Dr. Michael Walker, MD
NPI: 1871538611
Total Payments
$118,071
2024 Payments
$1,465
Companies
26
Transactions
291
Medicare Patients
1,447
Medicare Billing
$180,260
Payment Breakdown by Category
Consulting$61,294 (51.9%)
Other$44,008 (37.3%)
Food & Beverage$7,283 (6.2%)
Travel$5,471 (4.6%)
Education$14.57 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $61,294 | 28 | 51.9% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $42,008 | 33 | 35.6% |
| Food and Beverage | $7,283 | 197 | 6.2% |
| Travel and Lodging | $5,471 | 31 | 4.6% |
| Honoraria | $2,000 | 1 | 1.7% |
| Education | $14.57 | 1 | 0.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | $100,964 | 142 | $0 (2024) |
| Pacira Pharmaceuticals Incorporated | $7,017 | 14 | $0 (2018) |
| Medtronic, Inc. | $4,376 | 23 | $0 (2024) |
| E.R. Squibb & Sons, L.L.C. | $2,224 | 15 | $0 (2022) |
| BOSTON SCIENTIFIC CORPORATION | $601.69 | 9 | $0 (2021) |
| Ethicon US, LLC | $448.72 | 13 | $0 (2019) |
| Baxter Healthcare | $418.49 | 16 | $0 (2023) |
| Intuitive Surgical, Inc. | $280.83 | 4 | $0 (2018) |
| Genentech USA, Inc. | $200.40 | 12 | $0 (2024) |
| ATRICURE, INC. | $199.30 | 2 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,465 | 30 | AstraZeneca Pharmaceuticals LP ($643.09) |
| 2023 | $4,103 | 28 | Medtronic, Inc. ($3,811) |
| 2022 | $6,986 | 16 | AstraZeneca Pharmaceuticals LP ($4,697) |
| 2021 | $7,052 | 16 | AstraZeneca Pharmaceuticals LP ($6,905) |
| 2020 | $17,536 | 17 | AstraZeneca Pharmaceuticals LP ($17,433) |
| 2019 | $26,968 | 61 | AstraZeneca Pharmaceuticals LP ($26,178) |
| 2018 | $50,367 | 85 | AstraZeneca Pharmaceuticals LP ($42,672) |
| 2017 | $3,593 | 38 | AstraZeneca Pharmaceuticals LP ($2,362) |
All Payment Transactions
291 individual payment records from CMS Open Payments — Page 1 of 12
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/18/2024 | Daiichi Sankyo Inc. | Enhertu (Drug) | Food and Beverage | In-kind items and services | $24.26 | General |
| Category: ONCOLOGY | ||||||
| 12/12/2024 | Incyte Corporation | JAKAFI (Drug) | Food and Beverage | Cash or cash equivalent | $29.79 | General |
| Category: Hematology/Oncology | ||||||
| 12/03/2024 | AstraZeneca Pharmaceuticals LP | TAGRISSO (Drug) | Food and Beverage | In-kind items and services | $20.64 | General |
| Category: Oncology | ||||||
| 11/14/2024 | Novartis Pharmaceuticals Corporation | Fabhalta (Drug) | Food and Beverage | In-kind items and services | $30.33 | General |
| Category: Immunology | ||||||
| 11/07/2024 | AstraZeneca Pharmaceuticals LP | IMFINZI (Biological) | Food and Beverage | In-kind items and services | $12.44 | General |
| Category: Oncology | ||||||
| 11/05/2024 | Merck Sharp & Dohme LLC | — | Food and Beverage | In-kind items and services | $31.93 | General |
| 10/29/2024 | Genentech USA, Inc. | Tecentriq (Biological), Tecentriq Hybreza | Food and Beverage | In-kind items and services | $20.95 | General |
| Category: BioOncology | ||||||
| 10/24/2024 | Alexion Pharmaceuticals, Inc. | ULTOMIRIS (Biological) | Food and Beverage | In-kind items and services | $18.81 | General |
| Category: Rare Disease | ||||||
| 09/21/2024 | Medtronic, Inc. | SIGNIA (Device) | Food and Beverage | In-kind items and services | $110.92 | General |
| Category: Surgical Stapling | ||||||
| 09/20/2024 | Medtronic, Inc. | SIGNIA (Device) | Food and Beverage | In-kind items and services | $13.02 | General |
| Category: Surgical Stapling | ||||||
| 09/19/2024 | Novartis Pharmaceuticals Corporation | SCEMBLIX (Drug) | Food and Beverage | In-kind items and services | $24.87 | General |
| Category: Oncology | ||||||
| 09/18/2024 | ATRICURE, INC. | ATRICURE CRYOICE CRYOSPHERE CRYOABLATION SYSTEM (Device) | Food and Beverage | In-kind items and services | $151.05 | General |
| Category: CARDIOVASCULAR | ||||||
| 09/18/2024 | Medtronic, Inc. | SIGNIA (Device) | Food and Beverage | In-kind items and services | $94.12 | General |
| Category: Surgical Stapling | ||||||
| 09/18/2024 | Medtronic, Inc. | SIGNIA (Device) | Food and Beverage | In-kind items and services | $16.16 | General |
| Category: Surgical Stapling | ||||||
| 09/03/2024 | AstraZeneca Pharmaceuticals LP | IMFINZI (Biological) | Food and Beverage | In-kind items and services | $19.03 | General |
| Category: Oncology | ||||||
| 08/22/2024 | SOBI, INC | VONJO (Drug) | Food and Beverage | In-kind items and services | $20.92 | General |
| Category: HEMATOLOGY/ONCOLOGY | ||||||
| 08/15/2024 | Eisai Inc. | Lenvima (Drug) | Food and Beverage | In-kind items and services | $18.09 | General |
| Category: Oncology | ||||||
| 07/30/2024 | Janssen Biotech, Inc. | RYBREVANT (Drug) | Food and Beverage | In-kind items and services | $24.31 | General |
| Category: Oncology | ||||||
| 07/25/2024 | Bayer Healthcare Pharmaceuticals Inc. | Stivarga (Drug), Vitrakvi | Food and Beverage | In-kind items and services | $25.41 | General |
| Category: Oncology | ||||||
| 06/20/2024 | AstraZeneca Pharmaceuticals LP | ENHERTU (Biological) | Food and Beverage | In-kind items and services | $24.65 | General |
| Category: Oncology | ||||||
| 05/16/2024 | Alexion Pharmaceuticals, Inc. | ULTOMIRIS (Biological) | Food and Beverage | In-kind items and services | $33.71 | General |
| Category: Rare Disease | ||||||
| 05/02/2024 | AstraZeneca Pharmaceuticals LP | ENHERTU (Biological) | Food and Beverage | In-kind items and services | $26.90 | General |
| Category: Oncology | ||||||
| 04/16/2024 | Mirati Therapeutics, Inc. | KRAZATI (Drug) | Food and Beverage | Cash or cash equivalent | $24.60 | General |
| Category: Oncology | ||||||
| 03/07/2024 | Novartis Pharmaceuticals Corporation | SCEMBLIX (Drug) | Food and Beverage | In-kind items and services | $13.81 | General |
| Category: Oncology | ||||||
| 02/29/2024 | Alexion Pharmaceuticals, Inc. | ULTOMIRIS (Biological) | Food and Beverage | In-kind items and services | $30.46 | General |
| Category: Rare Disease | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 9 | 398 | 477 | $146,665 | $50,818 |
| 2022 | 9 | 359 | 474 | $121,180 | $45,846 |
| 2021 | 7 | 301 | 407 | $70,345 | $32,922 |
| 2020 | 11 | 389 | 434 | $142,745 | $50,674 |
Total Patients
1,447
Total Services
1,792
Medicare Billing
$180,260
Procedure Codes
36
All Medicare Procedures & Services
36 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 191 | 239 | $37,045 | $15,906 | 42.9% |
| 32666 | Initial removal of wedge of lung tissue using an endoscope | Facility | 2023 | 18 | 18 | $46,800 | $12,815 | 27.4% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2023 | 31 | 31 | $14,475 | $5,104 | 35.3% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 30 | 30 | $11,030 | $4,095 | 37.1% |
| 32674 | Removal of lymph nodes of chest cavity using an endoscope | Facility | 2023 | 22 | 22 | $13,200 | $3,874 | 29.4% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 24 | 24 | $5,640 | $2,509 | 44.5% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 27 | 27 | $7,185 | $2,257 | 31.4% |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Facility | 2023 | 27 | 56 | $5,005 | $2,205 | 44.1% |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Facility | 2023 | 28 | 30 | $6,285 | $2,053 | 32.7% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 190 | 261 | $40,455 | $18,356 | 45.4% |
| 32666 | Initial removal of wedge of lung tissue using an endoscope | Facility | 2022 | 13 | 13 | $33,800 | $9,580 | 28.3% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2022 | 22 | 22 | $9,350 | $3,762 | 40.2% |
| 32674 | Removal of lymph nodes of chest cavity using an endoscope | Facility | 2022 | 18 | 18 | $10,800 | $3,302 | 30.6% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 24 | 24 | $7,680 | $3,113 | 40.5% |
| 99221 | Initial hospital inpatient care per day, typically 30 minutes | Facility | 2022 | 29 | 31 | $5,735 | $2,595 | 45.3% |
| 99231 | Follow-up hospital inpatient care per day, typically 15 minutes | Facility | 2022 | 32 | 73 | $5,840 | $2,181 | 37.4% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2022 | 19 | 19 | $4,465 | $1,711 | 38.3% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 12 | 13 | $3,055 | $1,246 | 40.8% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Office | 2021 | 175 | 244 | $37,205 | $18,207 | 48.9% |
| 99204 | New patient outpatient visit, total time 45-59 minutes | Office | 2021 | 26 | 26 | $8,320 | $3,518 | 42.3% |
| 99205 | New patient outpatient visit, total time 60-74 minutes | Office | 2021 | 18 | 18 | $7,250 | $3,458 | 47.7% |
| 99221 | Initial hospital inpatient care, typically 30 minutes per day | Facility | 2021 | 25 | 27 | $4,995 | $2,334 | 46.7% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Office | 2021 | 16 | 19 | $4,405 | $2,141 | 48.6% |
| 99231 | Subsequent hospital inpatient care, typically 15 minutes per day | Facility | 2021 | 25 | 57 | $4,560 | $1,796 | 39.4% |
| 99203 | New patient outpatient visit, total time 30-44 minutes | Office | 2021 | 16 | 16 | $3,610 | $1,468 | 40.7% |
About Dr. Michael Walker, MD
Dr. Michael Walker, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) healthcare provider based in Bryn Mawr, Pennsylvania. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/17/2006. The National Provider Identifier (NPI) number assigned to this provider is 1871538611.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Michael Walker, MD has received a total of $118,071 in payments from pharmaceutical and medical device companies, with $1,465 received in 2024. These payments were reported across 291 transactions from 26 companies. The most common payment nature is "Consulting Fee" ($61,294).
As a Medicare-enrolled provider, Walker has provided services to 1,447 Medicare beneficiaries, totaling 1,792 services with total Medicare billing of $180,260. Data is available for 4 years (2020–2023), covering 36 distinct procedure/service records.
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Practice Information
- Specialty Thoracic Surgery (Cardiothoracic Vascular Surgery)
- Location Bryn Mawr, PA
- Active Since 06/17/2006
- Last Updated 06/15/2018
- Taxonomy Code 208G00000X
- Entity Type Individual
- NPI Number 1871538611
Products in Payments
- IMFINZI (Drug) $63,890
- TAGRISSO (Drug) $22,057
- EXPAREL (Drug) $7,017
- SIGNIA (Device) $4,241
- IMFINZI (Biological) $2,888
- TISSEEL (Biological) $310.40
- Da Vinci Surgical System (Device) $280.83
- OPDIVO (Biological) $224.48
- ATRICURE CRYOICE CRYOSPHERE CRYOABLATION SYSTEM (Device) $199.30
- GENERAL - PULMONARY (Device) $180.76
- KEYTRUDA (Biological) $161.47
- ECHELON FLEX Stapler (Device) $154.52
- ULTRAFLEX TRACHEOBRONCHIAL STENT SYSTEM (Device) $147.60
- FOUNDATIONONE (Device) $147.58
- GENERAL PULMONARY (Device) $135.18
- CINQAIR (Drug) $125.33
- ECHELON ENDOPATH Stapler (Device) $118.17
- CYRAMZA (Drug) $116.19
- Avastin (Biological) $109.56
- KRAZATI (Drug) $96.69
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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.