Total Payments
$219,606
2024 Payments
$56,118
Companies
23
Transactions
174
Medicare Patients
1,133
Medicare Billing
$142,879
Payment Breakdown by Category
Consulting$180,274 (82.1%)
Travel$21,370 (9.7%)
Other$11,683 (5.3%)
Food & Beverage$3,471 (1.6%)
Research$2,808 (1.3%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $180,274 | 65 | 82.1% |
| Travel and Lodging | $21,370 | 50 | 9.7% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $9,995 | 3 | 4.6% |
| Food and Beverage | $3,471 | 49 | 1.6% |
| Unspecified | $2,808 | 6 | 1.3% |
| Honoraria | $1,688 | 1 | 0.8% |
Payments by Type
General
$216,798
168 transactions
Research
$2,808
6 transactions
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| ADC Therapeutics America, Inc. | $31,610 | 20 | $0 (2023) |
| Lilly USA, LLC | $26,102 | 10 | $0 (2024) |
| Celgene Corporation | $21,162 | 17 | $0 (2023) |
| ABBVIE INC. | $20,404 | 18 | $0 (2024) |
| AstraZeneca Pharmaceuticals LP | $17,598 | 16 | $0 (2024) |
| Genentech, Inc. | $11,532 | 8 | $0 (2023) |
| Genentech USA, Inc. | $10,785 | 8 | $0 (2024) |
| Pharmacyclics LLC, an AbbVie Company | $10,510 | 24 | $0 (2022) |
| E.R. Squibb & Sons, L.L.C. | $10,471 | 5 | $0 (2024) |
| Eli Lilly and Company | $10,009 | 4 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $56,118 | 24 | Lilly USA, LLC ($18,557) |
| 2023 | $45,993 | 43 | ADC Therapeutics America, Inc. ($14,811) |
| 2022 | $39,965 | 26 | ADC Therapeutics America, Inc. ($16,799) |
| 2021 | $17,588 | 8 | Eli Lilly and Company ($6,300) |
| 2020 | $7,245 | 4 | Celgene Corporation ($5,220) |
| 2019 | $21,142 | 26 | Celgene Corporation ($13,387) |
| 2018 | $26,650 | 38 | Sandoz Inc. ($8,930) |
| 2017 | $4,907 | 5 | Genentech, Inc. ($4,907) |
All Payment Transactions
174 individual payment records from CMS Open Payments — Page 1 of 7
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/19/2024 | ABBVIE INC. | EPKINLY (Drug) | Consulting Fee | Cash or cash equivalent | $1,450.00 | General |
| Category: ONCOLOGY | ||||||
| 12/16/2024 | ABBVIE INC. | EPKINLY (Drug) | Consulting Fee | Cash or cash equivalent | $2,537.50 | General |
| Category: ONCOLOGY | ||||||
| 12/09/2024 | AstraZeneca UK Limited | — | Food and Beverage | In-kind items and services | $135.00 | General |
| 12/06/2024 | ABBVIE INC. | EPKINLY (Drug) | Food and Beverage | In-kind items and services | $127.26 | General |
| Category: ONCOLOGY | ||||||
| 12/05/2024 | Genentech USA, Inc. | Polivy (Biological), Lunsumio, Columvi | Consulting Fee | Cash or cash equivalent | $2,280.00 | General |
| Category: BioOncology | ||||||
| 12/05/2024 | Genentech USA, Inc. | Polivy (Biological), Lunsumio, Columvi | Food and Beverage | In-kind items and services | $82.59 | General |
| Category: BioOncology | ||||||
| 10/28/2024 | Merck Sharp & Dohme LLC | — | Consulting Fee | Cash or cash equivalent | $3,050.00 | General |
| 10/23/2024 | AstraZeneca Pharmaceuticals LP | CALQUENCE (Drug) | Consulting Fee | Cash or cash equivalent | $3,425.00 | General |
| Category: Oncology | ||||||
| 10/15/2024 | E.R. Squibb & Sons, L.L.C. | — | Consulting Fee | Cash or cash equivalent | $2,865.00 | General |
| 09/27/2024 | Lilly USA, LLC | JAYPIRCA (Drug) | Consulting Fee | Cash or cash equivalent | $7,800.00 | General |
| Category: Oncology | ||||||
| 09/26/2024 | Lilly USA, LLC | JAYPIRCA (Drug) | Consulting Fee | Cash or cash equivalent | $5,600.00 | General |
| Category: Oncology | ||||||
| 09/26/2024 | Genentech USA, Inc. | Columvi (Biological), Lunsumio, Venclexta | Consulting Fee | Cash or cash equivalent | $1,900.00 | General |
| Category: BioOncology | ||||||
| 09/20/2024 | Lilly USA, LLC | — | Travel and Lodging | In-kind items and services | $5,157.10 | General |
| 09/12/2024 | ABBVIE INC. | — | Consulting Fee | Cash or cash equivalent | $2,900.00 | General |
| 08/08/2024 | E.R. Squibb & Sons, L.L.C. | — | Consulting Fee | Cash or cash equivalent | $2,076.00 | General |
| 08/01/2024 | AstraZeneca Pharmaceuticals LP | CALQUENCE (Drug) | Consulting Fee | Cash or cash equivalent | $2,055.00 | General |
| Category: Oncology | ||||||
| 07/17/2024 | Genmab U.S., Inc. | Epkinly (Drug) | Food and Beverage | In-kind items and services | $39.32 | General |
| Category: Oncology | ||||||
| 07/08/2024 | Genentech USA, Inc. | Venclexta (Biological), Lunsumio, Columvi | Consulting Fee | Cash or cash equivalent | $2,660.00 | General |
| Category: BioOncology | ||||||
| 07/03/2024 | Genmab U.S., Inc. | Epkinly (Drug) | Consulting Fee | Cash or cash equivalent | $5,200.00 | General |
| Category: Oncology | ||||||
| 06/11/2024 | Genmab U.S., Inc. | Epkinly (Drug) | Travel and Lodging | In-kind items and services | $408.95 | General |
| Category: Oncology | ||||||
| 06/11/2024 | Genmab U.S., Inc. | Epkinly (Drug) | Travel and Lodging | In-kind items and services | $365.70 | General |
| Category: Oncology | ||||||
| 06/11/2024 | Genmab U.S., Inc. | Epkinly (Drug) | Travel and Lodging | In-kind items and services | $355.20 | General |
| Category: Oncology | ||||||
| 06/11/2024 | Genmab U.S., Inc. | Epkinly (Drug) | Travel and Lodging | Cash or cash equivalent | $47.99 | General |
| Category: Oncology | ||||||
| 02/23/2024 | Eli Lilly and Company | JAYPIRCA (Drug) | Consulting Fee | Cash or cash equivalent | $3,600.00 | General |
| Category: Oncology | ||||||
| 09/27/2023 | ADC Therapeutics America, Inc. | — | Travel and Lodging | Cash or cash equivalent | $649.51 | General |
Research Studies & Clinical Trials
| Study Name | Company | Amount | Records |
|---|---|---|---|
| PCYC-1142-CA | Pharmacyclics LLC, An AbbVie Company | $2,808 | 6 |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 5 | 262 | 365 | $93,435 | $26,956 |
| 2022 | 5 | 250 | 400 | $92,030 | $31,207 |
| 2021 | 5 | 296 | 518 | $119,385 | $41,451 |
| 2020 | 6 | 325 | 586 | $146,980 | $43,265 |
Total Patients
1,133
Total Services
1,869
Medicare Billing
$142,879
Procedure Codes
24
All Medicare Procedures & Services
24 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 39 | 111 | $35,520 | $9,987 | 28.1% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Facility | 2023 | 29 | 40 | $12,265 | $3,914 | 31.9% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 44 | 44 | $9,680 | $3,018 | 31.2% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2023 | 21 | 27 | $8,370 | $2,966 | 35.4% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Facility | 2023 | 47 | 58 | $12,540 | $2,753 | 22.0% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 31 | 32 | $4,640 | $1,547 | 33.3% |
| 99239 | Hospital discharge day management, more than 30 minutes | Facility | 2023 | 16 | 17 | $5,270 | $1,493 | 28.3% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Facility | 2023 | 35 | 36 | $5,150 | $1,278 | 24.8% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Facility | 2022 | 65 | 135 | $38,635 | $14,311 | 37.0% |
| 99233 | Follow-up hospital inpatient care per day, typically 35 minutes | Facility | 2022 | 32 | 85 | $22,100 | $6,841 | 31.0% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Facility | 2022 | 66 | 84 | $16,915 | $5,431 | 32.1% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Facility | 2022 | 74 | 83 | $10,935 | $3,548 | 32.4% |
| 99239 | Hospital discharge day management, more than 30 minutes | Facility | 2022 | 13 | 13 | $3,445 | $1,075 | 31.2% |
| 99215 | Established patient outpatient visit, total time 40-54 minutes | Facility | 2021 | 78 | 173 | $47,575 | $17,953 | 37.7% |
| 99233 | Subsequent hospital inpatient care, typically 35 minutes per day | Facility | 2021 | 41 | 132 | $34,320 | $10,535 | 30.7% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Facility | 2021 | 79 | 103 | $20,085 | $6,933 | 34.5% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Facility | 2021 | 76 | 87 | $11,310 | $4,089 | 36.2% |
| 99239 | Hospital discharge day management, more than 30 minutes | Facility | 2021 | 22 | 23 | $6,095 | $1,940 | 31.8% |
| 99215 | Established patient office or other outpatient, visit typically 40 minutes | Facility | 2020 | 103 | 232 | $63,800 | $18,987 | 29.8% |
| 99233 | Subsequent hospital inpatient care, typically 35 minutes per day | Facility | 2020 | 54 | 161 | $41,055 | $12,946 | 31.5% |
| 99214 | Established patient office or other outpatient, visit typically 25 minutes | Facility | 2020 | 80 | 103 | $20,085 | $4,875 | 24.3% |
| 99239 | Hospital discharge day management, more than 30 minutes | Facility | 2020 | 38 | 38 | $9,880 | $3,106 | 31.4% |
| 99223 | Initial hospital inpatient care, typically 70 minutes per day | Facility | 2020 | 15 | 15 | $7,350 | $2,368 | 32.2% |
| 99213 | Established patient office or other outpatient visit, typically 15 minutes | Facility | 2020 | 35 | 37 | $4,810 | $983.45 | 20.4% |
About Dr. Kami Maddocks, MD
Dr. Kami Maddocks, MD is a Hematology healthcare provider based in Columbus, Ohio. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 07/27/2006. The National Provider Identifier (NPI) number assigned to this provider is 1689698284.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Kami Maddocks, MD has received a total of $219,606 in payments from pharmaceutical and medical device companies, with $56,118 received in 2024. These payments were reported across 174 transactions from 23 companies. The most common payment nature is "Consulting Fee" ($180,274).
As a Medicare-enrolled provider, Maddocks has provided services to 1,133 Medicare beneficiaries, totaling 1,869 services with total Medicare billing of $142,879. Data is available for 4 years (2020–2023), covering 24 distinct procedure/service records.
Ad
Practice Information
- Specialty Hematology
- Location Columbus, OH
- Active Since 07/27/2006
- Last Updated 08/21/2025
- Taxonomy Code 207RH0000X
- Entity Type Individual
- NPI Number 1689698284
Products in Payments
- JAYPIRCA (Drug) $17,000
- CALQUENCE (Drug) $12,908
- Imbruvica (Drug) $7,152
- EPKINLY (Drug) $6,874
- Revlimid (Drug) $6,831
- Epkinly (Drug) $6,438
- Aliqopa (Drug) $5,725
- Polivy (Biological) $5,363
- Rituxan (Biological) $4,907
- Columvi (Biological) $3,800
- Ibrutinib (Drug) $2,808
- Venclexta (Biological) $2,660
- Rituxan (Drug) $2,320
- BRUKINSA (Drug) $2,275
- IMBRUVICA (Drug) $2,065
- POLIVY (Biological) $1,925
- TAZVERIK (Drug) $1,688
- ADCETRIS (Biological) $1,375
- GAZYVA (Biological) $27.14
- RINVOQ (Biological) $15.46
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.
Hematology Doctors in Columbus
Uma Borate, M.d, M.D
Hematology — Payments: $320,191
Hematology $320,191
Yvonne Efebera, Md, MD
Hematology — Payments: $194,251
Hematology $194,251
Amy Dunn, Md, MD
Hematology — Payments: $179,229
Hematology $179,229
Naresh Bumma, M.d, M.D
Hematology — Payments: $122,420
Hematology $122,420
Sameh Mikhail, M.d, M.D
Hematology — Payments: $102,657
Hematology $102,657
Dr. Kerry Rogers, Md, MD
Hematology — Payments: $82,508
Hematology $82,508