Kristin Elaine Messinger , FNP
Nurse Practitioner • Gurnee, IL
731 S Il Route 21 Ste 120
Gurnee, IL 600313803
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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Kristin Messinger is listed in NPPES under Nurse Practitioner.
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NPI assigned on April 12, 2010; this date does not establish years in practice.
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Published CMS data list 278 Original Medicare Part B services in 2018.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018. Published rows only; this is not a quality measure.
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Published Part B service records, 2018:
- 99214 — Established patient outpatient office visit: 85 service units.
- 99213 — Established patient outpatient office visit: 54 service units.
- 36415 — Insertion of needle into vein for collection of blood sample: 51 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2017 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2018). CPT notice
See all 7 records in the table · Guide: How to read Medicare Part B data
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Published CMS data list 1,552 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:
- Amlodipine Besylate — 128 prescription fills, including refills.
- Rosuvastatin Calcium — 108 prescription fills, including refills.
- Atorvastatin Calcium — 106 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 all 48 records in the table · Guide: How to read Medicare Part D prescriber data
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More Part D prescriptions than 90% of clinicians listed under Nurse Practitioner in Gurnee, IL (2024, 14 clinicians with data). Median for this group: 293. Middle half: 111 to 667.
More Part D prescriptions than 80% of clinicians listed under Nurse Practitioner in Illinois (2024, 2,572 clinicians with data). Median for this group: 259. Middle half: 80 to 930.
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 B services went from 275 in 2017 to 278 in 2018.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2017–2018.
Practice Location & Contact Primary Location
731 S Il Route 21 Ste 120
Gurnee, IL 600313803
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Nurse Practitioner: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $15,624 in 2018
The total amount Medicare approved for these services in 2018. 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, 2018.
Paid by Medicare
About $11,211 in 2018
The part of the Medicare-allowed amount that Medicare itself paid in 2018, 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, 2018.
30-day fills
4,215 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
$170,290 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.
Open Payments general payments, program year 2025
All general payments: $1,816.19 across 66 records.
By nature of payment
- Food and Beverage: $1,761.20 across 65 records.
- Education: $54.99 across 1 record.
Reporting-company totals (3 largest of 15)
- HARMONY BIOSCIENCES LLC: $443.18 across 21 records.
- AstraZeneca Pharmaceuticals LP: $273.75 across 7 records.
- Novo Nordisk Inc: $259.06 across 7 records.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
NPI first issued
2010
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, “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)
Kristin Messinger 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 Kristin Messinger 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 Gurnee and Illinois
Billing and prescribing volume is not a quality rating.
Medicare Part D prescriptions
More Part D prescriptions than 90% of clinicians listed under Nurse Practitioner in Gurnee, IL (2024, 14 clinicians with data). Median for this group: 293. Middle half: 111 to 667.
More Part D prescriptions than 80% of clinicians listed under Nurse Practitioner in Illinois (2024, 2,572 clinicians with data). Median for this group: 259. Middle half: 80 to 930.
Part D drug cost
A higher Part D drug cost than 90% of clinicians listed under Nurse Practitioner in Gurnee, IL (2024, 14 clinicians with data). Median for this group: $50,577. Middle half: $7,843 to $73,993.
A higher Part D drug cost than 80% of clinicians listed under Nurse Practitioner in Illinois (2024, 2,572 clinicians with data). Median for this group: $10,867. Middle half: $976 to $113,945.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Kristin Messinger are from 2018.
20 active clinicians are listed under Nurse Practitioner with a practice address in Gurnee, IL (4,894 in Illinois).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Gurnee
20% of these 20 clinicians have the CMS telehealth indicator.
55% of these 20 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 stayed about the same: 275 in 2017 and 278 in 2018.
- 2017: 275
- 2018: 278
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Medicare-allowed amount
Medicare-allowed amount decreased 10% from $17,290 in 2017 to $15,624 in 2018.
- 2017: $17,290
- 2018: $15,624
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Paid by Medicare
Paid by Medicare decreased 19% from $13,831 in 2017 to $11,211 in 2018.
- 2017: $13,831
- 2018: $11,211
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Medicare Part D prescriptions
Medicare Part D prescriptions increased 89% from 820 in 2020 to 1,552 in 2024.
- 2020: 820
- 2021: 1,050
- 2022: 928
- 2023: 1,091
- 2024: 1,552
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30-day fills
30-day fills increased 96% from 2,150 in 2020 to 4,215 in 2024.
- 2020: 2,150
- 2021: 2,765
- 2022: 2,545
- 2023: 3,035
- 2024: 4,215
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Part D drug cost
Part D drug cost increased 483% from $29,202 in 2020 to $170,290 in 2024.
- 2020: $29,202
- 2021: $54,994
- 2022: $48,999
- 2023: $99,774
- 2024: $170,290
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Industry payments (Open Payments)
Industry payments (Open Payments) increased 37% from $1,325.15 in 2021 to $1,816.19 in 2025.
- 2021: $1,325.15
- 2022: $1,052.00
- 2023: $1,241.43
- 2024: $1,210.89
- 2025: $1,816.19
Sources: CMS Medicare Physician & Other Practitioners (2018), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 – December 31, 2025): 66 records totaling $1,816.19.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| AstraZeneca Pharmaceuticals LP |
Food and Beverage
In-kind items and services
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AIRSUPRA | General | $136.16 |
| Boehringer Ingelheim Pharmaceuticals, Inc. |
Food and Beverage
In-kind items and services
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JARDIANCE | General | $122.10 |
| Novo Nordisk Inc |
Food and Beverage
In-kind items and services
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Ozempic | General | $121.85 |
| Abbott Laboratories |
Food and Beverage
In-kind items and services
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FREESTYLE LIBRE 3 | General | $64.52 |
| HARMONY BIOSCIENCES LLC |
Education
In-kind items and services
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— | General | $54.99 |
| HARMONY BIOSCIENCES LLC |
Food and Beverage
In-kind items and services
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WAKIX | General | $49.28 |
| Resmed Corp |
Food and Beverage
Cash or cash equivalent
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AIRSENSE | General | $37.98 |
| HARMONY BIOSCIENCES LLC |
Food and Beverage
In-kind items and services
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WAKIX | General | $37.40 |
| HARMONY BIOSCIENCES LLC |
Food and Beverage
In-kind items and services
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WAKIX | General | $36.91 |
| HARMONY BIOSCIENCES LLC |
Food and Beverage
In-kind items and services
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WAKIX | General | $35.61 |
| HARMONY BIOSCIENCES LLC |
Food and Beverage
In-kind items and services
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WAKIX | General | $35.34 |
| HARMONY BIOSCIENCES LLC |
Food and Beverage
In-kind items and services
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WAKIX | General | $32.96 |
| HARMONY BIOSCIENCES LLC |
Food and Beverage
In-kind items and services
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WAKIX | General | $32.53 |
| HARMONY BIOSCIENCES LLC |
Food and Beverage
In-kind items and services
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WAKIX | General | $30.33 |
| Axsome Therapeutics, Inc. |
Food and Beverage
In-kind items and services
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Sunosi | General | $30.11 |
| AstraZeneca Pharmaceuticals LP |
Food and Beverage
In-kind items and services
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BREZTRI | General | $29.98 |
| Axsome Therapeutics, Inc. |
Food and Beverage
In-kind items and services
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Sunosi | General | $29.43 |
| Novo Nordisk Inc |
Food and Beverage
In-kind items and services
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Ozempic | General | $29.32 |
| Pfizer Inc. |
Food and Beverage
In-kind items and services
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PREVNAR 20 | General | $28.81 |
| Novo Nordisk Inc |
Food and Beverage
In-kind items and services
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Ozempic | General | $27.03 |
| Pfizer Inc. |
Food and Beverage
In-kind items and services
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PREVNAR 20 | General | $26.90 |
| ABBVIE INC. |
Food and Beverage
In-kind items and services
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UBRELVY | General | $26.72 |
| ABBVIE INC. |
Food and Beverage
In-kind items and services
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QULIPTA | General | $26.29 |
| ABBVIE INC. |
Food and Beverage
In-kind items and services
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QULIPTA | General | $26.01 |
| Boehringer Ingelheim Pharmaceuticals, Inc. |
Food and Beverage
In-kind items and services
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JARDIANCE | General | $25.94 |
(top 25 shown)
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2017 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, 2017–2018; 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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85 | 55 | $174.53 | $95.73 |
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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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54 | 35 | $110.00 | $64.79 |
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36415
Insertion of needle into vein for collection of blood sample
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51 | 34 | $35.00 | $2.94 |
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G0439
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
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28 | 28 | $230.00 | $103.04 |
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G0444
Annual depression screening, 5 to 15 minutes
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26 | 26 | $29.00 | $15.87 |
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G0442
Annual alcohol misuse screening, 5 to 15 minutes
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23 | 23 | $29.00 | $16.17 |
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93000
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
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11 | 11 | $110.00 | $15.31 |
Source: CMS Part B by Provider and Service, 2018; 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 |
|---|---|---|---|---|---|
| Amlodipine Besylate | Amlodipine Besylate | 128 | 11,100 | $861.21 | 39 |
| Rosuvastatin Calcium | Rosuvastatin Calcium | 108 | 9,660 | $1,080.94 | 37 |
| Atorvastatin Calcium | Atorvastatin Calcium | 106 | 9,475 | $1,269.65 | 32 |
| Lisinopril | Lisinopril | 93 | 7,870 | $664.39 | 26 |
| Metoprolol Succinate | Metoprolol Succinate | 81 | 7,048 | $783.85 | 26 |
| Metformin Hcl | Metformin Hcl | 70 | 6,045 | $361.16 | 19 |
| Levothyroxine Sodium | Levothyroxine Sodium | 65 | 5,670 | $369.94 | 20 |
| Losartan Potassium | Losartan Potassium | 65 | 5,040 | $454.10 | 19 |
| Hydrochlorothiazide | Hydrochlorothiazide | 57 | 5,130 | $171.89 | 16 |
| Omeprazole | Omeprazole | 56 | 4,980 | $523.87 | 18 |
| Pantoprazole Sodium | Pantoprazole Sodium | 37 | 3,210 | $603.85 | 15 |
| Celecoxib | Celecoxib | 37 | 1,470 | $1,276.71 | — |
| Alendronate Sodium | Alendronate Sodium | 36 | 3,054 | $442.70 | 12 |
| Ozempic | Semaglutide | 34 | 2,064 | $57,437.77 | — |
| Ezetimibe | Ezetimibe | 28 | 2,520 | $827.23 | — |
| Olmesartan Medoxomil | Olmesartan Medoxomil | 27 | 2,310 | $1,245.53 | — |
| Simvastatin | Simvastatin | 26 | 2,340 | $207.61 | — |
| Tamsulosin Hcl | Tamsulosin Hcl | 26 | 2,340 | $359.48 | 12 |
| Atenolol | Atenolol | 25 | 2,190 | $203.57 | — |
| Allopurinol | Allopurinol | 22 | 1,980 | $312.06 | — |
| Citalopram Hbr | Citalopram Hydrobromide | 22 | 1,980 | $51.25 | — |
| Escitalopram Oxalate | Escitalopram Oxalate | 22 | 1,595 | $263.97 | — |
| Metoprolol Tartrate | Metoprolol Tartrate | 21 | 1,890 | $108.49 | — |
| Montelukast Sodium | Montelukast Sodium | 21 | 1,890 | $151.37 | — |
| Jardiance | Empagliflozin | 21 | 1,710 | $30,083.46 | — |
(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
Self-certified to NPPES: 2025-03-10NUCC 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
I20170524002070
IL
2163550336
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
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
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 731 S IL ROUTE 21 STE 120, GURNEE, IL 600313803 (Tel: 8478559700)
Registered at 731 S IL ROUTE 21 STE 120, GURNEE, IL 600313803 (Tel: 8478559700)
NPI status registered as active in NPPES database
Registered at 131 E PARK AVE, STE 103, LIBERTYVILLE, IL 600482858 (Tel: 8473629050)
Registered at 3665 S 8400 W STE 110, MAGNA, UT 840442214 (Tel: 8012509638)
Recorded as KRISTIN MESSINGER, FNP
Nurse Practitioner (license number reported to NPPES: IL 209008637)
NPI status registered as active in NPPES database
Registered at 3665 S 8400 W STE 110, MAGNA, UT 840442214 (Tel: 8012509638)
Registered at 1850 W WINCHESTER RD, STE 220, LIBERTYVILLE, IL 600485355 (Tel: 8473629050)
Recorded as KRISTIN MESSINGER, FNP
Nurse Practitioner (license number reported to NPPES: IL 209008637)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Nurse Practitioners in Gurnee
- Kara Easton, APN
- Kaitlin Fiore, FNP-BC
- Rita Shamon, NP
- Michelle Ortega, APN, CNP
- Ashley Hafertepe, APN
- Hanju Wang, APN-CNP
Mailing Address
731 S Il Route 21 Ste 120
Gurnee, IL 600313803
Phone: 8478559700