Lauren M. Mixtacki, M.D.
Family Medicine Physician · Janesville, WI
Lauren M. Mixtacki, M.D. is a family medicine physician with a practice address in Janesville, Wisconsin, and NPI 1790171254, issued on Apr 11, 2015. Check the license (Wisconsin 67232-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Lauren M. Mixtacki
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 67232-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1021 Mineral Point Ave, Janesville, WI 53548
- Phone
- (608) 268-6211
- Enumerated
- Apr 11, 2015
- Record last updated
- Jun 4, 2026
- Medicare enrollment
- Enrolled (PECOS I20180918003542); may accept Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Verify Lauren M. Mixtacki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 67232-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average family medicine physician in 2024
1,805 Medicare Part D claims for 149 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 47 claims were for opioids.
Most prescribed
- Levothyroxine Sodium93 claims
- Atorvastatin Calcium92 claims
- Amlodipine Besylate85 claims
- Gabapentin80 claims
- Omeprazole70 claims
- Lisinopril64 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Lauren M. Mixtacki among 3,765 family medicine physician records in Wisconsin
Lauren M. Mixtacki, M.D. 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. Its NPI, issued in 2015, is newer than 76% of them.
- NPI issued2015 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2015 · median 2007 among the 2,347 with a school on file
- Record last updated2026 · 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).
73 family medicine physician records list a practice address in Janesville
They are 73 of the 1,538 NPPES records with a practice address in Janesville, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Janesville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Marlise Davidson-Fiedler, MDJanesville, WI 535481528590908
- Jennifer Hussli, MDJanesville, WI 535481366515660
- Jean Ibric, M.D.Janesville, WI 535481871608356
- Bryan Ikeudenta, MDJanesville, WI 535481881270627
- William Kinderknecht, DOJanesville, WI 535481821407644
- Stephen Lindahl, MDJanesville, WI 535481114093408
- Kayla Miller, MDJanesville, WI 535481760969554
- Jason Moen, MDJanesville, WI 535481588152714
Common questions
What is Lauren M. Mixtacki, M.D.'s NPI number?
Lauren M. Mixtacki, M.D.'s National Provider Identifier (NPI) is 1790171254, issued on Apr 11, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Lauren M. Mixtacki, M.D. located?
The NPPES record lists a practice address at 1021 Mineral Point Ave, Janesville, WI, 53548. Phone: (608) 268-6211. Providers update this record themselves, so call before visiting.
How can I verify Lauren M. Mixtacki, M.D.'s license?
NPPES lists Wisconsin license number 67232-20, 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.
How much does Lauren M. Mixtacki, M.D. prescribe under Medicare Part D?
In 2024, Lauren M. Mixtacki, M.D. had 1,805 Medicare Part D claims for 149 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions 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.
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.