Brett J. Leiknes, MD
Undersea and Hyperbaric Medicine (Preventive Medicine) Physician · Two Rivers, WI
Brett J. Leiknes, MD is an undersea and hyperbaric medicine (preventive medicine) physician with a practice address in Two Rivers, Wisconsin, and NPI 1285186510, issued on Nov 3, 2016. Check the license (Wisconsin 65977, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Brett J. Leiknes
- Credential
- MD
- Primary taxonomy
- Undersea and Hyperbaric Medicine (Preventive Medicine) Physician 2083P0011X
- License numbers
- 65977 WI
65977-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 5000 Memorial Dr, Two Rivers, WI 54241
- Phone
- (920) 794-5000
- Enumerated
- Nov 3, 2016
- Record last updated
- Nov 10, 2025
- Medicaid ID
- 100062290 WI
- Medicare enrollment
- Enrolled (PECOS I20161116000576); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest undersea and hyperbaric medicine (preventive medicine) physician records → All 27 in Wisconsin → Look up another NPI →
Also registered at 5000 Memorial Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Natalie Christensen, SLPSpeech-Language Pathologist1528315082
- Christine Clark, COTAOccupational Therapy Assistant1720113475
- David Copp, M.D.Surgery Physician1013947225
Verify Brett J. Leiknes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 65977Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% more Medicare Part D claims than the average undersea and hyperbaric medicine (preventive medicine) physician in 2024
538 Medicare Part D claims for 147 beneficiaries, against an average of 308 among the 148 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Mometasone Furoate51 claims
- Doxycycline Hyclate46 claims
- Triamcinolone Acetonide41 claims
- Levothyroxine Sodium37 claims
- Cephalexin33 claims
- Amoxicillin-Clavulanate Potass32 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
- Aurora Medical Group, Inc.Manitowoc, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brett J. Leiknes among 27 undersea and hyperbaric medicine (preventive medicine) physician records in Wisconsin
Brett J. Leiknes, MD is one of 27 undersea and hyperbaric medicine (preventive medicine) physician records with a practice address in Wisconsin. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 74% of them.
- NPI issued2016 · 74% of these records are older, 15% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 89% of these records are
- Graduated2015 · median 1997 among the 24 with a school on file
- Record last updated2025 · 30% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083P0011X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Undersea and Hyperbaric Medicine (Preventive Medicine) Physician providers in Wisconsin
There are 27 undersea and hyperbaric medicine (preventive medicine) physician records in Wisconsin.
All 27 in Wisconsin → Every provider in Two Rivers → Undersea and Hyperbaric Medicine (Preventive Medicine) Physician nationwide →
The 8 undersea and hyperbaric medicine (preventive medicine) physician records with the nearest ZIP codes
- Thomas Betka, M.D.Green Bay, WI 543111164454302
- Roland Moreno, MDGreen Bay, WI 543111376650788
- Matthew Clancy, M.D.Wausau, WI 544011639180961
- Jad Roeske, MDEau Claire, WI 547031205813011
- Rebekah Schroeder, MDOshkosh, WI 549041265549554
- Itamar Gnatt, M.DMilwaukee, WI 532331447781992
- Saira Khan, M.D.West Allis, WI 532271780892927
- Cory Dubose, D.O.Milwaukee, WI 532151811356736
Common questions
What is Brett J. Leiknes, MD's NPI number?
Brett J. Leiknes, MD's National Provider Identifier (NPI) is 1285186510, issued on Nov 3, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Brett J. Leiknes, MD located?
The NPPES record lists a practice address at 5000 Memorial Dr, Two Rivers, WI, 54241. Phone: (920) 794-5000. Providers update this record themselves, so call before visiting.
How can I verify Brett J. Leiknes, MD's license?
NPPES lists Wisconsin license number 65977, 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 Brett J. Leiknes, MD prescribe under Medicare Part D?
In 2024, Brett J. Leiknes, MD had 538 Medicare Part D claims for 147 beneficiaries; the average among undersea and hyperbaric medicine (preventive medicine) physician prescribers was 308. 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.