Katherine Leanna Maliszewski, M.D., PH.D.
Internal Medicine Physician · Omaha, NE
Katherine Leanna Maliszewski, M.D., PH.D. is an internal medicine physician with a practice address in Omaha, Nebraska, and NPI 1992156061, issued on Jun 29, 2016. Check the license (Nebraska 31522, as entered in NPPES) on the Nebraska Board of Medicine and Surgery; the Medicare figures below come from public CMS files.
- Name
- Katherine Leanna Maliszewski
- Credential
- M.D., PH.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 31522 NE
Self-reported in NPPES; status is on the state search - Practice location
- Emile @ 42ND St, Omaha, NE 68198
- Phone
- (402) 552-6731
- Enumerated
- Jun 29, 2016
- Record last updated
- Jun 24, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190624000260); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 813 in Nebraska → Look up another NPI →
Also registered at Emile @ 42ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nathan Anderson, M.D.Internal Medicine Physician1598028656
- Kurt Andree, PA-CPhysician Assistant1629609607
- Derrick Antoniak, M.D.Gastroenterology Physician1972864114
Verify Katherine Leanna Maliszewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNebraska Board of Medicine and Surgery
Search for license 31522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average internal medicine physician in 2024
4,186 Medicare Part D claims for 228 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 104 claims were for opioids.
Most prescribed
- Atorvastatin Calcium288 claims
- Levothyroxine Sodium198 claims
- Amlodipine Besylate172 claims
- Omeprazole151 claims
- Losartan Potassium146 claims
- Eliquis134 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
- Unmc PhysiciansOmaha, NE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Leanna Maliszewski among 813 internal medicine physician records in Nebraska
Katherine Leanna Maliszewski, M.D., PH.D. is one of 813 internal medicine physician records with a practice address in Nebraska. 71% 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 51% of them.
- NPI issued2016 · 51% of these records are older, 46% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2016 · median 2010 among the 414 with a school on file
- Record last updated2019 · 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 207R00000X and a Nebraska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
591 internal medicine physician records list a practice address in Omaha
They are 591 of the 33,911 NPPES records with a practice address in Omaha, and 813 internal medicine physician records in Nebraska.
All 813 in Nebraska → Every provider in Omaha → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Terri Batterman, MDOmaha, NE 681981063470169
- James Campbell, MDOmaha, NE 681981083672869
- Gale Etherton, MDOmaha, NE 681981659329779
- Julie Fedderson, MDOmaha, NE 681981164470985
- Mary Jansen, MDOmaha, NE 681981740239532
- Michelle Johnson, M.D.Omaha, NE 681981609816016
- Merle McAlevy, MDOmaha, NE 681981306895834
- J Neumeister, MDOmaha, NE 681981932150463
Common questions
What is Katherine Leanna Maliszewski, M.D., PH.D.'s NPI number?
Katherine Leanna Maliszewski, M.D., PH.D.'s National Provider Identifier (NPI) is 1992156061, issued on Jun 29, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Leanna Maliszewski, M.D., PH.D. located?
The NPPES record lists a practice address at Emile @ 42ND St, Omaha, NE, 68198. Phone: (402) 552-6731. Providers update this record themselves, so call before visiting.
How can I verify Katherine Leanna Maliszewski, M.D., PH.D.'s license?
NPPES lists Nebraska license number 31522, as entered by the provider. Search the Nebraska Board of Medicine and Surgery at https://www.nebraska.gov/LISSearch/search.cgi. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Leanna Maliszewski, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Katherine Leanna Maliszewski, M.D., PH.D. had 4,186 Medicare Part D claims for 228 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.