Total Payments
$6,141
2024 Payments
$787.65
Companies
40
Transactions
305
Medicare Patients
5,695
Medicare Billing
$924,942
Payment Breakdown by Category
Food & Beverage$5,766 (93.9%)
Education$354.18 (5.8%)
Other$20.55 (0.3%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $5,766 | 297 | 93.9% |
| Education | $354.18 | 7 | 5.8% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $20.55 | 1 | 0.3% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| GlaxoSmithKline, LLC. | $1,178 | 63 | $0 (2024) |
| AstraZeneca Pharmaceuticals LP | $874.76 | 49 | $0 (2024) |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $740.18 | 33 | $0 (2024) |
| Mylan Specialty L.P. | $342.28 | 17 | $0 (2024) |
| Genentech USA, Inc. | $270.49 | 10 | $0 (2023) |
| HARMONY BIOSCIENCES LLC | $221.21 | 6 | $0 (2024) |
| United Therapeutics Corporation | $210.46 | 9 | $0 (2023) |
| GENZYME CORPORATION | $199.79 | 12 | $0 (2024) |
| SANOFI-AVENTIS U.S. LLC | $178.98 | 2 | $0 (2024) |
| Mallinckrodt Enterprises LLC | $167.95 | 6 | $0 (2019) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $787.65 | 31 | HARMONY BIOSCIENCES LLC ($187.70) |
| 2023 | $697.54 | 45 | AstraZeneca Pharmaceuticals LP ($236.17) |
| 2022 | $472.74 | 24 | AstraZeneca Pharmaceuticals LP ($124.48) |
| 2021 | $152.76 | 8 | Mylan Specialty L.P. ($32.52) |
| 2020 | $213.56 | 12 | AstraZeneca Pharmaceuticals LP ($36.87) |
| 2019 | $953.33 | 52 | Boehringer Ingelheim Pharmaceuticals, Inc. ($122.12) |
| 2018 | $1,336 | 67 | Boehringer Ingelheim Pharmaceuticals, Inc. ($234.40) |
| 2017 | $1,527 | 66 | GlaxoSmithKline, LLC. ($549.40) |
All Payment Transactions
305 individual payment records from CMS Open Payments — Page 1 of 13
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/17/2024 | AstraZeneca Pharmaceuticals LP | AIRSUPRA (Drug) | Food and Beverage | In-kind items and services | $16.27 | General |
| Category: Respiratory | ||||||
| 12/14/2024 | GlaxoSmithKline, LLC. | NUCALA (Biological) | Food and Beverage | In-kind items and services | $18.18 | General |
| Category: IMMUNOLOGY | ||||||
| 12/06/2024 | Amgen Inc. | TEZSPIRE (Biological) | Food and Beverage | In-kind items and services | $15.40 | General |
| Category: Inflammation | ||||||
| 12/05/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $17.62 | General |
| Category: Immunology | ||||||
| 11/05/2024 | Fisher & Paykel Healthcare Inc | FISHER & PAYKEL HEALTHCARE (Device), FISHER & PAYKEL HEALTHCARE, FISHER & PAYKEL HEALTHCARE | Food and Beverage | In-kind items and services | $17.85 | General |
| Category: Sleep | ||||||
| 10/09/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $14.36 | General |
| Category: Immunology | ||||||
| 10/04/2024 | AstraZeneca Pharmaceuticals LP | FASENRA (Biological) | Food and Beverage | In-kind items and services | $15.06 | General |
| Category: Respiratory | ||||||
| 09/19/2024 | HARMONY BIOSCIENCES LLC | WAKIX (Drug) | Education | Cash or cash equivalent | $61.99 | General |
| Category: Narcoplepsy | ||||||
| 09/19/2024 | GlaxoSmithKline, LLC. | NUCALA (Biological) | Food and Beverage | In-kind items and services | $14.78 | General |
| Category: IMMUNOLOGY | ||||||
| 09/18/2024 | Baxter Healthcare | Hillrom - Vest System Model 105 Home Care (Device) | Food and Beverage | In-kind items and services | $15.27 | General |
| Category: Airway Clearance Device | ||||||
| 09/13/2024 | HARMONY BIOSCIENCES LLC | WAKIX (Drug) | Food and Beverage | Cash or cash equivalent | $46.59 | General |
| Category: Narcoplepsy | ||||||
| 09/10/2024 | Electromed, Inc. | SMARTVEST (Device) | Food and Beverage | Cash or cash equivalent | $21.33 | General |
| Category: HFCWO | ||||||
| 08/23/2024 | SANOFI-AVENTIS U.S. LLC | DUPIXENT (Biological) | Education | In-kind items and services | $78.99 | General |
| Category: Immunology | ||||||
| 08/23/2024 | Mallinckrodt Hospital Products Inc. | ACTHAR (Biological) | Food and Beverage | In-kind items and services | $38.16 | General |
| Category: IMMUNOLOGY | ||||||
| 07/19/2024 | AstraZeneca Pharmaceuticals LP | FASENRA (Biological) | Food and Beverage | In-kind items and services | $17.29 | General |
| Category: Respiratory | ||||||
| 07/16/2024 | Baxter Healthcare | Hillrom - Vest System Model 105 Home Care (Device) | Food and Beverage | In-kind items and services | $32.65 | General |
| Category: Airway Clearance Device | ||||||
| 07/16/2024 | HARMONY BIOSCIENCES LLC | WAKIX (Drug) | Food and Beverage | Cash or cash equivalent | $17.54 | General |
| Category: Narcoplepsy | ||||||
| 06/28/2024 | AstraZeneca Pharmaceuticals LP | FASENRA (Biological) | Food and Beverage | In-kind items and services | $17.02 | General |
| Category: Respiratory | ||||||
| 05/31/2024 | AstraZeneca Pharmaceuticals LP | AIRSUPRA (Drug) | Food and Beverage | In-kind items and services | $22.97 | General |
| Category: Respiratory | ||||||
| 05/24/2024 | Electromed, Inc. | SMARTVEST (Device) | Food and Beverage | Cash or cash equivalent | $19.50 | General |
| Category: HFCWO | ||||||
| 05/21/2024 | Boehringer Ingelheim Pharmaceuticals, Inc. | STIOLTO RESPIMAT (Drug), SPIRIVA RESPIMAT | Food and Beverage | In-kind items and services | $20.23 | General |
| Category: RESPIRATORY | ||||||
| 05/08/2024 | HARMONY BIOSCIENCES LLC | WAKIX (Drug) | Food and Beverage | Cash or cash equivalent | $17.99 | General |
| Category: Narcoplepsy | ||||||
| 05/04/2024 | HARMONY BIOSCIENCES LLC | WAKIX (Drug) | Food and Beverage | Cash or cash equivalent | $43.59 | General |
| Category: Narcoplepsy | ||||||
| 03/22/2024 | GlaxoSmithKline, LLC. | NUCALA (Biological) | Food and Beverage | In-kind items and services | $23.58 | General |
| Category: IMMUNOLOGY | ||||||
| 03/08/2024 | Boehringer Ingelheim Pharmaceuticals, Inc. | OFEV (Drug) | Food and Beverage | In-kind items and services | $26.54 | General |
| Category: RESPIRATORY | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 13 | 1,338 | 1,751 | $521,641 | $130,074 |
| 2022 | 16 | 1,473 | 3,772 | $821,711 | $203,406 |
| 2021 | 20 | 1,419 | 6,055 | $1.0M | $282,503 |
| 2020 | 19 | 1,465 | 7,783 | $805,345 | $308,959 |
Total Patients
5,695
Total Services
19,361
Medicare Billing
$924,942
Procedure Codes
71
All Medicare Procedures & Services
71 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | Facility | 2023 | 106 | 261 | $172,782 | $45,461 | 26.3% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 324 | 448 | $127,232 | $28,857 | 22.7% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 180 | 277 | $110,800 | $27,590 | 24.9% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 97 | 97 | $34,241 | $7,854 | 22.9% |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 40 | 58 | $21,402 | $5,559 | 26.0% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 33 | 34 | $18,258 | $4,817 | 26.4% |
| G0296 | Counseling visit to discuss need for lung cancer screening using low dose ct scan (ldct) (service is for eligibility determination and shared decision making) | Office | 2023 | 88 | 88 | $7,832 | $2,556 | 32.6% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 26 | 37 | $9,102 | $2,391 | 26.3% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 14 | 14 | $5,656 | $1,434 | 25.4% |
| 94727 | Test to determine lung volumes using gas dilution or washout | Facility | 2023 | 129 | 130 | $4,912 | $1,228 | 25.0% |
| 94060 | Test to measure expiratory airflow and volume changes before and after medication administration | Facility | 2023 | 117 | 118 | $3,868 | $960.26 | 24.8% |
| 94729 | Test to examine how well the lungs exchange gases | Facility | 2023 | 129 | 130 | $3,794 | $913.64 | 24.1% |
| 94010 | Test to measure expiratory airflow and volume | Facility | 2023 | 19 | 23 | $598.00 | $152.26 | 25.5% |
| 94727 | Test to determine lung volumes using gas dilution or washout | Office | 2023 | 12 | 12 | $444.00 | $115.92 | 26.1% |
| 94060 | Test to measure expiratory airflow and volume changes before and after medication administration | Office | 2023 | 12 | 12 | $384.00 | $99.36 | 25.9% |
| 94729 | Test to examine how well the lungs exchange gases | Office | 2023 | 12 | 12 | $336.00 | $86.04 | 25.6% |
| J2357 | Injection, omalizumab, 5 mg | Office | 2022 | 13 | 1,785 | $201,705 | $53,244 | 26.4% |
| 99291 | Critical care, first 30-74 minutes | Facility | 2022 | 103 | 294 | $205,212 | $52,567 | 25.6% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 352 | 502 | $148,592 | $33,539 | 22.6% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 180 | 246 | $102,336 | $23,840 | 23.3% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2022 | 110 | 110 | $40,370 | $9,030 | 22.4% |
| 99223 | Initial hospital inpatient care per day, typically 70 minutes | Facility | 2022 | 39 | 40 | $25,280 | $6,470 | 25.6% |
| 96401 | Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Office | 2022 | 26 | 107 | $27,392 | $6,456 | 23.6% |
| 99233 | Follow-up hospital inpatient care per day, typically 35 minutes | Facility | 2022 | 50 | 71 | $23,146 | $5,894 | 25.5% |
| 99292 | Critical care, each additional 30 minutes | Facility | 2022 | 23 | 32 | $11,232 | $2,862 | 25.5% |
About Dr. Anna Ahn, M.D
Dr. Anna Ahn, M.D is a Internal Medicine healthcare provider based in Stony Brook, New York. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 05/18/2010. The National Provider Identifier (NPI) number assigned to this provider is 1700105533.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Anna Ahn, M.D has received a total of $6,141 in payments from pharmaceutical and medical device companies, with $787.65 received in 2024. These payments were reported across 305 transactions from 40 companies. The most common payment nature is "Food and Beverage" ($5,766).
As a Medicare-enrolled provider, Ahn has provided services to 5,695 Medicare beneficiaries, totaling 19,361 services with total Medicare billing of $924,942. Data is available for 4 years (2020–2023), covering 71 distinct procedure/service records.
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Practice Information
- Specialty Internal Medicine
- Other Specialties Internal Medicine
- Location Stony Brook, NY
- Active Since 05/18/2010
- Last Updated 08/12/2018
- Taxonomy Code 207R00000X
- Entity Type Individual
- NPI Number 1700105533
Products in Payments
- DUPIXENT (Biological) $324.20
- OFEV (Drug) $283.12
- NUCALA (Biological) $278.13
- ACTHAR (Biological) $261.92
- FASENRA (Biological) $252.31
- SYMBICORT (Drug) $233.66
- TRELEGY ELLIPTA (Drug) $224.96
- WAKIX (Drug) $221.21
- GLASSIA (Biological) $207.76
- ORENITRAM (Drug) $166.88
- BREZTRI (Drug) $149.39
- FASENRA (Drug) $142.71
- ANORO (Drug) $136.83
- STIOLTO RESPIMAT (Drug) $127.59
- INCRUSE (Drug) $125.00
- XOLAIR (Biological) $118.10
- Yupelri (Drug) $109.90
- Dymista (Drug) $105.94
- STIOLTO (Drug) $101.12
- Esbriet (Biological) $90.39
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.
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