Dr. Katherine Leanna Maliszewski , MD, PhD
Internal Medicine โข Omaha, NE
Emile @ 42nd St
Omaha, NE 681980001
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Dr. Katherine Maliszewski is listed in NPPES under Internal Medicine.
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NPI assigned on June 29, 2016; this date does not establish years in practice.
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Published CMS data list 496 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 99214 โ Established patient outpatient office visit: 144 service units.
- G2211 โ Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's: 110 service units.
- G0439 โ Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit: 77 service units.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPTยฎ only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See all 9 records in the table ยท Guide: How to read Medicare Part B data
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Published CMS data list 3,653 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Atorvastatin Calcium โ 288 prescription fills, including refills.
- Levothyroxine Sodium โ 198 prescription fills, including refills.
- Amlodipine Besylate โ 172 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 86 records in the table ยท Guide: How to read Medicare Part D prescriber data
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Close to the middle for Medicare Part B services among clinicians listed under Internal Medicine in Omaha, NE (2024, 230 clinicians with data). Median for this group: 504. Middle half: 224 to 1,147.
Fewer Medicare Part B services than 60% of clinicians listed under Internal Medicine in Nebraska (2024, 384 clinicians with data). Median for this group: 779. Middle half: 303 to 1,856.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 112 in 2020 to 496 in 2024.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2020โ2024.
Practice Location & Contact Primary Location
Emile @ 42nd St
Omaha, NE 681980001
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
CMS Doctors and Clinicians lists 1 group name: Unmc Physicians. See the list
Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
2016
What Public CMS Data Show
Internal Medicine: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
214 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider, 2024.
Medicare-allowed amount
About $28,869 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024.
Paid by Medicare
About $20,271 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024.
30-day fills
7,180 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$306,776 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019โ2025.
Years since graduation
10 years (graduated 2016)
CMS Doctors and Clinicians data list 2016 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2016
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, โDoes your provider accept Medicare as full payment?โ
Telehealth (some services)
Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.
You may be able to have some visits without going to the office. Ask which visits can be done by telehealth.
What this does not show: Telehealth (some services)
It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Maliszewski has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Maliszewski as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Omaha and Nebraska
Billing and prescribing volume is not a quality rating.
Medicare Part B services
Close to the middle for clinicians listed under Internal Medicine in Omaha, NE (2024, 230 clinicians with data). Median for this group: 504. Middle half: 224 to 1,147.
Fewer Medicare Part B services than 60% of clinicians listed under Internal Medicine in Nebraska (2024, 384 clinicians with data). Median for this group: 779. Middle half: 303 to 1,856.
Medicare-allowed amount
Close to the middle for clinicians listed under Internal Medicine in Omaha, NE (2024, 230 clinicians with data). Median for this group: $35,675. Middle half: $17,633 to $102,454.
A lower Medicare-allowed amount than 70% of clinicians listed under Internal Medicine in Nebraska (2024, 384 clinicians with data). Median for this group: $68,580. Middle half: $24,496 to $132,241.
Paid by Medicare
A lower Medicare payment amount than 60% of clinicians listed under Internal Medicine in Omaha, NE (2024, 230 clinicians with data). Median for this group: $26,417. Middle half: $13,032 to $80,021.
A lower Medicare payment amount than 70% of clinicians listed under Internal Medicine in Nebraska (2024, 384 clinicians with data). Median for this group: $52,804. Middle half: $18,631 to $102,800.
Medicare Part D prescriptions
More Part D prescriptions than 80% of clinicians listed under Internal Medicine in Omaha, NE (2024, 275 clinicians with data). Median for this group: 277. Middle half: 79 to 2,511.
More Part D prescriptions than 70% of clinicians listed under Internal Medicine in Nebraska (2024, 428 clinicians with data). Median for this group: 339. Middle half: 74 to 4,082.
Part D drug cost
A higher Part D drug cost than 75% of clinicians listed under Internal Medicine in Omaha, NE (2024, 275 clinicians with data). Median for this group: $25,486. Middle half: $1,739 to $279,433.
A higher Part D drug cost than 70% of clinicians listed under Internal Medicine in Nebraska (2024, 428 clinicians with data). Median for this group: $35,631. Middle half: $1,754 to $357,458.
591 active clinicians are listed under Internal Medicine with a practice address in Omaha, NE (813 in Nebraska).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Omaha
10.5% of these 591 clinicians have the CMS telehealth indicator.
42.3% of these 591 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services increased 343% from 112 in 2020 to 496 in 2024.
- 2020: 112
- 2021: 123
- 2022: 342
- 2023: 456
- 2024: 496
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Medicare-allowed amount
Medicare-allowed amount increased 272% from $7,771 in 2020 to $28,869 in 2024.
- 2020: $7,771
- 2021: $8,772
- 2022: $28,708
- 2023: $34,408
- 2024: $28,869
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Paid by Medicare
Paid by Medicare increased 225% from $6,236 in 2020 to $20,271 in 2024.
- 2020: $6,236
- 2021: $6,407
- 2022: $19,909
- 2023: $24,656
- 2024: $20,271
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Medicare Part D prescriptions
Medicare Part D prescriptions increased 1599% from 215 in 2020 to 3,653 in 2024.
- 2020: 215
- 2021: 301
- 2022: 1,911
- 2023: 2,935
- 2024: 3,653
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30-day fills
30-day fills increased 2162% from 318 in 2020 to 7,180 in 2024.
- 2020: 318
- 2021: 516
- 2022: 4,014
- 2023: 6,004
- 2024: 7,180
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Part D drug cost
Part D drug cost increased 2806% from $10,556 in 2020 to $306,776 in 2024.
- 2020: $10,556
- 2021: $12,248
- 2022: $185,827
- 2023: $264,394
- 2024: $306,776
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo ยท Report an error.
Performed Procedures & Service Volume
CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2018โ2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners โ by Provider and Service data, 2019โ2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
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144 | 104 | $245.00 | $69.43 |
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G2211
Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
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110 | 91 | $45.00 | $15.18 |
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G0439
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
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77 | 77 | $275.00 | $34.48 |
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99213
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
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44 | 42 | $160.00 | $57.21 |
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99215
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
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39 | 35 | $350.00 | $93.93 |
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99222
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
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30 | 30 | $300.00 | $119.04 |
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99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
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26 | 20 | $170.00 | $72.20 |
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99223
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
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15 | 15 | $500.00 | $158.68 |
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G0180
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and
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11 | 11 | $177.50 | $48.81 |
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Atorvastatin Calcium | Atorvastatin Calcium | 288 | 18,802 | $3,076.28 | 70 |
| Levothyroxine Sodium | Levothyroxine Sodium | 198 | 12,746 | $2,465.95 | 42 |
| Amlodipine Besylate | Amlodipine Besylate | 172 | 10,986 | $1,521.72 | 40 |
| Omeprazole | Omeprazole | 151 | 10,430 | $2,655.32 | 38 |
| Losartan Potassium | Losartan Potassium | 146 | 11,020 | $1,532.58 | 36 |
| Eliquis | Apixaban | 134 | 5,682 | $114,592.32 | 23 |
| Potassium Chloride | Potassium Chloride | 128 | 7,158 | $1,322.80 | 24 |
| Lisinopril | Lisinopril | 112 | 7,897 | $689.91 | 29 |
| Duloxetine Hcl | Duloxetine Hcl | 110 | 7,313 | $2,582.61 | 27 |
| Gabapentin | Gabapentin | 107 | 6,101 | $2,387.34 | 27 |
| Carvedilol | Carvedilol | 92 | 4,818 | $1,112.14 | 21 |
| Hydrochlorothiazide | Hydrochlorothiazide | 86 | 7,040 | $542.60 | 24 |
| Furosemide | Furosemide | 83 | 4,442 | $449.97 | 21 |
| Metoprolol Succinate | Metoprolol Succinate | 83 | 5,138 | $1,621.37 | 18 |
| Sertraline Hcl | Sertraline Hcl | 81 | 5,251 | $787.78 | 26 |
| Pantoprazole Sodium | Pantoprazole Sodium | 77 | 5,484 | $1,111.11 | 21 |
| Fluticasone Propionate | Fluticasone Propionate | 65 | 3,242 | $1,415.35 | 20 |
| Trazodone Hcl | Trazodone Hcl | 54 | 2,726 | $324.41 | 14 |
| Mirtazapine | Mirtazapine | 52 | 2,532 | $1,148.56 | 14 |
| Metoprolol Tartrate | Metoprolol Tartrate | 47 | 3,530 | $356.22 | 14 |
| Pravastatin Sodium | Pravastatin Sodium | 46 | 2,496 | $713.57 | โ |
| Tamsulosin Hcl | Tamsulosin Hcl | 46 | 2,706 | $648.95 | 14 |
| Venlafaxine Hcl Er | Venlafaxine Hcl | 44 | 2,228 | $1,083.49 | โ |
| Simvastatin | Simvastatin | 42 | 3,900 | $305.41 | 14 |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 39 | 819 | $883.58 | โ |
(top 25 shown)
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - INTERNAL MEDICINE
I20190624000260
NE
0648565903
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File
Unmc Physicians
Emile 42nd St, Omaha, NE 681980001
Phone: 4025594015
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Internal Medicine - Gastroenterology
Doctor of Medicine (M.D.)
Internal Medicine
Internal Medicine
Doctor of Medicine (M.D.)
Nurse Practitioner - Family
Advanced Practice Registered Nurse
Internal Medicine
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at EMILE @ 42ND ST, OMAHA, NE 681980001 (Tel: 4025526731)
Registered at 988102 NEBRASKA MEDICAL CTR, OMAHA, NE 681988102
Internal Medicine (license number reported to NPPES: NE 31522)
NPI status registered as active in NPPES database
Registered at 982055 NEBRASKA MEDICAL CTR, OMAHA, NE 681982055 (Tel: 4025597268)
Registered at 982055 NEBRASKA MEDICAL CTR, OMAHA, NE 681982055 (Tel: 4025597268)
Recorded as KATHERINE MALISZEWSKI, M.D., PH.D.
Internal Medicine (license number reported to NPPES: NE 7771)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Internal Medicine Providers in Omaha
- Dr. Jill Zabih, MD
- Dr. Brian Sayles, MD
- Dr. Lorinda Covell, MD
- Dr. Nathan Anderson, MD
- Dr. Justin Burr, MD
- Dr. Muhammad Sikandar Karim, MBBS
Mailing Address
988102 Nebraska Medical Ctr
Omaha, NE 681988102