Total Payments
$945,315
2024 Payments
$2,559
Companies
35
Transactions
820
Medicare Patients
3,359
Medicare Billing
$517,520
Payment Breakdown by Category
Other$931,563 (98.5%)
Food & Beverage$13,655 (1.4%)
Education$96.47 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Acquisitions | $734,012 | 2 | 77.6% |
| Current or prospective ownership or investment interest | $197,551 | 2 | 20.9% |
| Food and Beverage | $13,655 | 808 | 1.4% |
| Education | $96.47 | 4 | 0.0% |
| Unspecified | $0 | 4 | 0.0% |
Payments by Type
General
$945,315
816 transactions
Ownership
$0
4 transactions
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| kaleo, Inc. | $932,436 | 65 | $0 (2024) |
| AstraZeneca Pharmaceuticals LP | $2,178 | 91 | $0 (2024) |
| GlaxoSmithKline, LLC. | $1,401 | 137 | $0 (2024) |
| GENZYME CORPORATION | $1,139 | 57 | $0 (2024) |
| Genentech USA, Inc. | $1,061 | 78 | $0 (2024) |
| Regeneron Healthcare Solutions, Inc. | $902.70 | 52 | $0 (2024) |
| Amgen Inc. | $832.71 | 33 | $0 (2024) |
| Optinose US, Inc. | $750.17 | 48 | $0 (2024) |
| Novartis Pharmaceuticals Corporation | $735.25 | 39 | $0 (2024) |
| Grifols USA, LLC | $688.10 | 35 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $2,559 | 118 | AstraZeneca Pharmaceuticals LP ($504.27) |
| 2023 | $2,474 | 122 | AstraZeneca Pharmaceuticals LP ($365.40) |
| 2022 | $23,556 | 109 | kaleo, Inc. ($21,756) |
| 2021 | $713,970 | 100 | kaleo, Inc. ($712,494) |
| 2020 | $4,959 | 82 | kaleo, Inc. ($3,955) |
| 2019 | $195,087 | 82 | Kaleo, Inc. ($193,779) |
| 2018 | $1,450 | 114 | GlaxoSmithKline, LLC. ($312.16) |
| 2017 | $1,261 | 93 | AstraZeneca Pharmaceuticals LP ($266.88) |
All Payment Transactions
820 individual payment records from CMS Open Payments — Page 1 of 33
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/19/2024 | CSL Behring | Haegarda (Biological) | Food and Beverage | In-kind items and services | $23.54 | General |
| Category: Immunology | ||||||
| 12/17/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $17.61 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 12/16/2024 | Amgen Inc. | TEZSPIRE (Biological) | Food and Beverage | In-kind items and services | $11.86 | General |
| Category: Inflammation | ||||||
| 12/12/2024 | Novartis Pharmaceuticals Corporation | XOLAIR (Drug) | Food and Beverage | In-kind items and services | $16.56 | General |
| Category: Pulmonary/Respiratory Diseases | ||||||
| 12/10/2024 | Blueprint Medicines Corporation | AYVAKIT (Drug) | Food and Beverage | Cash or cash equivalent | $19.27 | General |
| Category: Oncology / Rare Diseases | ||||||
| 12/06/2024 | GlaxoSmithKline, LLC. | TRELEGY ELLIPTA (Drug) | Food and Beverage | In-kind items and services | $15.61 | General |
| Category: RESPIRATORY | ||||||
| 12/03/2024 | GlaxoSmithKline, LLC. | NUCALA (Biological) | Food and Beverage | In-kind items and services | $14.14 | General |
| Category: IMMUNOLOGY | ||||||
| 12/02/2024 | AstraZeneca Pharmaceuticals LP | FASENRA (Biological) | Food and Beverage | In-kind items and services | $14.61 | General |
| Category: Respiratory | ||||||
| 12/02/2024 | Amgen Inc. | TEZSPIRE (Biological) | Food and Beverage | In-kind items and services | $12.53 | General |
| Category: Inflammation | ||||||
| 11/27/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $20.93 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/25/2024 | Grifols USA, LLC | Xembify (Biological) | Food and Beverage | In-kind items and services | $19.71 | General |
| Category: Immunology and Neurology | ||||||
| 11/20/2024 | CSL Behring | Haegarda (Biological) | Food and Beverage | In-kind items and services | $23.70 | General |
| Category: Immunology | ||||||
| 11/12/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $16.94 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/11/2024 | Amgen Inc. | TEZSPIRE (Biological) | Food and Beverage | In-kind items and services | $24.55 | General |
| Category: Inflammation | ||||||
| 11/07/2024 | Incyte Corporation | OPZELURA (Drug) | Food and Beverage | Cash or cash equivalent | $25.00 | General |
| Category: Dermatology | ||||||
| 11/06/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $17.65 | General |
| Category: Immunology | ||||||
| 10/31/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $10.97 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 10/29/2024 | GlaxoSmithKline, LLC. | NUCALA (Biological) | Food and Beverage | In-kind items and services | $15.69 | General |
| Category: IMMUNOLOGY | ||||||
| 10/28/2024 | Genentech USA, Inc. | Xolair (Biological) | Food and Beverage | In-kind items and services | $22.06 | General |
| Category: Immunology | ||||||
| 10/22/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $21.62 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 10/08/2024 | Amgen Inc. | TEZSPIRE (Biological) | Food and Beverage | In-kind items and services | $16.87 | General |
| Category: Inflammation | ||||||
| 10/01/2024 | Genentech USA, Inc. | Xolair (Biological) | Food and Beverage | In-kind items and services | $25.26 | General |
| Category: Immunology | ||||||
| 10/01/2024 | AstraZeneca Pharmaceuticals LP | FASENRA (Biological) | Food and Beverage | In-kind items and services | $14.73 | General |
| Category: Respiratory | ||||||
| 09/27/2024 | AstraZeneca Pharmaceuticals LP | AIRSUPRA (Drug) | Food and Beverage | In-kind items and services | $14.42 | General |
| Category: Respiratory | ||||||
| 09/26/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $14.02 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 10 | 1,050 | 18,038 | $331,196 | $153,880 |
| 2022 | 10 | 755 | 13,301 | $247,716 | $121,497 |
| 2021 | 11 | 794 | 14,574 | $258,319 | $132,350 |
| 2020 | 9 | 760 | 14,558 | $234,170 | $109,794 |
Total Patients
3,359
Total Services
60,471
Medicare Billing
$517,520
Procedure Codes
40
All Medicare Procedures & Services
40 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 95165 | Professional service for preparation and provision of 1 or more antigens | Office | 2023 | 154 | 3,625 | $61,625 | $39,498 | 64.1% |
| 95024 | Test for allergy using allergenic extract injected into skin | Office | 2023 | 99 | 3,663 | $37,729 | $22,586 | 59.9% |
| 95117 | Professional service for multiple injections of allergen | Office | 2023 | 93 | 2,686 | $76,148 | $21,826 | 28.7% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 239 | 326 | $34,559 | $19,572 | 56.6% |
| 95004 | Test for allergy using allergenic extract | Office | 2023 | 106 | 6,364 | $52,503 | $18,737 | 35.7% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 128 | 153 | $24,486 | $14,731 | 60.2% |
| 95115 | Professional service for single injection of allergen | Office | 2023 | 57 | 1,009 | $22,289 | $7,207 | 32.3% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 65 | 65 | $9,204 | $4,500 | 48.9% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 25 | 25 | $5,050 | $2,952 | 58.5% |
| 94010 | Test to measure expiratory airflow and volume | Office | 2023 | 84 | 122 | $7,603 | $2,272 | 29.9% |
| 95165 | Professional service for preparation and provision of 1 or more antigens | Office | 2022 | 120 | 3,030 | $50,965 | $34,163 | 67.0% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 229 | 356 | $34,623 | $22,686 | 65.5% |
| 95117 | Professional service for multiple injections of allergen | Office | 2022 | 70 | 2,214 | $62,288 | $18,143 | 29.1% |
| 95024 | Test for allergy using allergenic extract injected into skin | Office | 2022 | 65 | 2,635 | $26,927 | $17,794 | 66.1% |
| 95004 | Test for allergy using allergenic extract | Office | 2022 | 67 | 3,933 | $32,185 | $12,235 | 38.0% |
| 95115 | Professional service for single injection of allergen | Office | 2022 | 38 | 924 | $20,265 | $6,180 | 30.5% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2022 | 48 | 48 | $6,760 | $3,774 | 55.8% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 23 | 26 | $3,405 | $2,459 | 72.2% |
| 94010 | Test to measure expiratory airflow and volume | Office | 2022 | 81 | 121 | $7,488 | $2,335 | 31.2% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 14 | 14 | $2,810 | $1,728 | 61.5% |
| 95165 | Preparation and provision of single or multiple antigens for allergen immunotherapy | Office | 2021 | 118 | 3,090 | $50,985 | $36,131 | 70.9% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Office | 2021 | 233 | 371 | $35,288 | $24,289 | 68.8% |
| 95024 | Injection of allergenic extracts into skin for immediate reaction analysis | Office | 2021 | 70 | 3,081 | $30,810 | $21,051 | 68.3% |
| 95117 | Injection of incremental dosages of allergen, 2 or more injections | Office | 2021 | 65 | 2,113 | $58,108 | $17,154 | 29.5% |
| 95004 | Injection of allergenic extracts into skin, accessed through the skin | Office | 2021 | 71 | 4,534 | $36,280 | $14,430 | 39.8% |
About Dr. William Hark, MD
Dr. William Hark, MD is a Allergy healthcare provider based in Richmond, Virginia. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 08/14/2006. The National Provider Identifier (NPI) number assigned to this provider is 1891708665.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. William Hark, MD has received a total of $945,315 in payments from pharmaceutical and medical device companies, with $2,559 received in 2024. These payments were reported across 820 transactions from 35 companies. The most common payment nature is "Acquisitions" ($734,012).
As a Medicare-enrolled provider, Hark has provided services to 3,359 Medicare beneficiaries, totaling 60,471 services with total Medicare billing of $517,520. Data is available for 4 years (2020–2023), covering 40 distinct procedure/service records.
Ad
Practice Information
- Specialty Allergy
- Location Richmond, VA
- Active Since 08/14/2006
- Last Updated 02/25/2008
- Taxonomy Code 207KA0200X
- Entity Type Individual
- NPI Number 1891708665
Products in Payments
- DUPIXENT (Biological) $1,770
- TEZSPIRE (Biological) $1,297
- Xolair (Biological) $1,061
- NUCALA (Biological) $855.96
- Xhance (Drug) $750.17
- AUVI-Q (Drug) $591.15
- Haegarda (Biological) $464.55
- SYMBICORT (Drug) $401.66
- XOLAIR (Biological) $400.02
- TRELEGY ELLIPTA (Drug) $364.74
- EUCRISA (Drug) $352.01
- Prolastin-C Liquid (Biological) $338.90
- XOLAIR (Drug) $323.62
- Auvi-Q (Drug) $281.39
- FASENRA (Drug) $273.44
- BREZTRI (Drug) $242.74
- Prolastin-C (Biological) $237.05
- AIRSUPRA (Drug) $230.55
- FASENRA (Biological) $220.38
- ORLADEYO (Drug) $203.74
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.