Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $6,808 | 315 | 100.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Gilead Sciences, Inc. | $1,627 | 78 | $0 (2024) |
| ABBVIE INC. | $1,020 | 41 | $0 (2024) |
| Amgen Inc. | $777.29 | 34 | $0 (2024) |
| PFIZER INC. | $434.62 | 22 | $0 (2024) |
| Lilly USA, LLC | $404.59 | 20 | $0 (2024) |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $358.73 | 17 | $0 (2023) |
| Janssen Pharmaceuticals, Inc | $350.76 | 19 | $0 (2021) |
| AstraZeneca Pharmaceuticals LP | $279.47 | 14 | $0 (2023) |
| Merck Sharp & Dohme Corporation | $250.56 | 14 | $0 (2020) |
| Abbott Laboratories | $213.03 | 2 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $759.54 | 32 | Gilead Sciences, Inc. ($256.89) |
| 2023 | $797.06 | 32 | ABBVIE INC. ($205.86) |
| 2022 | $846.59 | 32 | ABBVIE INC. ($229.20) |
| 2021 | $593.55 | 31 | Janssen Pharmaceuticals, Inc ($216.61) |
| 2020 | $704.01 | 32 | Amgen Inc. ($209.30) |
| 2019 | $701.68 | 36 | Gilead Sciences, Inc. ($181.20) |
| 2018 | $985.72 | 55 | PFIZER INC. ($253.45) |
| 2017 | $1,420 | 65 | Gilead Sciences Inc ($308.38) |
All Payment Transactions
315 individual payment records from CMS Open Payments — Page 1 of 13
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 11/29/2024 | Lilly USA, LLC | JARDIANCE (Drug) | Food and Beverage | In-kind items and services | $32.74 | General |
| Category: Diabetes | ||||||
| 11/27/2024 | ABBVIE INC. | LINZESS (Drug), CREON | Food and Beverage | In-kind items and services | $26.72 | General |
| Category: GASTROENTEROLOGY | ||||||
| 11/22/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $34.90 | General |
| 11/13/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $34.85 | General |
| 10/26/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $22.51 | General |
| 10/23/2024 | Novo Nordisk Inc | Rybelsus (Drug), Tresiba, Ozempic | Food and Beverage | In-kind items and services | $24.71 | General |
| Category: Diabetes | ||||||
| 10/15/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $22.55 | General |
| 10/09/2024 | ABBVIE INC. | LINZESS (Drug), CREON | Food and Beverage | In-kind items and services | $29.20 | General |
| Category: GASTROENTEROLOGY | ||||||
| 10/07/2024 | PFIZER INC. | NURTEC ODT (Drug), ZAVZPRET | Food and Beverage | In-kind items and services | $28.73 | General |
| Category: PAIN | ||||||
| 10/07/2024 | GlaxoSmithKline, LLC. | AREXVY (Drug), SHINGRIX | Food and Beverage | In-kind items and services | $23.29 | General |
| Category: RESPIRATORY | ||||||
| 10/01/2024 | Abbott Laboratories | PROCLAIM (Device) | Food and Beverage | In-kind items and services | $14.33 | General |
| Category: Neuromodulation | ||||||
| 09/17/2024 | ABBVIE INC. | CREON (Drug), LINZESS | Food and Beverage | In-kind items and services | $10.14 | General |
| Category: ENDOCRINOLOGY | ||||||
| 08/27/2024 | Bayer Healthcare Pharmaceuticals Inc. | Kerendia (Drug) | Food and Beverage | In-kind items and services | $27.72 | General |
| Category: Cardio-renal | ||||||
| 08/23/2024 | Phathom Pharmaceuticals, Inc. | VOQUEZNA (Drug) | Food and Beverage | In-kind items and services | $22.97 | General |
| Category: GASTROENTEROLOGY | ||||||
| 08/20/2024 | Dexcom, Inc. | Dexcom G6 Transmitter (Medical Supply) | Food and Beverage | In-kind items and services | $22.26 | General |
| Category: Endocrinology | ||||||
| 08/20/2024 | ABBVIE INC. | CREON (Drug), LINZESS | Food and Beverage | In-kind items and services | $16.27 | General |
| Category: ENDOCRINOLOGY | ||||||
| 08/13/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $25.52 | General |
| 08/12/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $18.00 | General |
| 07/24/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $11.13 | General |
| 07/23/2024 | ABBVIE INC. | LINZESS (Drug), CREON | Food and Beverage | In-kind items and services | $31.19 | General |
| Category: GASTROENTEROLOGY | ||||||
| 07/10/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $6.75 | General |
| 06/28/2024 | Novo Nordisk Inc | Ozempic (Drug), Rybelsus, Tresiba | Food and Beverage | In-kind items and services | $16.89 | General |
| Category: Diabetes | ||||||
| 06/19/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $22.29 | General |
| 06/18/2024 | ABBVIE INC. | LINZESS (Drug), CREON | Food and Beverage | In-kind items and services | $29.22 | General |
| Category: GASTROENTEROLOGY | ||||||
| 06/10/2024 | Bayer Healthcare Pharmaceuticals Inc. | Kerendia (Drug) | Food and Beverage | In-kind items and services | $23.92 | General |
| Category: Cardio-renal | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 2 | 98 | 247 | $23,675 | $15,306 |
| 2022 | 4 | 147 | 353 | $32,020 | $20,623 |
| 2021 | 5 | 218 | 452 | $41,405 | $25,643 |
| 2020 | 6 | 279 | 584 | $52,040 | $31,170 |
All Medicare Procedures & Services
17 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 70 | 206 | $20,600 | $13,316 | 64.6% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 28 | 41 | $3,075 | $1,990 | 64.7% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 81 | 241 | $24,100 | $15,690 | 65.1% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 42 | 88 | $6,600 | $4,176 | 63.3% |
| G0008 | Administration of influenza virus vaccine | Office | 2022 | 12 | 12 | $720.00 | $397.08 | 55.2% |
| 90756 | Influenza vaccine, quadrivalent derived from cell cultures | Office | 2022 | 12 | 12 | $600.00 | $359.64 | 59.9% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Office | 2021 | 104 | 289 | $28,900 | $18,166 | 62.9% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Office | 2021 | 52 | 101 | $7,575 | $4,973 | 65.6% |
| 99203 | New patient outpatient visit, total time 30-44 minutes | Office | 2021 | 16 | 16 | $2,400 | $1,410 | 58.8% |
| 90756 | Vaccine for influenza derived from cell cultures for injection into muscle, quadrivalent, antibiotic free, 0.5ml dosage | Office | 2021 | 23 | 23 | $1,150 | $652.51 | 56.7% |
| G0008 | Administration of influenza virus vaccine | Office | 2021 | 23 | 23 | $1,380 | $441.37 | 32.0% |
| 99214 | Established patient office or other outpatient, visit typically 25 minutes | Office | 2020 | 121 | 316 | $31,600 | $20,403 | 64.6% |
| 99213 | Established patient office or other outpatient visit, typically 15 minutes | Office | 2020 | 72 | 168 | $12,600 | $8,567 | 68.0% |
| 90674 | Vaccine for influenza for administration into muscle, 0.5 ml dosage | Office | 2020 | 31 | 31 | $1,550 | $906.13 | 58.5% |
| 99203 | New patient office or other outpatient visit, typically 30 minutes | Office | 2020 | 11 | 11 | $1,650 | $665.54 | 40.3% |
| 90471 | Administration of 1 vaccine | Office | 2020 | 30 | 30 | $2,400 | $358.96 | 15.0% |
| 83036 | Hemoglobin a1c level | Office | 2020 | 14 | 28 | $2,240 | $269.22 | 12.0% |
About Dr. James Hahn, M.D
Dr. James Hahn, M.D is a Internal Medicine healthcare provider based in Los Angeles, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 10/24/2006. The National Provider Identifier (NPI) number assigned to this provider is 1033293634.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. James Hahn, M.D has received a total of $6,808 in payments from pharmaceutical and medical device companies, with $759.54 received in 2024. These payments were reported across 315 transactions from 28 companies. The most common payment nature is "Food and Beverage" ($6,808).
As a Medicare-enrolled provider, Hahn has provided services to 742 Medicare beneficiaries, totaling 1,636 services with total Medicare billing of $92,742. Data is available for 4 years (2020–2023), covering 17 distinct procedure/service records.
Practice Information
- Specialty Internal Medicine
- Location Los Angeles, CA
- Active Since 10/24/2006
- Last Updated 10/11/2023
- Taxonomy Code 207R00000X
- Entity Type Individual
- Practice Solo Practitioner
- NPI Number 1033293634
Products in Payments
- LINZESS (Drug) $447.05
- JARDIANCE (Drug) $382.11
- Creon (Drug) $332.24
- XARELTO (Drug) $312.50
- EVENITY (Biological) $298.81
- LYRICA (Drug) $285.56
- JANUVIA (Drug) $231.27
- Prolia (Biological) $205.33
- FARXIGA (Drug) $204.61
- JOT DX (Device) $198.70
- CREON (Drug) $183.59
- VIBERZI (Drug) $136.40
- Vemlidy (Drug) $128.23
- Aimovig (Biological) $123.62
- Otezla (Drug) $120.62
- TRADJENTA (Drug) $108.13
- Kerendia (Drug) $104.57
- TRULICITY (Drug) $97.97
- Vascepa (Drug) $95.85
- NEXLETOL (Drug) $87.12
Explore
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.
Internal Medicine Doctors in Los Angeles
Dr. Thomas Magee, Md, MD
Internal Medicine — Payments: $1.2M
Dr. Julio Gutierrez, Md, MD
Internal Medicine — Payments: $920,439
Dr. Mohammad Kamgar, M.d, M.D
Internal Medicine — Payments: $471,176
Dr. Caroline Piatek, M.d,, M.D,
Internal Medicine — Payments: $468,526
Gottfried Konecny, Md, MD
Internal Medicine — Payments: $399,651
Dr. Elizabeth Volkmann, Md, MD
Internal Medicine — Payments: $397,666