Marta Lois Lasater, MD
Family Medicine Physician · Osseo, WI
Marta Lois Lasater, MD is a family medicine physician with a practice address in Osseo, Wisconsin, and NPI 1336404243, issued on Jul 6, 2012. Check the license (Wisconsin 64336, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Marta Lois Lasater
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 64336 WI
Self-reported in NPPES; status is on the state search - Practice location
- 13025 8TH St, Osseo, WI 54758
- Phone
- (715) 838-5222
- Enumerated
- Jul 6, 2012
- Record last updated
- Feb 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150904002197); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 2012
- Entity
- Type 1 · individual
Also registered at 13025 8TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mikayla Afdahl, PTPhysical Therapist1790518959
- Sarah Brown, RDN CDRegistered Dietitian1750173282
- Venkata Srihari Buddhavarapu, M.D.Hospitalist Physician1588061766
- Sandy Dahl, PAPhysician Assistant1366408791
- Brandt Freitag, PAPhysician Assistant1184684540
- Jeffrey Frieburg, PTPhysical Therapist1609907286
Verify Marta Lois Lasater in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 64336Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average family medicine physician in 2024
3,742 Medicare Part D claims for 329 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 132 claims were for opioids.
Most prescribed
- Atorvastatin Calcium270 claims
- Losartan Potassium168 claims
- Levothyroxine Sodium146 claims
- Amlodipine Besylate130 claims
- Lisinopril129 claims
- Metoprolol Tartrate104 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.
Bills Medicare through one group practice
- Mayo Clinic Health System-Northwest Wisconsin Region IncOsseo, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
7 family medicine physician records list a practice address in Osseo
They are 7 of the 69 NPPES records with a practice address in Osseo, and 3,765 family medicine physician records in Wisconsin.
All 7 in Osseo → All 3,765 in Wisconsin → Every provider in Osseo →
Other family medicine physician records in Wisconsin
- Ashraf AbbasAppleton, WI1558723775
- Ghudran Abdulal, MDNew Berlin, WI1083622666
- Yusuf Abdullah, DOSun Prairie, WI1437788478
- Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
- Emily Abeyta, MDWaukesha, WI1386905107
- Jeanette Abraham, MDWeston, WI1205895810
- Sarada Abraham, M.D.Oconomowoc, WI1962851972
- Kirsten Abramson, MDMadison, WI1417909979
- Alexandra Adams, MD PHDMadison, WI1184689291
- David AdamsMadison, WI1992986897
Common questions
What is Marta Lois Lasater, MD's NPI number?
Marta Lois Lasater, MD's National Provider Identifier (NPI) is 1336404243, issued on Jul 6, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Marta Lois Lasater, MD located?
The NPPES record lists a practice address at 13025 8TH St, Osseo, WI, 54758. Phone: (715) 838-5222. Providers update this record themselves, so call before visiting.
How can I verify Marta Lois Lasater, MD's license?
NPPES lists Wisconsin license number 64336, 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 Marta Lois Lasater, MD prescribe under Medicare Part D?
In 2024, Marta Lois Lasater, MD had 3,742 Medicare Part D claims for 329 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.