Nathan M. Lebak, MD
Allergy & Immunology (Internal Medicine) Physician · Burlington, WI
Nathan M. Lebak, MD is an allergy & immunology (internal medicine) physician with a practice address in Burlington, Wisconsin, and NPI 1285841155, issued on May 17, 2007. Check the license (Wisconsin 51921, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nathan M. Lebak
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology (Internal Medicine) Physician 207RA0201X
- License number
- 51921 WI
Self-reported in NPPES; status is on the state search - Practice location
- 248 Mchenry St, Burlington, WI 53105
- Phone
- (262) 767-8000
- Enumerated
- May 17, 2007
- Record last updated
- Jul 17, 2025
- Medicaid ID
- 35323300 WI
- Medicare enrollment
- Enrolled (PECOS I20080926000498); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology (internal medicine) physician records → All 22 in Wisconsin → Look up another NPI →
Also registered at 248 Mchenry St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Humaira Achakzai, MDPediatrics Physician1275173270
- Kora Adam, PA-CPhysician Assistant1952666554
- Indre Aleksaite, MDFamily Medicine Physician1346863875
- Jeffrey Bailet, MDOtolaryngology Physician1225101413
- Susan Barr, PAPhysician Assistant1437314275
- Lili Barsky, MDCardiovascular Disease Physician1184038671
Verify Nathan M. Lebak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 51921Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average allergy & immunology (internal medicine) physician in 2024
2,282 Medicare Part D claims for 383 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Fluticasone Propionate406 claims
- Montelukast Sodium304 claims
- Azelastine Hcl302 claims
- Albuterol Sulfate Hfa174 claims
- Breo Ellipta172 claims
- Trelegy Ellipta147 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.Burlington, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan M. Lebak among 22 allergy & immunology (internal medicine) physician records in Wisconsin
Nathan M. Lebak, MD is one of 22 allergy & immunology (internal medicine) physician records with a practice address in Wisconsin. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 59% of them.
- NPI issued2007 · 59% of these records are older, 32% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2003 · median 2003 among the 15 with a school on file
- Record last updated2025 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0201X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology (Internal Medicine) Physician providers in Wisconsin
There are 22 allergy & immunology (internal medicine) physician records in Wisconsin.
All 22 in Wisconsin → Every provider in Burlington → Allergy & Immunology (Internal Medicine) Physician nationwide →
The 8 allergy & immunology (internal medicine) physician records with the nearest ZIP codes
- Reena George, MDThiensville, WI 530921568542140
- Srilatha Lazzaro, M.D.Sheboygan, WI 530811790941227
- Monica Vasudev, MDSheboygan, WI 530811598711665
- Ashvini BiswasKenosha, WI 531421154616795
- Mark Hermanoff, MDSummit, WI 530661447309786
- Shelley Watters, MDSummit, WI 530661407963457
- Mary Rolfes-Lo, M.D.Oak Creek, WI 531541508839838
- Lilian Gonzalez, M.D.Menomonee Falls, WI 530511417332016
Common questions
What is Nathan M. Lebak, MD's NPI number?
Nathan M. Lebak, MD's National Provider Identifier (NPI) is 1285841155, issued on May 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nathan M. Lebak, MD located?
The NPPES record lists a practice address at 248 Mchenry St, Burlington, WI, 53105. Phone: (262) 767-8000. Providers update this record themselves, so call before visiting.
How can I verify Nathan M. Lebak, MD's license?
NPPES lists Wisconsin license number 51921, 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 Nathan M. Lebak, MD prescribe under Medicare Part D?
In 2024, Nathan M. Lebak, MD had 2,282 Medicare Part D claims for 383 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. 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.