Aileen Westrick

NPI: 1770710493
Total Payments
$1,734
2024 Payments
$154.49
Companies
10
Transactions
34
Medicare Patients
3,449
Medicare Billing
$641,729

Payment Breakdown by Category

Food & Beverage$1,669 (96.3%)
Other$65.00 (3.7%)

Payments by Nature

Nature of Payment Amount Transactions Share
Food and Beverage $1,669 33 96.3%
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $65.00 1 3.7%

Top Paying Companies

Company Total Records Latest Year
Dexcom, Inc. $911.03 16 $0 (2024)
AbbVie, Inc. $328.67 5 $0 (2019)
Novo Nordisk Inc $156.89 3 $0 (2024)
Amgen Inc. $135.81 2 $0 (2019)
SANOFI-AVENTIS U.S. LLC $85.38 2 $0 (2018)
Abbott Laboratories $28.08 2 $0 (2019)
Becton, Dickinson and Company $25.77 1 $0 (2017)
Ascensia Diabetes Care US Inc. $21.96 1 $0 (2017)
Boehringer Ingelheim Pharmaceuticals, Inc. $20.36 1 $0 (2017)
Novartis Pharmaceuticals Corporation $20.34 1 $0 (2017)

Payment History by Year

Year Amount Transactions Top Company
2024 $154.49 2 Dexcom, Inc. ($137.16)
2023 $287.46 5 Dexcom, Inc. ($165.58)
2022 $157.10 1 Dexcom, Inc. ($157.10)
2021 $114.23 1 DEXCOM, INC. ($114.23)
2019 $390.42 6 Dexcom, Inc. ($146.30)
2018 $266.43 4 AbbVie, Inc. ($201.43)
2017 $364.16 15 Dexcom, Inc. ($190.66)

All Payment Transactions

34 individual payment records from CMS Open Payments — Page 1 of 2

Date Company Product Nature Form Amount Type
11/12/2024 Novo Nordisk Inc Ozempic (Drug), Rybelsus Food and Beverage In-kind items and services $17.33 General
Category: Diabetes
10/28/2024 Dexcom, Inc. Dexcom G6 Transmitter (Medical Supply) Food and Beverage In-kind items and services $137.16 General
Category: Endocrinology
09/21/2023 Dexcom, Inc. Dexcom G6 Transmitter (Medical Supply) Food and Beverage In-kind items and services $17.34 General
Category: Endocrinology
07/05/2023 Dexcom, Inc. Dexcom G6 Transmitter (Medical Supply) Food and Beverage In-kind items and services $123.25 General
Category: Endocrinology
05/16/2023 Novo Nordisk Inc Food and Beverage In-kind items and services $121.88 General
03/08/2023 Dexcom, Inc. Dexcom G6 Transmitter (Medical Supply) Food and Beverage In-kind items and services $14.43 General
Category: Endocrinology
01/13/2023 Dexcom, Inc. Dexcom G6 Transmitter (Medical Supply) Food and Beverage In-kind items and services $10.56 General
Category: Endocrinology
08/09/2022 Dexcom, Inc. Dexcom G6 Transmitter (Medical Supply) Food and Beverage In-kind items and services $157.10 General
Category: Endocrinology
09/29/2021 DEXCOM, INC. DEXCOM G6 TRANSMITTER (Device) Food and Beverage In-kind items and services $114.23 General
Category: ENDOCRINOLOGY
07/25/2019 Amgen Inc. EVENITY (Biological) Food and Beverage In-kind items and services $114.02 General
Category: Bone Health
07/16/2019 Dexcom, Inc. DEXCOM CGM (Device) Food and Beverage In-kind items and services $87.47 General
Category: ENDOCRINOLOGY
06/27/2019 Abbott Laboratories FreeStyle Libre (Device) Food and Beverage In-kind items and services $15.10 General
Category: Diabetes Care
06/18/2019 AbbVie, Inc. Food and Beverage In-kind items and services $115.00 General
05/14/2019 Dexcom, Inc. DEXCOM CGM (Device) Food and Beverage In-kind items and services $41.40 General
Category: ENDOCRINOLOGY
02/19/2019 Dexcom, Inc. DEXCOM CGM (Device) Food and Beverage In-kind items and services $17.43 General
Category: ENDOCRINOLOGY
07/26/2018 AbbVie, Inc. Synthroid (Drug) Food and Beverage In-kind items and services $96.26 General
Category: Endocrinology
06/28/2018 AbbVie, Inc. Synthroid (Drug) Food and Beverage In-kind items and services $5.72 General
Category: Endocrinology
05/19/2018 SANOFI-AVENTIS U.S. LLC SOLIQUA (Drug) Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Cash or cash equivalent $65.00 General
Category: DIABETES
04/11/2018 AbbVie, Inc. Synthroid (Drug) Food and Beverage In-kind items and services $99.45 General
Category: Endocrinology
08/18/2017 Abbott Laboratories CardioMEMS HF System (Device) Food and Beverage In-kind items and services $12.98 General
Category: Cardiac Arrhythmias and Heart Failure
07/20/2017 Dexcom, Inc. Dexcom G5 Mobile CGM System (Device) Food and Beverage In-kind items and services $10.61 General
Category: Diabetes
06/29/2017 Dexcom, Inc. Dexcom G5 Mobile CGM System (Device) Food and Beverage In-kind items and services $10.72 General
Category: Diabetes
06/20/2017 Novartis Pharmaceuticals Corporation ENTRESTO (Drug) Food and Beverage In-kind items and services $20.34 General
Category: CARDIOVASCULAR
06/12/2017 AbbVie, Inc. Synthroid (Drug) Food and Beverage In-kind items and services $12.24 General
Category: Endocrinology
05/23/2017 Dexcom, Inc. Dexcom G5 Mobile CGM System (Device) Food and Beverage In-kind items and services $99.65 General
Category: Diabetes

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 14 918 7,299 $403,097 $184,174
2022 12 939 6,703 $383,119 $164,338
2021 12 830 6,281 $375,941 $166,582
2020 11 762 5,285 $317,869 $126,635
Total Patients
3,449
Total Services
25,568
Medicare Billing
$641,729
Procedure Codes
49

All Medicare Procedures & Services

49 procedure records from CMS Medicare Utilization — Page 1 of 2

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
J0897 Injection, denosumab, 1 mg Office 2023 61 5,880 $207,360 $106,041 51.1%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 305 531 $103,014 $49,636 48.2%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2023 43 43 $13,373 $5,130 38.4%
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report Office 2023 73 165 $19,965 $4,358 21.8%
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 16 53 $7,685 $3,396 44.2%
83036 Hemoglobin a1c level Office 2023 180 344 $19,952 $3,275 16.4%
99215 Established patient office or other outpatient visit, 40-54 minutes Office 2023 20 22 $5,896 $2,974 50.4%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2023 35 38 $4,674 $2,623 56.1%
99443 Telephone medical discussion with physician, 21-30 minutes Office 2023 16 18 $4,500 $1,929 42.9%
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes Facility 2023 15 15 $3,810 $1,648 43.3%
96372 Injection of drug or substance under skin or into muscle Office 2023 56 84 $5,880 $992.68 16.9%
99203 New patient office or other outpatient visit, 30-44 minutes Office 2023 11 11 $2,255 $885.39 39.3%
36415 Insertion of needle into vein for collection of blood sample Office 2023 76 84 $2,940 $705.60 24.0%
95249 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin Office 2023 11 11 $1,793 $579.92 32.3%
J0897 Injection, denosumab, 1 mg Office 2022 51 5,280 $185,760 $86,300 46.5%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2022 306 527 $102,238 $48,815 47.7%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2022 53 53 $16,483 $6,322 38.4%
99215 Established patient office or other outpatient visit, 40-54 minutes Office 2022 40 44 $11,792 $5,958 50.5%
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report Office 2022 65 141 $17,061 $3,926 23.0%
83036 Hemoglobin a1c level Office 2022 202 367 $21,286 $3,522 16.5%
99213 Established patient office or other outpatient visit, 20-29 minutes Office 2022 42 43 $5,289 $2,876 54.4%
99232 Follow-up hospital inpatient care per day, typically 25 minutes Facility 2022 14 46 $6,670 $2,397 35.9%
99443 Telephone medical discussion with physician, 21-30 minutes Office 2022 13 16 $4,000 $1,607 40.2%
99203 New patient office or other outpatient visit, 30-44 minutes Office 2022 19 19 $3,895 $1,377 35.4%
96372 Injection of drug or substance under skin or into muscle Office 2022 48 80 $5,600 $981.67 17.5%

About Aileen Westrick

Aileen Westrick is a Endocrinology, Diabetes & Metabolism healthcare provider based in Carol Stream, Illinois. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/20/2009. The National Provider Identifier (NPI) number assigned to this provider is 1770710493.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Aileen Westrick has received a total of $1,734 in payments from pharmaceutical and medical device companies, with $154.49 received in 2024. These payments were reported across 34 transactions from 10 companies. The most common payment nature is "Food and Beverage" ($1,669).

As a Medicare-enrolled provider, Westrick has provided services to 3,449 Medicare beneficiaries, totaling 25,568 services with total Medicare billing of $641,729. Data is available for 4 years (2020–2023), covering 49 distinct procedure/service records.

Practice Information

  • Specialty Endocrinology, Diabetes & Metabolism
  • Other Specialties Diabetes & Metabolism
  • Location Carol Stream, IL
  • Active Since 06/20/2009
  • Last Updated 12/18/2014
  • Taxonomy Code 207RE0101X
  • Entity Type Individual
  • NPI Number 1770710493

Products in Payments

  • Dexcom G6 Transmitter (Medical Supply) $459.84
  • Synthroid (Drug) $213.67
  • Dexcom G5 Mobile CGM System (Device) $190.66
  • DEXCOM CGM (Device) $146.30
  • DEXCOM G6 TRANSMITTER (Device) $114.23
  • EVENITY (Biological) $114.02
  • SOLIQUA (Drug) $85.38
  • BD Nano (Device) $25.77
  • CONTOUR NEXT Test Strips (Device) $21.96
  • Corlanor (Drug) $21.79
  • JARDIANCE (Drug) $20.36
  • ENTRESTO (Drug) $20.34
  • Ozempic (Drug) $17.33
  • FreeStyle Libre (Device) $15.10
  • CardioMEMS HF System (Device) $12.98

Data Sources

Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.

Endocrinology, Diabetes & Metabolism Doctors in Carol Stream