Mallory A Mckewon , APRN
Nurse Practitioner โข Elkhorn, NE
18020 Burt St Ste 300
Elkhorn, NE 680224406
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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Mallory Mckewon is listed in NPPES under Nurse Practitioner.
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NPI assigned on January 28, 2021; this date does not establish years in practice.
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Published CMS data list 77 Original Medicare Part B services in 2021.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2021. Published rows only; this is not a quality measure.
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Published Part B service records, 2021:
- 99213 โ Established patient outpatient office visit: 49 service units.
- 81003 โ Automated urinalysis test: 14 service units.
- 99203 โ New patient outpatient office visit: 14 service units.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2021. Units differ by code; these are not visits or a measure of quality.
CPTยฎ only copyright 2020 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2021). CPT notice
See the full table ยท Guide: How to read Medicare Part B data
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Published CMS data list 25 Medicare Part D prescriptions, including refills, in 2023.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2023. Published rows only; this is not a quality measure.
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Published Part D records, 2023:
- Atorvastatin Calcium โ 14 prescription fills, including refills.
- Amlodipine Besylate โ 11 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2023. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See the full table ยท Guide: How to read Medicare Part D prescriber data
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Medicare Part D prescriptions went from 146 in 2022 to 25 in 2023.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2022โ2023.
Practice Location & Contact Primary Location
18020 Burt St Ste 300
Elkhorn, NE 680224406
What Public CMS Data Show
Nurse Practitioner: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
65 people with Original Medicare in 2021
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider, 2021.
Medicare-allowed amount
About $4,796 in 2021
The total amount Medicare approved for these services in 2021. 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, 2021.
Paid by Medicare
About $3,504 in 2021
The part of the Medicare-allowed amount that Medicare itself paid in 2021, 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, 2021.
30-day fills
67 standardized 30-day fills in 2023
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
$114 in 2023
The total cost of these prescriptions in 2023, 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, 2023.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2021โ2025.
NPI first issued
2021
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.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
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
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Elkhorn and Nebraska
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Mallory Mckewon are from 2021.
Medicare Part D
Comparisons use 2024 data. The latest CMS data for Mallory Mckewon are from 2023.
31 active clinicians are listed under Nurse Practitioner with a practice address in Elkhorn, NE (1,002 in Nebraska).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Elkhorn
3.2% of these 31 clinicians have the CMS telehealth indicator.
67.7% of these 31 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
CMS data for Medicare Part B services are available for 2021 only.
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Medicare-allowed amount
CMS data for Medicare-allowed amount are available for 2021 only.
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Paid by Medicare
CMS data for Medicare payment amount are available for 2021 only.
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Medicare Part D prescriptions
Medicare Part D prescriptions decreased 83% from 146 in 2022 to 25 in 2023.
- 2022: 146
- 2023: 25
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30-day fills
30-day fills decreased 82% from 363 in 2022 to 67 in 2023.
- 2022: 363
- 2023: 67
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Part D drug cost
Part D drug cost decreased 95% from $2,307 in 2022 to $114 in 2023.
- 2022: $2,307
- 2023: $114
Sources: CMS Medicare Physician & Other Practitioners (2021), CMS Medicare Part D Prescribers (2023), 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 2020 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, 2021; 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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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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49 | 45 | $175.98 | $72.93 |
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81003
Automated urinalysis test
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14 | 13 | $18.00 | $2.25 |
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99203
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
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14 | 14 | $259.43 | $85.06 |
Source: CMS Part B by Provider and Service, 2021; 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 2023.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Atorvastatin Calcium | Atorvastatin Calcium | 14 | 946 | $85.09 | โ |
| Amlodipine Besylate | Amlodipine Besylate | 11 | 1,000 | $28.62 | โ |
Source: CMS Part D by Provider and Drug, 2023; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2025-07-17NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Nurse Practitioner - Family
Nurse Practitioner
Nurse Practitioner
APRNNP
Nurse Practitioner - Family
Advanced Practice Registered Nurse, Family Nurse Practitioner (Board Certified)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 18020 BURT ST STE 300, ELKHORN, NE 680224406 (Tel: 3083005557)
Registered at 18020 BURT ST STE 300, ELKHORN, NE 680224406 (Tel: 3083005557)
NPI status registered as active in NPPES database
Registered at 10710 FORT ST, OMAHA, NE 681341230 (Tel: 4023541001)
Registered at PO BOX 3755, OMAHA, NE 681030755 (Tel: 4023545451)
Recorded as MALLORY MCKEWON, APRN
Nurse Practitioner (license number reported to NPPES: NE 113191)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Nurse Practitioners in Elkhorn
- Lori Hogue, APRN
- Annette Dillon, APRN
- Kathleen Morris, APRN
- Susan Caniglia, APRN
- Jennifer Auxier, APRN
- Susan Meier, APRN
Mailing Address
18020 Burt St Ste 300
Elkhorn, NE 680224406
Phone: 3083005557