Louis Steve Seno, MD
Family Medicine Physician · Mequon, WI
Louis Steve Seno, MD is a family medicine physician with a practice address in Mequon, Wisconsin, and NPI 1376650564, issued on Aug 24, 2006. Check the license (Wisconsin 20090, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Louis Steve Seno
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20090 WI
Self-reported in NPPES; status is on the state search - Practice location
- 12203 Corporate Pkwy, Mequon, WI 53092
- Phone
- (262) 387-8200
- Enumerated
- Aug 24, 2006
- Record last updated
- Nov 24, 2025
- Fax
- (262) 387-8271
- Medicaid ID
- 30170500 WI
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 12203 Corporate Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Louis Steve Seno in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 20090Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average family medicine physician in 2024
1,236 Medicare Part D claims for 161 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Metoprolol Succinate63 claims
- Atorvastatin Calcium56 claims
- Pantoprazole Sodium55 claims
- Lisinopril46 claims
- Allopurinol43 claims
- Levothyroxine Sodium40 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.
Louis Steve Seno among 3,765 family medicine physician records in Wisconsin
Louis Steve Seno, 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. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- 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).
26 family medicine physician records list a practice address in Mequon
They are 26 of the 1,048 NPPES records with a practice address in Mequon, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Mequon → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nicola Charlton, M.D.Mequon, WI 530921326050436
- Robert Frank, MDMequon, WI 530921659303899
- Michael Gerard, MDMequon, WI 530921598742652
- Richard Lewis, M.D.Mequon, WI 530921306819305
- Gary Lewis, MDThiensville, WI 530921194762765
- Paul Mankus, MDMequon, WI 530921639131998
- Anne Mattson, MDMequon, WI 530921598799496
- Larisa Mazur, MDThiensville, WI 530921861565202
Common questions
What is Louis Steve Seno, MD's NPI number?
Louis Steve Seno, MD's National Provider Identifier (NPI) is 1376650564, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Louis Steve Seno, MD located?
The NPPES record lists a practice address at 12203 Corporate Pkwy, Mequon, WI, 53092. Phone: (262) 387-8200. Providers update this record themselves, so call before visiting.
How can I verify Louis Steve Seno, MD's license?
NPPES lists Wisconsin license number 20090, 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 Louis Steve Seno, MD prescribe under Medicare Part D?
In 2024, Louis Steve Seno, MD had 1,236 Medicare Part D claims for 161 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.