Total Payments
$23,208
2024 Payments
$3,424
Companies
43
Transactions
470
Medicare Patients
5,560
Medicare Billing
$1.6M
Payment Breakdown by Category
Food & Beverage$13,373 (57.6%)
Other$5,500 (23.7%)
Consulting$3,194 (13.8%)
Travel$1,122 (4.8%)
Education$18.89 (0.1%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $13,373 | 451 | 57.6% |
| Honoraria | $5,000 | 1 | 21.5% |
| Consulting Fee | $3,194 | 6 | 13.8% |
| Travel and Lodging | $1,122 | 3 | 4.8% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $500.00 | 1 | 2.2% |
| Education | $18.89 | 8 | 0.1% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Bio Products Laboratory USA, Inc. | $7,156 | 18 | $0 (2023) |
| GENZYME CORPORATION | $2,781 | 43 | $0 (2024) |
| AstraZeneca Pharmaceuticals LP | $2,109 | 60 | $0 (2024) |
| Genentech USA, Inc. | $2,070 | 35 | $0 (2024) |
| Optinose US, Inc. | $1,153 | 18 | $0 (2024) |
| GlaxoSmithKline, LLC. | $1,063 | 44 | $0 (2024) |
| Regeneron Healthcare Solutions, Inc. | $831.64 | 23 | $0 (2024) |
| Teva Pharmaceuticals USA, Inc. | $806.76 | 10 | $0 (2021) |
| CSL Behring | $545.07 | 33 | $0 (2024) |
| Grifols USA, LLC | $532.86 | 16 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $3,424 | 78 | GENZYME CORPORATION ($1,641) |
| 2023 | $2,807 | 97 | AstraZeneca Pharmaceuticals LP ($438.85) |
| 2022 | $8,496 | 78 | Bio Products Laboratory USA, Inc. ($6,630) |
| 2021 | $3,106 | 77 | Genentech USA, Inc. ($1,526) |
| 2020 | $1,478 | 26 | OptiNose US, Inc. ($836.67) |
| 2019 | $1,162 | 37 | GlaxoSmithKline, LLC. ($194.71) |
| 2018 | $1,841 | 40 | Teva Pharmaceuticals USA, Inc. ($500.00) |
| 2017 | $894.86 | 37 | Bio Products Laboratory, Inc. ($316.07) |
All Payment Transactions
470 individual payment records from CMS Open Payments — Page 1 of 19
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/30/2024 | Grifols USA, LLC | Xembify (Biological) | Food and Beverage | In-kind items and services | $13.30 | General |
| Category: Immunology and Neurology | ||||||
| 12/16/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $25.26 | General |
| Category: Immunology | ||||||
| 12/09/2024 | Genentech USA, Inc. | Xolair (Biological) | Food and Beverage | In-kind items and services | $23.36 | General |
| Category: Immunology | ||||||
| 12/04/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $25.49 | General |
| Category: Immunology | ||||||
| 12/02/2024 | Amgen Inc. | TEZSPIRE (Biological) | Food and Beverage | In-kind items and services | $19.86 | General |
| Category: Inflammation | ||||||
| 11/21/2024 | Takeda Pharmaceuticals U.S.A., Inc. | CUVITRU (Biological) | Food and Beverage | In-kind items and services | $32.30 | General |
| Category: IMMUNOLOGY | ||||||
| 11/20/2024 | CSL Behring | Haegarda (Biological) | Food and Beverage | In-kind items and services | $23.71 | General |
| Category: Immunology | ||||||
| 11/10/2024 | Lilly USA, LLC | EBGLYSS (Drug) | Food and Beverage | In-kind items and services | $27.41 | General |
| Category: Immunology | ||||||
| 11/07/2024 | CSL Behring | Hizentra (Biological) | Food and Beverage | In-kind items and services | $17.66 | General |
| Category: Immunology | ||||||
| 11/06/2024 | GENZYME CORPORATION | — | Consulting Fee | Cash or cash equivalent | $880.00 | General |
| 11/04/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $21.76 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 10/31/2024 | AstraZeneca Pharmaceuticals LP | TEZSPIRE (Biological) | Food and Beverage | In-kind items and services | $33.48 | General |
| Category: Respiratory | ||||||
| 10/28/2024 | Grifols USA, LLC | Xembify (Biological) | Food and Beverage | In-kind items and services | $19.72 | General |
| Category: Immunology and Neurology | ||||||
| 10/25/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $88.47 | General |
| Category: Immunology | ||||||
| 10/24/2024 | GENZYME CORPORATION | — | Food and Beverage | In-kind items and services | $61.72 | General |
| 10/17/2024 | ADMA BioManufacturing LLC | — | Food and Beverage | Cash or cash equivalent | $150.00 | General |
| 10/15/2024 | CSL Behring | Haegarda (Biological) | Food and Beverage | In-kind items and services | $26.52 | General |
| Category: Immunology | ||||||
| 10/15/2024 | AstraZeneca Pharmaceuticals LP | FASENRA (Biological) | Food and Beverage | In-kind items and services | $23.73 | General |
| Category: Respiratory | ||||||
| 10/09/2024 | GENZYME CORPORATION | DUPIXENT (Biological), DUPIXENT | Food and Beverage | In-kind items and services | $49.03 | General |
| Category: Immunology | ||||||
| 09/25/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $23.50 | General |
| Category: Immunology | ||||||
| 09/23/2024 | Genentech USA, Inc. | Xolair (Biological) | Food and Beverage | In-kind items and services | $22.44 | General |
| Category: Immunology | ||||||
| 09/18/2024 | Genentech USA, Inc. | Xolair (Biological) | Food and Beverage | In-kind items and services | $22.50 | General |
| Category: Immunology | ||||||
| 09/13/2024 | AstraZeneca Pharmaceuticals LP | AIRSUPRA (Drug) | Food and Beverage | In-kind items and services | $19.84 | General |
| Category: Respiratory | ||||||
| 09/05/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $32.28 | General |
| Category: Immunology | ||||||
| 09/04/2024 | Phadia US Inc. | ImmunoCAP (Device) | Food and Beverage | Cash or cash equivalent | $26.91 | General |
| Category: Allergy/Immunology | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 16 | 1,587 | 26,096 | $1.1M | $503,964 |
| 2022 | 18 | 1,558 | 24,736 | $1.0M | $469,839 |
| 2021 | 18 | 1,625 | 26,714 | $1.1M | $508,603 |
| 2020 | 15 | 790 | 7,575 | $195,783 | $77,415 |
Total Patients
5,560
Total Services
85,121
Medicare Billing
$1.6M
Procedure Codes
67
All Medicare Procedures & Services
67 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| J2357 | Injection, omalizumab, 5 mg | Office | 2023 | 19 | 11,160 | $657,900 | $337,428 | 51.3% |
| 95004 | Test for allergy using allergenic extract | Office | 2023 | 154 | 8,902 | $106,824 | $32,378 | 30.3% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 118 | 252 | $56,700 | $25,732 | 45.4% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 243 | 316 | $55,300 | $22,807 | 41.2% |
| 95165 | Professional service for preparation and provision of 1 or more antigens | Office | 2023 | 99 | 1,196 | $35,880 | $16,600 | 46.3% |
| 95117 | Professional service for multiple injections of allergen | Office | 2023 | 98 | 1,505 | $57,190 | $15,253 | 26.7% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 173 | 173 | $43,275 | $15,082 | 34.9% |
| 96372 | Injection of drug or substance under skin or into muscle | Office | 2023 | 48 | 674 | $33,700 | $8,235 | 24.4% |
| 95024 | Test for allergy using allergenic extract injected into skin | Office | 2023 | 91 | 996 | $14,940 | $7,661 | 51.3% |
| 90662 | Influenza vaccine split virus, preservative free | Office | 2023 | 104 | 104 | $13,000 | $7,477 | 57.5% |
| G0008 | Administration of influenza virus vaccine | Office | 2023 | 111 | 111 | $3,885 | $3,794 | 97.6% |
| 95012 | Test to measure the level of nitric oxide gas | Office | 2023 | 144 | 218 | $11,990 | $3,791 | 31.6% |
| 94375 | Test to measure rate of airflow | Office | 2023 | 87 | 104 | $7,488 | $3,469 | 46.3% |
| 95115 | Professional service for single injection of allergen | Office | 2023 | 31 | 316 | $9,480 | $2,909 | 30.7% |
| 99211 | Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | Office | 2023 | 54 | 56 | $2,240 | $1,130 | 50.5% |
| 94664 | Evaluation of use of breathing device | Office | 2023 | 13 | 13 | $416.00 | $219.44 | 52.8% |
| J2357 | Injection, omalizumab, 5 mg | Office | 2022 | 21 | 10,380 | $570,900 | $309,496 | 54.2% |
| 95004 | Test for allergy using allergenic extract | Office | 2022 | 135 | 8,004 | $96,048 | $29,501 | 30.7% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 145 | 270 | $60,750 | $28,516 | 46.9% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 240 | 336 | $57,700 | $23,424 | 40.6% |
| 95165 | Professional service for preparation and provision of 1 or more antigens | Office | 2022 | 95 | 1,142 | $34,260 | $15,415 | 45.0% |
| 95117 | Professional service for multiple injections of allergen | Office | 2022 | 91 | 1,255 | $47,690 | $12,312 | 25.8% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2022 | 144 | 144 | $35,125 | $12,265 | 34.9% |
| 95024 | Test for allergy using allergenic extract injected into skin | Office | 2022 | 93 | 1,083 | $16,245 | $8,588 | 52.9% |
| 96372 | Injection of drug or substance under skin or into muscle | Office | 2022 | 55 | 641 | $32,350 | $7,784 | 24.1% |
About Dr. Sam Ahn, M.D
Dr. Sam Ahn, M.D is a Allergy & Immunology healthcare provider based in Napa, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 12/14/2006. The National Provider Identifier (NPI) number assigned to this provider is 1558423814.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Sam Ahn, M.D has received a total of $23,208 in payments from pharmaceutical and medical device companies, with $3,424 received in 2024. These payments were reported across 470 transactions from 43 companies. The most common payment nature is "Food and Beverage" ($13,373).
As a Medicare-enrolled provider, Ahn has provided services to 5,560 Medicare beneficiaries, totaling 85,121 services with total Medicare billing of $1.6M. Data is available for 4 years (2020–2023), covering 67 distinct procedure/service records.
Ad
Practice Information
- Specialty Allergy & Immunology
- Location Napa, CA
- Active Since 12/14/2006
- Last Updated 03/07/2023
- Taxonomy Code 207RA0201X
- Entity Type Individual
- NPI Number 1558423814
Products in Payments
- Xolair (Biological) $2,178
- DUPIXENT (Biological) $2,081
- TEZSPIRE (Biological) $1,206
- Xhance (Drug) $1,153
- TRELEGY ELLIPTA (Drug) $728.69
- Gammaplex (Drug) $694.26
- PROAIR RESPICLICK (Drug) $500.00
- Xembify (Biological) $490.39
- DUPIXENT (Drug) $382.44
- Hizentra (Biological) $380.27
- NUCALA (Biological) $321.35
- FASENRA (Drug) $316.61
- Gammaplex 10% (Biological) $316.07
- BREZTRI (Drug) $285.83
- RINVOQ (Biological) $215.92
- XOLAIR (Biological) $202.93
- PANZYGA (Biological) $192.15
- FASENRA (Biological) $169.75
- SYMBICORT (Drug) $169.21
- Odactra (Drug) $165.56
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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.