Dr. John Parker, M.D

NPI: 1457345928
Total Payments
$263,651
2024 Payments
$69,138
Companies
71
Transactions
1,617
Medicare Patients
27,781
Medicare Billing
$1.6M

Payment Breakdown by Category

Other$109,985 (41.7%)
Research$82,064 (31.1%)
Consulting$39,018 (14.8%)
Food & Beverage$23,975 (9.1%)
Travel$8,264 (3.1%)
Education$344.89 (0.1%)

Payments by Nature

Nature of Payment Amount Transactions Share
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $89,154 71 33.8%
Unspecified $82,064 20 31.1%
Consulting Fee $39,018 39 14.8%
Food and Beverage $23,975 1,421 9.1%
Honoraria $16,770 12 6.4%
Travel and Lodging $8,264 19 3.1%
Compensation for serving as faculty or as a speaker for a medical education program $2,997 4 1.1%
Compensation for serving as faculty or as a speaker for an accredited or certified continuing education program $1,014 3 0.4%
Education $344.89 27 0.1%
Long term medical supply or device loan $49.95 1 0.0%

Payments by Type

General
$181,587
1,597 transactions
Research
$82,064
20 transactions

Top Paying Companies

Company Total Records Latest Year
Eli Lilly and Company $81,644 18 $0 (2024)
Corcept Therapeutics $59,348 127 $0 (2024)
Novo Nordisk Inc $41,402 241 $0 (2024)
AstraZeneca Pharmaceuticals LP $35,551 139 $0 (2024)
PFIZER INC. $9,679 22 $0 (2024)
Esperion Therapeutics, Inc. $6,651 16 $0 (2024)
Dexcom, Inc. $5,742 12 $0 (2023)
Insulet Corporation $4,662 30 $0 (2024)
Tandem Diabetes Care, Inc. $3,315 27 $0 (2024)
Lilly USA, LLC $1,901 158 $0 (2024)

Payment History by Year

Year Amount Transactions Top Company
2024 $69,138 170 Eli Lilly and Company ($35,760)
2023 $37,002 193 Novo Nordisk Inc ($11,178)
2022 $14,546 157 Novo Nordisk Inc ($7,335)
2021 $23,306 192 AstraZeneca Pharmaceuticals LP ($7,427)
2020 $28,897 175 AstraZeneca Pharmaceuticals LP ($15,153)
2019 $21,819 251 Corcept Therapeutics ($9,862)
2018 $47,836 231 Eli Lilly and Company ($30,123)
2017 $21,107 248 Eli Lilly and Company ($11,713)

All Payment Transactions

1,617 individual payment records from CMS Open Payments — Page 1 of 65

Date Company Product Nature Form Amount Type
12/31/2024 Abbott Laboratories FREESTYLE LIBRE 3 (Device) Food and Beverage In-kind items and services $2.39 General
Category: Diabetes Care
12/27/2024 Abbott Laboratories FREESTYLE LIBRE 3 (Device) Food and Beverage In-kind items and services $14.69 General
Category: Diabetes Care
12/17/2024 Boehringer Ingelheim Pharmaceuticals, Inc. JARDIANCE (Drug) Food and Beverage In-kind items and services $23.69 General
Category: DIABETES
12/13/2024 Corcept Therapeutics Korlym (Drug) Food and Beverage In-kind items and services $25.80 General
Category: Endocrinology
12/12/2024 Insulet Corporation Omnipod (Device) Food and Beverage Cash or cash equivalent $125.00 General
Category: Insulin Pump
12/11/2024 Corcept Therapeutics Korlym (Drug) Consulting Fee Cash or cash equivalent $655.00 General
Category: Endocrinology
12/11/2024 Neurocrine Biosciences, Inc. Food and Beverage In-kind items and services $22.16 General
12/10/2024 Abbott Laboratories FREESTYLE LIBRE 3 (Device) Food and Beverage In-kind items and services $13.60 General
Category: Diabetes Care
12/06/2024 Averitas Pharma Inc. QUTENZA (Drug) Food and Beverage In-kind items and services $33.07 General
Category: PAIN MANAGEMENT
12/06/2024 Antares Pharma, Inc. XYOSTED (Drug) Food and Beverage In-kind items and services $24.05 General
Category: TESTOSTERONE REPLACEMENT THERAPY
12/05/2024 Tandem Diabetes Care, Inc. t:slim X2 Insulin Pump with Control-IQ (Device) Food and Beverage In-kind items and services $18.88 General
Category: Endocrinology
12/04/2024 SANOFI-AVENTIS U.S. LLC TZIELD (Biological) Food and Beverage In-kind items and services $21.77 General
Category: Endocrine & Metabolic Diseases
11/26/2024 Novo Nordisk Inc Rybelsus (Drug), Ozempic Food and Beverage In-kind items and services $21.54 General
Category: Diabetes
11/22/2024 Novo Nordisk Inc Wegovy (Drug) Food and Beverage In-kind items and services $17.68 General
Category: Obesity
11/22/2024 Antares Pharma, Inc. XYOSTED (Drug) Food and Beverage In-kind items and services $15.42 General
Category: TESTOSTERONE REPLACEMENT THERAPY
11/20/2024 Boehringer Ingelheim Pharmaceuticals, Inc. JARDIANCE (Drug) Food and Beverage In-kind items and services $25.07 General
Category: DIABETES
11/19/2024 Lilly USA, LLC JARDIANCE (Drug) Food and Beverage In-kind items and services $17.34 General
Category: Diabetes
11/14/2024 Novo Nordisk Inc Wegovy (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 $2,437.50 General
Category: Obesity
11/14/2024 Novo Nordisk Inc Wegovy (Drug) Food and Beverage In-kind items and services $115.76 General
Category: Obesity
11/12/2024 Bayer Healthcare Pharmaceuticals Inc. Kerendia (Drug) Food and Beverage In-kind items and services $23.03 General
Category: Cardio-renal
11/12/2024 Eli Lilly and Company In-kind items and services $1.62 Research
Study: A PHASE 3, RANDOMIZED, DOUBLE-BLIND STUDY TO EVALUATE THE EFFICACY AND SAFETY OF RETATRUTIDE COMPARED TO TIRZEPATIDE IN ADULTS WHO HAVE OBESITY
11/06/2024 Abbott Laboratories FREESTYLE LIBRE 3 (Device) Food and Beverage In-kind items and services $18.22 General
Category: Diabetes Care
10/31/2024 Novo Nordisk Inc Wegovy (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 $3,843.75 General
Category: Obesity
10/29/2024 Novartis Pharmaceuticals Corporation LEQVIO (Drug) Food and Beverage In-kind items and services $17.54 General
Category: Cardiology/Vascular Diseases
10/25/2024 AstraZeneca Pharmaceuticals LP FARXIGA (Drug) Food and Beverage In-kind items and services $18.82 General
Category: Cardiovascular and Metabolism

Research Studies & Clinical Trials

Study Name Company Amount Records
A PROSPECTIVE, RANDOMIZED, DOUBLE-BLIND COMPARISON OF LY900014 TO INSULIN LISPRO WITH AN OPEN-LABEL POSTPRANDIAL LY900014 TREATMENT GROUP, IN COMBINATION WITH INSULIN GLARGINE OR INSULIN DEGLUDEC, IN ADULTS WITH TYPE 1 DIABETES PRONTO-T1D Eli Lilly and Company $41,836 3
A PHASE 3, RANDOMIZED, MULTICENTER, DOUBLE-BLIND STUDY TO INVESTIGATE THE EFFICACY AND SAFETY OF RETATRUTIDE ONCE WEEKLY COMPARED WITH PLACEBO IN ADULT PARTICIPANTS WITH TYPE 2 DIABETES AND INADEQUATE GLYCEMIC CONTROL WITH DIET AND EXERCISE ALONE (TRANSCEND-T2D-1) Eli Lilly and Company $27,235 2
A STUDY OF DAILY ORAL ORFORGLIPRON (LY3502970) COMPARED WITH INSULIN GLARGINE IN PARTICIPANTS WITH TYPE 2 DIABETES AND OBESITY OR OVERWEIGHT AT INCREASED CARDIOVASCULAR RISK (ACHIEVE-4) Eli Lilly and Company $8,830 3
A RANDOMIZED, PHASE 3, OPEN LABEL TRIAL COMPARING THE EFFECT OF THE ADDITION OF TIRZEPATIDE ONCE WEEKLY VERSUS INSULIN LISPRO (U100) THREE TIMES DAILY IN PARTICIPANTS WITH TYPE 2 DIABETES INADEQUATELY CONTROLLED ON INSULIN GLARGINE (U100) WITH OR WITHOUT METFORMIN (SURPASS 6) Eli Lilly and Company $1,963 3
A PHASE 2 STUDY OF ONCE-WEEKLY LY3437943 COMPARED WITH PLACEBO AND DULAGLUTIDE IN PARTICIPANTS WITH TYPE 2 DIABETES Eli Lilly and Company $863.09 1
A PHASE 2, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED STUDY TO ASSESS THE EFFICACY AND SAFETY OF INVESTIGATIONAL TIRZEPATIDE DOSES IN PARTICIPANTS WITH TYPE 2 DIABETES AND OBESITY Eli Lilly and Company $527.07 1
NN143-4625 Novo Nordisk AS $420.00 2
THE EFFECT OF TIRZEPATIDE VERSUS DULAGLUTIDE ON MAJOR ADVERSE CARDIOVASCULAR EVENTS IN PATIENTS WITH TYPE 2 DIABETES (SURPASS CVOT) Eli Lilly and Company $268.58 1
A RANDOMIZED, PHASE 3, OPEN-LABEL TRIAL COMPARING THE EFFECT OF LY3298176 VERSUS TITRATED INSULIN DEGLUDEC ON GLYCEMIC CONTROL IN PATIENTS WITH TYPE 2 DIABETES Eli Lilly and Company $50.00 1
A STUDY OF TIRZEPATIDE (LY3298176) ONCE A WEEK VERSUS INSULIN GLARGINE ONCE A DAY IN PARTICIPANTS WITH TYPE 2 DIABETES AND INCREASED CARDIOVASCULAR RISK Eli Lilly and Company $50.00 1
A MULTICENTER, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED, PHASE 3 STUDY TO EVALUATE THE EFFICACY AND SAFETY OF BARICITINIB IN ADULT PATIENTS WITH SEVERE ALOPECIA AREATA Eli Lilly and Company $19.30 1
A PHASE 3, RANDOMIZED, DOUBLE-BLIND STUDY TO EVALUATE THE EFFICACY AND SAFETY OF RETATRUTIDE COMPARED TO TIRZEPATIDE IN ADULTS WHO HAVE OBESITY Eli Lilly and Company $1.62 1

Medicare Billing by Year

Year Procedures Beneficiaries Services Submitted Medicare Paid
2023 33 6,086 16,458 $1.1M $394,397
2022 38 7,015 42,702 $1.2M $439,538
2021 43 7,326 51,081 $1.2M $442,302
2020 40 7,354 54,539 $1.1M $372,804
Total Patients
27,781
Total Services
164,780
Medicare Billing
$1.6M
Procedure Codes
154

All Medicare Procedures & Services

154 procedure records from CMS Medicare Utilization — Page 1 of 7

HCPCS Description Setting Year Patients Services Charges Medicare Paid Ratio
J0897 Injection, denosumab, 1 mg Office 2023 70 7,200 $237,600 $131,712 55.4%
99215 Established patient office or other outpatient visit, 40-54 minutes Office 2023 508 711 $202,635 $86,495 42.7%
99214 Established patient office or other outpatient visit, 30-39 minutes Office 2023 473 614 $128,940 $50,257 39.0%
76536 Ultrasound scan of head and neck soft tissue Office 2023 312 318 $89,040 $24,801 27.9%
84443 Blood test, thyroid stimulating hormone (tsh) Office 2023 679 1,082 $64,920 $17,773 27.4%
36415 Insertion of needle into vein for collection of blood sample Office 2023 828 1,378 $34,450 $11,575 33.6%
80053 Blood test, comprehensive group of blood chemicals Office 2023 604 960 $57,600 $9,920 17.2%
84439 Thyroxine (thyroid chemical), free Office 2023 596 948 $47,400 $8,347 17.6%
82306 Vitamin d-3 level Office 2023 204 262 $19,650 $7,580 38.6%
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report Office 2023 142 274 $29,592 $6,970 23.6%
84481 Thyroid hormone, t3 measurement, free Office 2023 253 367 $22,020 $6,055 27.5%
83036 Hemoglobin a1c level Office 2023 325 550 $19,250 $5,229 27.2%
80061 Blood test, lipids (cholesterol and triglycerides) Office 2023 177 306 $13,770 $4,015 29.2%
99204 New patient office or other outpatient visit, 45-59 minutes Office 2023 36 36 $11,520 $4,001 34.7%
84403 Testosterone (hormone) level, total Office 2023 63 120 $12,120 $3,035 25.0%
83970 Parathormone (parathyroid hormone) level Office 2023 59 73 $5,110 $2,953 57.8%
96372 Injection of drug or substance under skin or into muscle Office 2023 80 225 $12,600 $2,105 16.7%
82533 Cortisol (hormone) measurement, total Office 2023 69 105 $5,565 $1,677 30.1%
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes Facility 2023 14 24 $3,696 $1,444 39.1%
82043 Urine microalbumin (protein) level Office 2023 142 238 $4,760 $1,347 28.3%
82570 Creatinine level to test for kidney function or muscle injury Office 2023 142 238 $8,330 $1,209 14.5%
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count Office 2023 81 139 $5,560 $1,058 19.0%
77080 Dxa bone density measurement of hip, pelvis, spine Office 2023 22 22 $6,138 $780.78 12.7%
82627 Dehydroepiandrosterone (dhea-s) hormone level Office 2023 21 29 $1,740 $631.91 36.3%
82607 Cyanocobalamin (vitamin b-12) level Office 2023 25 40 $1,800 $591.20 32.8%

About Dr. John Parker, M.D

Dr. John Parker, M.D is a Endocrinology, Diabetes & Metabolism healthcare provider based in Wilmington, North Carolina. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 09/09/2005. The National Provider Identifier (NPI) number assigned to this provider is 1457345928.

According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. John Parker, M.D has received a total of $263,651 in payments from pharmaceutical and medical device companies, with $69,138 received in 2024. These payments were reported across 1,617 transactions from 71 companies. The most common payment nature is "Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program" ($89,154).

As a Medicare-enrolled provider, Parker has provided services to 27,781 Medicare beneficiaries, totaling 164,780 services with total Medicare billing of $1.6M. Data is available for 4 years (2020–2023), covering 154 distinct procedure/service records.

Practice Information

  • Specialty Endocrinology, Diabetes & Metabolism
  • Other Specialties Diabetes & Metabolism
  • Location Wilmington, NC
  • Active Since 09/09/2005
  • Last Updated 02/08/2021
  • Taxonomy Code 207RE0101X
  • Entity Type Individual
  • NPI Number 1457345928

Products in Payments

  • Korlym (Drug) $59,348
  • FARXIGA (Drug) $35,376
  • Wegovy (Drug) $31,925
  • Saxenda (Drug) $7,644
  • Dexcom CGM (Device) $5,661
  • NEXLIZET (Drug) $5,151
  • Omnipod (Device) $4,662
  • t-slim insulin pump (Device) $3,162
  • JARDIANCE (Drug) $1,782
  • NEXLETOL (Drug) $1,500
  • Ozempic (Drug) $1,074
  • EVENITY (Biological) $700.89
  • Strensiq (Drug) $611.13
  • HUMULIN (Drug) $607.35
  • JANUVIA (Drug) $574.05
  • Repatha (Biological) $494.84
  • Kerendia (Drug) $479.58
  • FREESTYLE LIBRE 3 (Device) $445.97
  • SOLIQUA 100/33 (Biological) $410.79
  • XYOSTED (Drug) $390.65

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 Wilmington