Amber Erin Johnson , WHNP
Nurse Practitioner • Willmar, MN
101 Willmar Ave Sw
Willmar, MN 562013556
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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NPI assigned on October 27, 2019; this date does not establish years in practice.
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Published CMS data list 21 Original Medicare Part B services in 2023.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023. Published rows only; this is not a quality measure.
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Published Part B service records, 2023:
- 99213 — Established patient outpatient office visit: 21 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2022 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2023). CPT notice
See the full table · Guide: How to read Medicare Part B data
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Published CMS data list 28 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Estradiol — 28 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See the full table · Guide: How to read Medicare Part D prescriber data
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Fewer Part D prescriptions than 85% of clinicians listed under Nurse Practitioner in Minnesota (2024, 1,222 clinicians with data). Median for this group: 260. Middle half: 78 to 1,006.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part D prescriptions went from 11 in 2022 to 28 in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2022–2024.
Practice Location & Contact Primary Location
101 Willmar Ave Sw
Willmar, MN 562013556
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: Centracare Clinic Southwest Llc. 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
2019
What Public CMS Data Show
Nurse Practitioner: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $1,574 in 2023
The total amount Medicare approved for these services in 2023. 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 – by Provider and Service, 2023.
Paid by Medicare
About $1,027 in 2023
The part of the Medicare-allowed amount that Medicare itself paid in 2023, 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 – by Provider and Service, 2023.
30-day fills
64 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
$1,380 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 – by Provider and Drug, 2024.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2021–2025.
Years since graduation
7 years (graduated 2019)
CMS Doctors and Clinicians data list 2019 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
2019
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, “Does your provider accept Medicare as full payment?”
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.
Enrolled in Medicare (PECOS)
Amber Johnson 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 Amber Johnson 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 Willmar and Minnesota
Billing and prescribing volume is not a quality rating.
Medicare Part D prescriptions
Fewer Part D prescriptions than 85% of clinicians listed under Nurse Practitioner in Minnesota (2024, 1,222 clinicians with data). Median for this group: 260. Middle half: 78 to 1,006.
Too few clinicians listed under Nurse Practitioner in Willmar have Medicare Part D data for 2024 to compare.
Part D drug cost
A lower Part D drug cost than 70% of clinicians listed under Nurse Practitioner in Minnesota (2024, 1,222 clinicians with data). Median for this group: $13,678. Middle half: $1,290 to $110,944.
Too few clinicians listed under Nurse Practitioner in Willmar have Medicare Part D data for 2024 to compare.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Amber Johnson are from 2023.
11 active clinicians are listed under Nurse Practitioner with a practice address in Willmar, MN (2,583 in Minnesota).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Willmar
18.2% of these 11 clinicians have the CMS telehealth indicator.
63.6% of these 11 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 2023 only.
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Medicare-allowed amount
CMS data for Medicare-allowed amount are available for 2023 only.
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Paid by Medicare
CMS data for Medicare payment amount are available for 2023 only.
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Medicare Part D prescriptions
Medicare Part D prescriptions went from 11 in 2022 to 28 in 2024.
- 2022: 11
- 2023: 31
- 2024: 28
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30-day fills
30-day fills increased 109% from 31 in 2022 to 64 in 2024.
- 2022: 31
- 2023: 73
- 2024: 64
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Part D drug cost
Part D drug cost varied from year to year: $1,265 in 2022 and $1,380 in 2024.
- 2022: $1,265
- 2023: $1,864
- 2024: $1,380
Sources: CMS Medicare Physician & Other Practitioners (2023), 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 · Report an error.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2022 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 – by Provider and Service data, 2023; 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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21 | 16 | $262.57 | $74.96 |
Source: CMS Part B by Provider and Service, 2023; 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 |
|---|---|---|---|---|---|
| Estradiol | Estradiol | 28 | 1,922 | $1,380.10 | — |
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
Self-certified to NPPES: 2023-05-25NUCC 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.
NUCC Taxonomy Code: 163WM0102X
NUCC 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.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - NURSE PRACTITIONER
I20210127001706
MN
0244657351
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
Centracare Clinic Southwest Llc
600 Peterson Pkwy, New London, MN 562737823
Phone: 3203542222
Centracare Clinic Southwest Llc
101 Willmar Ave Sw, Willmar, MN 562013556
Phone: 3202315000
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Family Medicine
Doctor of Medicine (M.D.)
Family Medicine
Doctor of Medicine (M.D.)
Obstetrics & Gynecology
Doctor of Osteopathic Medicine (D.O.)
Dietitian, Registered
Registered Dietitian
Internal Medicine
Doctor of Medicine (M.D.)
Surgery
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 101 WILLMAR AVE SW, WILLMAR, MN 562013556 (Tel: 3202315000)
Registered at 101 WILLMAR AVE SW, WILLMAR, MN 562013556 (Tel: 3202315000)
Registered at 2350 N LAKE DR, STE G01, MILWAUKEE, WI 532114528 (Tel: 4142911556)
NPI status registered as active in NPPES database
Registered at 9648 RANCHVIEW LN N, MAPLE GROVE, MN 553694426 (Tel: 3202323234)
Registered at 9648 RANCHVIEW LN N, MAPLE GROVE, MN 553694426 (Tel: 3202323234)
Recorded as AMBER JOHNSON, WHNP
Registered Nurse (license number reported to NPPES: MN 201394-3)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Nurse Practitioners in Willmar
- Kara De Groot, ARNP
- Catherine Anderson, NP
- Kelly Taunton
- Jolene Schlegel, CNP
- Shannon Elton, NURSE PRACTITIONER
- Stephanie Johanneck, APRN, AGNP, CNP
More public profiles in Minnesota
Directory navigation, in NPI number order.
- Kenneth Olivier, MD Radiology - Radiation Oncology · Rochester
- Scott Benson, MD Family Medicine · Cannon Falls
- Honora Kennedy, MD Ophthalmology · Bloomington
- Allen Mork, MD Family Medicine · Cambridge
- Richard Gregory, MD Surgery · Saint Paul
- James Cline, MD Family Medicine · Saint Paul
- Thomas Ducker, MD Internal Medicine - Medical Oncology · Saint Paul
- Jeanette Dohnansky-Frank, WHCNP Nurse Practitioner - Obstetrics & Gynecology · Duluth
- Nicholas Larusso, MD Internal Medicine - Gastroenterology · Rochester
- Farris Timimi, MD Internal Medicine - Advanced Heart Failure and Transplant Cardiology · Rochester
- Mark Thalacker, CNP Nurse Practitioner · Woodbury
- Timothy Sullivan, MD Surgery - Vascular Surgery · Minneapolis
Mailing Address
101 Willmar Ave Sw
Willmar, MN 562013556
Phone: 3202315000