Karen Diane Farris, DO
Family Medicine Physician · Lancaster, WI
Karen Diane Farris, DO is a family medicine physician with a practice address in Lancaster, Wisconsin, and NPI 1568990083, issued on May 29, 2017. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Karen Diane Farris
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 02006114A IN
Self-reported in NPPES; status is on the state search - Practice location
- 105 E Lincoln Ave, Lancaster, WI 53813
- Phone
- (608) 723-3100
- Enumerated
- May 29, 2017
- Record last updated
- May 7, 2025
- Fax
- (866) 560-8783
- Medicaid ID
- 300043033 IN
- Medicare enrollment
- Enrolled (PECOS I20250116000699); accepts Medicare assignment
- Medical or professional school
- Campbell Univ School Of Osteopathic Medicine, 2017
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 105 E Lincoln Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen Diane Farris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family medicine physician in 2024
715 Medicare Part D claims for 72 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Amlodipine Besylate38 claims
- Pantoprazole Sodium38 claims
- Sertraline Hcl33 claims
- Atorvastatin Calcium29 claims
- Losartan Potassium29 claims
- Levothyroxine Sodium27 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 2 group practices
- Grant Regional Health Center IncLancaster, WI
- High Point Family Medicine LLCLancaster, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Diane Farris among 3,765 family medicine physician records in Wisconsin
Karen Diane Farris, DO 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 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2017 · median 2007 among the 2,347 with a school on file
- Record last updated2025 · 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).
12 family medicine physician records list a practice address in Lancaster
They are 12 of the 141 NPPES records with a practice address in Lancaster, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Lancaster → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Casillas Plazola, MDLancaster, WI 538131598228314
- Mark Gedden, DOLancaster, WI 538131619927985
- Erin Huebschman, MDLancaster, WI 538131790740223
- Eli James, MDLancaster, WI 538131669959441
- Sheirlie Lamantia, MDLancaster, WI 538131669676771
- Neil Martin, MDLancaster, WI 538131467891119
- Kimberly Perttu, DOLancaster, WI 538131730314253
- Eric Slane, MDLancaster, WI 538131457362238
Common questions
What is Karen Diane Farris, DO's NPI number?
Karen Diane Farris, DO's National Provider Identifier (NPI) is 1568990083, issued on May 29, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Karen Diane Farris, DO located?
The NPPES record lists a practice address at 105 E Lincoln Ave, Lancaster, WI, 53813. Phone: (608) 723-3100. Providers update this record themselves, so call before visiting.
How can I verify Karen Diane Farris, DO's license?
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 Karen Diane Farris, DO prescribe under Medicare Part D?
In 2024, Karen Diane Farris, DO had 715 Medicare Part D claims for 72 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.