Britton W. Kolar, MD
Family Medicine Physician · Lake Geneva, WI
Britton W. Kolar, MD is a family medicine physician with a practice address in Lake Geneva, Wisconsin, and NPI 1114076486, issued on Jan 9, 2007. Check the license (Wisconsin 21447, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Britton W. Kolar
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 21447 WI
Self-reported in NPPES; status is on the state search - Practice location
- 146 E Geneva SQ, Lake Geneva, WI 53147
- Phone
- (262) 249-5000
- Enumerated
- Jan 9, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 30197900 WI
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 146 E Geneva SQ
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nancy Asencio, APNPNurse Practitioner1962410530
- Austin Bacchus, M.D.Family Medicine Physician1225258171
- Ellen Barnstable, MDDermatology Physician1053948562
- Justine Benin, D.O.Family Medicine Physician1942541362
- Shashi Bhushan, MDInternal Medicine Physician1689774101
Verify Britton W. Kolar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 21447Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Britton W. Kolar among 3,765 family medicine physician records in Wisconsin
Britton W. Kolar, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 41% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 family medicine physician records list a practice address in Lake Geneva
They are 23 of the 366 NPPES records with a practice address in Lake Geneva, and 3,765 family medicine physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,765 in Wisconsin → Every provider in Lake Geneva → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Austin Bacchus, M.D.Lake Geneva, WI 531471225258171
- Justine Benin, D.O.Lake Geneva, WI 531471942541362
- Norbert Debiase, MDLake Geneva, WI 531471497959779
- Greg Gerber, MDLake Geneva, WI 531471831204916
- Volha Haliantava, M.D.Lake Geneva, WI 531471598008351
- Andrew MeyerLake Geneva, WI 531471801069091
- Andrew Morton, MDLake Geneva, WI 531471619242005
- Gary Myron, M.D.Lake Geneva, WI 531471386773174
Common questions
What is Britton W. Kolar, MD's NPI number?
Britton W. Kolar, MD's National Provider Identifier (NPI) is 1114076486, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Britton W. Kolar, MD located?
The NPPES record lists a practice address at 146 E Geneva SQ, Lake Geneva, WI, 53147. Phone: (262) 249-5000. Providers update this record themselves, so call before visiting.
How can I verify Britton W. Kolar, MD's license?
NPPES lists Wisconsin license number 21447, 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. 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.