak
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
104604-030 WI
1149-33 WI
Self-reported in NPPES; status is on the state search
Practice location
N2950 State Road 67, Lake Geneva, WI 53147
Phone
(262) 245-4990
Enumerated
Dec 13, 2005
Record last updated
Jun 13, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(262) 245-2248
Medicaid IDs
1699750661 WI
43372600 WI
Medicare enrollment
Enrolled (PECOS I20100507000807); accepts Medicare assignment
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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8 nearest certified registered nurse anesthetist records → All 1,241 in Wisconsin → Look up another NPI →

Also registered at N2950 State Road 67

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

  1. Mary Anderson, MDObstetrics & Gynecology Physician1487662060
  2. Anshul Bamrolia, MDHematology & Oncology Physician1942361662
  3. Hamik Biramian, DOEmergency Medicine Physician1689817488
  4. Andrea Boeckman, MDObstetrics & Gynecology Physician1194882514
  5. Ashley Boro, OTOccupational Therapist1013421908
  6. Kenneth Bortin, MDCardiovascular Disease Physician1861554743

Verify Mark R. Dvorak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 104604-030    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
Find 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 one group practice

  1. Mercy Health System CorporationLake Geneva, WI

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

Mark R. Dvorak among 1,241 certified registered nurse anesthetist records in Wisconsin

Mark R. Dvorak, CRNA is one of 1,241 certified registered nurse anesthetist records with a practice address in Wisconsin. 76% 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, 91% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated1986 · median 2013 among the 932 with a school on file
  • Record last updated2016 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Certified Registered Nurse Anesthetist providers in Wisconsin

There are 1,241 certified registered nurse anesthetist records in Wisconsin.

All 1,241 in Wisconsin → Every provider in Lake Geneva → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Samuel Cannon, CRNALake Geneva, WI 531471831432996
  2. Claudia Peterson, CRNALake Geneva, WI 531471265440838
  3. Kelly Tesser, RNMukwonago, WI 531491174830152
  4. Theresa Aschenbrener, C.R.N.A.Kenosha, WI 531431275518276
  5. Rebecca Mauck, CRNAKenosha, WI 531431629219944
  6. Sara Bekker, CRNAKenosha, WI 531421316660756
  7. Rebecca BurchiKenosha, WI 531421700494689
  8. Ariel DimitrijevicKenosha, WI 531421518586965

Common questions

What is Mark R. Dvorak, CRNA's NPI number?

Mark R. Dvorak, CRNA's National Provider Identifier (NPI) is 1699750661, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark R. Dvorak, CRNA located?

The NPPES record lists a practice address at N2950 State Road 67, Lake Geneva, WI, 53147. Phone: (262) 245-4990. Providers update this record themselves, so call before visiting.

How can I verify Mark R. Dvorak, CRNA's license?

NPPES lists Wisconsin license number 104604-030, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.