Total Payments
$429,182
2024 Payments
$87,420
Companies
76
Transactions
1,402
Medicare Patients
44,258
Medicare Billing
$1.7M
Payment Breakdown by Category
Other$379,705 (88.5%)
Food & Beverage$27,799 (6.5%)
Consulting$12,703 (3.0%)
Travel$8,926 (2.1%)
Education$49.16 (0.0%)
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 | $379,705 | 269 | 88.5% |
| Food and Beverage | $27,799 | 994 | 6.5% |
| Consulting Fee | $12,703 | 9 | 3.0% |
| Travel and Lodging | $8,926 | 125 | 2.1% |
| Education | $49.16 | 5 | 0.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $220,151 | 337 | $0 (2024) |
| Lilly USA, LLC | $151,393 | 279 | $0 (2024) |
| Esperion Therapeutics, Inc. | $16,242 | 41 | $0 (2023) |
| Janssen Pharmaceuticals, Inc | $12,746 | 28 | $0 (2018) |
| AstraZeneca Pharmaceuticals LP | $12,605 | 77 | $0 (2023) |
| Amgen Inc. | $2,471 | 87 | $0 (2024) |
| ABBVIE INC. | $2,463 | 121 | $0 (2024) |
| CeQur Corporation | $2,367 | 3 | $0 (2024) |
| Bayer Healthcare Pharmaceuticals Inc. | $902.91 | 41 | $0 (2024) |
| SANOFI-AVENTIS U.S. LLC | $794.15 | 39 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $87,420 | 222 | Lilly USA, LLC ($50,444) |
| 2023 | $73,529 | 202 | Lilly USA, LLC ($41,404) |
| 2022 | $45,604 | 192 | Boehringer Ingelheim Pharmaceuticals, Inc. ($23,532) |
| 2021 | $53,230 | 178 | Boehringer Ingelheim Pharmaceuticals, Inc. ($23,603) |
| 2020 | $29,519 | 128 | Boehringer Ingelheim Pharmaceuticals, Inc. ($16,331) |
| 2019 | $42,678 | 184 | Boehringer Ingelheim Pharmaceuticals, Inc. ($28,311) |
| 2018 | $37,992 | 123 | Boehringer Ingelheim Pharmaceuticals, Inc. ($35,306) |
| 2017 | $59,210 | 173 | Boehringer Ingelheim Pharmaceuticals, Inc. ($31,103) |
All Payment Transactions
1,402 individual payment records from CMS Open Payments — Page 1 of 57
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/20/2024 | Dexcom, Inc. | Dexcom G6 Transmitter (Medical Supply) | Food and Beverage | In-kind items and services | $16.63 | General |
| Category: Endocrinology | ||||||
| 12/18/2024 | Corcept Therapeutics | Korlym (Drug) | Food and Beverage | In-kind items and services | $19.97 | General |
| Category: Endocrinology | ||||||
| 12/18/2024 | Lilly USA, LLC | JARDIANCE (Drug) | Food and Beverage | In-kind items and services | $14.28 | General |
| Category: Diabetes | ||||||
| 12/16/2024 | Novo Nordisk Inc | Ozempic (Drug), Rybelsus | Food and Beverage | In-kind items and services | $17.06 | General |
| Category: Diabetes | ||||||
| 12/11/2024 | Boehringer Ingelheim Pharmaceuticals, Inc. | JARDIANCE (Drug) | Food and Beverage | In-kind items and services | $25.33 | General |
| Category: DIABETES | ||||||
| 11/29/2024 | Novartis Pharmaceuticals Corporation | LEQVIO (Drug) | Food and Beverage | In-kind items and services | $16.78 | General |
| Category: Cardiology/Vascular Diseases | ||||||
| 11/26/2024 | Antares Pharma, Inc. | XYOSTED (Drug) | Food and Beverage | In-kind items and services | $13.14 | General |
| Category: TESTOSTERONE REPLACEMENT THERAPY | ||||||
| 11/25/2024 | Mannkind Corporation | AFREZZA (Drug) | Food and Beverage | In-kind items and services | $16.16 | General |
| Category: DIABETES MEDICINE | ||||||
| 11/21/2024 | Amgen Inc. | Repatha (Biological) | Food and Beverage | In-kind items and services | $22.89 | General |
| Category: Cardiology | ||||||
| 11/20/2024 | Verity Pharmaceuticals Inc. | Tlando (Drug) | Food and Beverage | Cash or cash equivalent | $22.09 | General |
| Category: Testosterone Replacement Therapy (TRT) | ||||||
| 11/19/2024 | Rhythm Pharmaceuticals, Inc. | IMCIVREE (Drug) | Food and Beverage | In-kind items and services | $14.67 | General |
| Category: Genetic Disease | ||||||
| 11/13/2024 | Lilly USA, LLC | MOUNJARO (Drug) | Food and Beverage | In-kind items and services | $19.78 | General |
| Category: Diabetes | ||||||
| 11/08/2024 | Mallinckrodt Hospital Products Inc. | ACTHAR (Biological) | Food and Beverage | In-kind items and services | $16.57 | General |
| Category: IMMUNOLOGY | ||||||
| 11/05/2024 | Alexion Pharmaceuticals, Inc. | STRENSIQ (Biological) | Food and Beverage | In-kind items and services | $17.96 | General |
| Category: Rare Disease | ||||||
| 11/05/2024 | Amgen Inc. | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $13.96 | General |
| Category: Inflammation/Rare Disease | ||||||
| 11/04/2024 | Dexcom, Inc. | Dexcom G6 Transmitter (Medical Supply) | Food and Beverage | In-kind items and services | $16.85 | General |
| Category: Endocrinology | ||||||
| 10/30/2024 | Boehringer Ingelheim Pharmaceuticals, Inc. | JARDIANCE (Drug) | Food and Beverage | In-kind items and services | $11.11 | General |
| Category: DIABETES | ||||||
| 10/29/2024 | ABBVIE INC. | UBRELVY (Drug), SYNTHROID | Food and Beverage | In-kind items and services | $15.99 | General |
| Category: NEUROSCIENCE | ||||||
| 10/25/2024 | Bayer Healthcare Pharmaceuticals Inc. | Kerendia (Drug) | Food and Beverage | In-kind items and services | $103.20 | General |
| Category: Cardio-renal | ||||||
| 10/24/2024 | Dexcom, Inc. | Dexcom G6 Transmitter (Medical Supply) | Food and Beverage | In-kind items and services | $18.03 | General |
| Category: Endocrinology | ||||||
| 10/23/2024 | Amgen Inc. | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $75.64 | General |
| Category: Inflammation/Rare Disease | ||||||
| 10/23/2024 | Madrigal Pharmaceuticals | RESMETIROM (Drug) | Food and Beverage | In-kind items and services | $42.96 | General |
| Category: LIVER DISEASE | ||||||
| 10/21/2024 | Novartis Pharmaceuticals Corporation | — | Food and Beverage | In-kind items and services | $26.57 | General |
| 10/17/2024 | Boehringer Ingelheim Pharmaceuticals, Inc. | JARDIANCE (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 | $2,650.00 | General |
| Category: DIABETES | ||||||
| 10/17/2024 | Amgen Inc. | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $119.76 | General |
| Category: Inflammation/Rare Disease | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 46 | 11,021 | 22,798 | $1.4M | $431,547 |
| 2022 | 53 | 11,766 | 23,256 | $1.4M | $446,345 |
| 2021 | 50 | 10,573 | 21,009 | $1.3M | $405,049 |
| 2020 | 49 | 10,898 | 21,142 | $1.3M | $388,356 |
Total Patients
44,258
Total Services
88,205
Medicare Billing
$1.7M
Procedure Codes
198
All Medicare Procedures & Services
198 procedure records from CMS Medicare Utilization — Page 1 of 8
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 374 | 910 | $238,450 | $87,766 | 36.8% |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office | 2023 | 126 | 851 | $105,823 | $43,351 | 41.0% |
| 83970 | Parathormone (parathyroid hormone) level | Office | 2023 | 359 | 762 | $100,584 | $30,574 | 30.4% |
| 82306 | Vitamin d-3 level | Office | 2023 | 349 | 739 | $70,205 | $21,239 | 30.3% |
| 84403 | Testosterone (hormone) level, total | Office | 2023 | 310 | 568 | $47,144 | $14,241 | 30.2% |
| 84681 | C-peptide (protein) level | Office | 2023 | 318 | 610 | $40,260 | $12,360 | 30.7% |
| 84443 | Blood test, thyroid stimulating hormone (tsh) | Office | 2023 | 348 | 737 | $39,798 | $12,018 | 30.2% |
| 84270 | Sex hormone binding globulin (protein) level | Office | 2023 | 309 | 567 | $22,680 | $11,973 | 52.8% |
| 82670 | Measurement of total estradiol (hormone) | Office | 2023 | 202 | 395 | $33,575 | $10,678 | 31.8% |
| 82607 | Cyanocobalamin (vitamin b-12) level | Office | 2023 | 346 | 717 | $38,001 | $10,525 | 27.7% |
| 82728 | Ferritin (blood protein) level | Office | 2023 | 367 | 784 | $35,280 | $10,382 | 29.4% |
| 84480 | Thyroid hormone, t3 measurement, total | Office | 2023 | 349 | 739 | $33,255 | $10,177 | 30.6% |
| 82746 | Folic acid level, serum | Office | 2023 | 349 | 706 | $33,182 | $10,074 | 30.4% |
| 86376 | Microsomal antibodies (autoantibody) measurement | Office | 2023 | 339 | 674 | $60,660 | $9,540 | 15.7% |
| 86769 | Measure of severe acute respiratory syndrome coronavirus 2 (covid-19) antibody | Office | 2023 | 132 | 187 | $14,212 | $7,721 | 54.3% |
| 36415 | Insertion of needle into vein for collection of blood sample | Office | 2023 | 376 | 890 | $17,800 | $7,426 | 41.7% |
| 80048 | Blood test, basic group of blood chemicals (calcium, total) | Office | 2023 | 373 | 872 | $36,624 | $7,164 | 19.6% |
| 83001 | Gonadotropin, follicle stimulating (reproductive hormone) level | Office | 2023 | 201 | 394 | $32,702 | $7,084 | 21.7% |
| 83002 | Gonadotropin, luteinizing (reproductive hormone) level | Office | 2023 | 201 | 394 | $32,702 | $7,060 | 21.6% |
| 83036 | Hemoglobin a1c level | Office | 2023 | 347 | 738 | $23,616 | $6,960 | 29.5% |
| 80076 | Liver function blood test panel | Office | 2023 | 370 | 858 | $35,178 | $6,809 | 19.4% |
| 83550 | Iron binding capacity | Office | 2023 | 367 | 784 | $22,736 | $6,660 | 29.3% |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Office | 2023 | 370 | 862 | $25,860 | $6,500 | 25.1% |
| 84439 | Thyroxine (thyroid chemical), free | Office | 2023 | 349 | 739 | $44,340 | $6,472 | 14.6% |
| 82533 | Cortisol (hormone) measurement, total | Office | 2023 | 277 | 405 | $24,300 | $6,452 | 26.6% |
About Dr. Ku-Juey Raymond Chang, M.D
Dr. Ku-Juey Raymond Chang, M.D is a Nephrology healthcare provider based in Lake Forest, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/01/2006. The National Provider Identifier (NPI) number assigned to this provider is 1689611337.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Ku-Juey Raymond Chang, M.D has received a total of $429,182 in payments from pharmaceutical and medical device companies, with $87,420 received in 2024. These payments were reported across 1,402 transactions from 76 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" ($379,705).
As a Medicare-enrolled provider, Chang has provided services to 44,258 Medicare beneficiaries, totaling 88,205 services with total Medicare billing of $1.7M. Data is available for 4 years (2020–2023), covering 198 distinct procedure/service records.
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Practice Information
- Specialty Nephrology
- Other Specialties Diabetes & Metabolism
- Location Lake Forest, CA
- Active Since 06/01/2006
- Last Updated 12/02/2015
- Taxonomy Code 207RN0300X
- Entity Type Individual
- NPI Number 1689611337
Products in Payments
- JARDIANCE (Drug) $367,913
- INVOKANA (Drug) $12,746
- NEXLIZET (Drug) $11,380
- BYDUREON (Drug) $6,731
- FARXIGA (Drug) $5,860
- NEXLETOL (Drug) $4,863
- CeQur Simplicity (Device) $2,367
- UBRELVY (Drug) $941.66
- Kerendia (Drug) $902.91
- KRYSTEXXA (Biological) $795.27
- Repatha (Biological) $764.85
- SYNTHROID (Drug) $756.54
- Aimovig (Biological) $677.73
- Korlym (Drug) $591.40
- LEQVIO (Drug) $512.48
- NURTEC ODT (Drug) $409.13
- Vascepa (Drug) $363.69
- Ozempic (Drug) $297.87
- TARPEYO (Drug) $281.21
- Synthroid (Drug) $252.99
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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.