Total Payments
$16,709
2024 Payments
$2,259
Companies
74
Transactions
848
Medicare Patients
11,970
Medicare Billing
$5.4M
Payment Breakdown by Category
Food & Beverage$15,981 (95.6%)
Education$477.89 (2.9%)
Consulting$250.00 (1.5%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $15,981 | 836 | 95.6% |
| Education | $477.89 | 10 | 2.9% |
| Consulting Fee | $250.00 | 2 | 1.5% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | $1,569 | 86 | $0 (2024) |
| Janssen Biotech, Inc. | $1,285 | 69 | $0 (2024) |
| Merck Sharp & Dohme LLC | $1,270 | 61 | $0 (2024) |
| E.R. Squibb & Sons, L.L.C. | $1,262 | 81 | $0 (2024) |
| Celgene Corporation | $990.58 | 52 | $0 (2024) |
| McKesson Specialty Care Distribution, LLC | $789.93 | 14 | $0 (2020) |
| Amgen Inc. | $735.16 | 35 | $0 (2023) |
| GENZYME CORPORATION | $680.92 | 30 | $0 (2024) |
| AstraZeneca Pharmaceuticals LP | $647.65 | 34 | $0 (2024) |
| Genentech USA, Inc. | $596.33 | 38 | $0 (2023) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $2,259 | 110 | Celgene Corporation ($297.79) |
| 2023 | $2,262 | 108 | Celgene Corporation ($347.69) |
| 2022 | $2,431 | 117 | Amgen Inc. ($275.09) |
| 2021 | $2,295 | 120 | Novartis Pharmaceuticals Corporation ($297.50) |
| 2020 | $2,045 | 102 | GENZYME CORPORATION ($206.79) |
| 2019 | $2,035 | 106 | McKesson Specialty Care Distribution, LLC ($321.68) |
| 2018 | $1,660 | 80 | McKesson Specialty Care Distribution, LLC ($288.33) |
| 2017 | $1,723 | 105 | Merck Sharp & Dohme Corporation ($281.31) |
All Payment Transactions
848 individual payment records from CMS Open Payments — Page 1 of 34
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/30/2024 | PFIZER INC. | IBRANCE (Drug), TUKYSA | Food and Beverage | In-kind items and services | $23.49 | General |
| Category: ONCOLOGY | ||||||
| 12/19/2024 | SOBI, INC | SYNAGIS (Drug) | Food and Beverage | In-kind items and services | $20.73 | General |
| Category: IMMUNOLOGY | ||||||
| 12/17/2024 | Acrotech Biopharma Inc. | BELEODAQ (Drug) | Food and Beverage | In-kind items and services | $24.49 | General |
| Category: ONCOLOGY | ||||||
| 12/16/2024 | PFIZER INC. | INLYTA (Drug), PADCEV | Food and Beverage | In-kind items and services | $18.24 | General |
| Category: ONCOLOGY | ||||||
| 12/11/2024 | PFIZER INC. | IBRANCE (Drug), TUKYSA | Food and Beverage | In-kind items and services | $16.71 | General |
| Category: ONCOLOGY | ||||||
| 12/04/2024 | Celgene Corporation | REBLOZYL (Biological) | Food and Beverage | Cash or cash equivalent | $18.53 | General |
| Category: Hematology | ||||||
| 11/27/2024 | SOBI, INC | VONJO (Drug) | Food and Beverage | In-kind items and services | $18.49 | General |
| Category: HEMATOLOGY/ONCOLOGY | ||||||
| 11/26/2024 | Celgene Corporation | REBLOZYL (Biological) | Food and Beverage | Cash or cash equivalent | $21.72 | General |
| Category: Hematology | ||||||
| 11/26/2024 | Stemline Therapeutics Inc. | ELZONRIS (Drug) | Food and Beverage | In-kind items and services | $19.82 | General |
| Category: Oncology | ||||||
| 11/19/2024 | Karyopharm Therapeutics Inc. | XPOVIO (Drug) | Food and Beverage | In-kind items and services | $28.10 | General |
| Category: Oncology | ||||||
| 11/18/2024 | GENZYME CORPORATION | SARCLISA (Biological) | Food and Beverage | In-kind items and services | $38.77 | General |
| Category: Oncology | ||||||
| 11/13/2024 | TAIHO ONCOLOGY, INC. | LONSURF (Drug), INQOVI | Food and Beverage | In-kind items and services | $25.52 | General |
| Category: Oncology | ||||||
| 11/11/2024 | PFIZER INC. | BOSULIF (Drug), ELREXFIO, ADCETRIS | Food and Beverage | In-kind items and services | $9.48 | General |
| Category: METABOLIC DISEASE;ONCOLOGY | ||||||
| 11/07/2024 | E.R. Squibb & Sons, L.L.C. | KRAZATI (Drug) | Food and Beverage | Cash or cash equivalent | $13.08 | General |
| Category: Oncology | ||||||
| 11/04/2024 | Novartis Pharmaceuticals Corporation | SCEMBLIX (Drug) | Food and Beverage | In-kind items and services | $19.16 | General |
| Category: Oncology | ||||||
| 10/30/2024 | TAIHO ONCOLOGY, INC. | LONSURF (Drug), INQOVI | Food and Beverage | In-kind items and services | $26.12 | General |
| Category: Oncology | ||||||
| 10/29/2024 | Novartis Pharmaceuticals Corporation | KISQALI (Drug) | Food and Beverage | In-kind items and services | $15.09 | General |
| Category: Oncology | ||||||
| 10/28/2024 | Celgene Corporation | — | Food and Beverage | Cash or cash equivalent | $26.45 | General |
| 10/24/2024 | Rigel Pharmaceuticals, Inc. | Rezlidhia (Drug), Tavalisse | Food and Beverage | Cash or cash equivalent | $30.53 | General |
| Category: Acute Myeloid Leukemia | ||||||
| 10/15/2024 | ARRAY BIOPHARMA INC | LORBRENA (Drug), BRAFTOVI | Food and Beverage | In-kind items and services | $20.02 | General |
| Category: ONCOLOGY | ||||||
| 10/08/2024 | Novartis Pharmaceuticals Corporation | SCEMBLIX (Drug) | Food and Beverage | In-kind items and services | $22.37 | General |
| Category: Oncology | ||||||
| 09/30/2024 | E.R. Squibb & Sons, L.L.C. | KRAZATI (Drug) | Food and Beverage | Cash or cash equivalent | $13.84 | General |
| Category: Oncology | ||||||
| 09/30/2024 | E.R. Squibb & Sons, L.L.C. | KRAZATI (Drug) | Food and Beverage | Cash or cash equivalent | $0.49 | General |
| Category: Oncology | ||||||
| 09/25/2024 | Incyte Corporation | JAKAFI (Drug) | Food and Beverage | Cash or cash equivalent | $23.19 | General |
| Category: Hematology/Oncology | ||||||
| 09/23/2024 | E.R. Squibb & Sons, L.L.C. | OPDIVO (Biological) | Food and Beverage | Cash or cash equivalent | $16.93 | General |
| Category: Oncology | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 8 | 586 | 936 | $261,887 | $85,876 |
| 2022 | 53 | 3,636 | 127,129 | $5.3M | $1.8M |
| 2021 | 61 | 3,872 | 178,450 | $5.2M | $2.0M |
| 2020 | 68 | 3,876 | 131,605 | $4.2M | $1.5M |
Total Patients
11,970
Total Services
438,120
Medicare Billing
$5.4M
Procedure Codes
190
All Medicare Procedures & Services
190 procedure records from CMS Medicare Utilization — Page 1 of 8
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2023 | 101 | 258 | $93,912 | $31,780 | 33.8% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 105 | 192 | $47,424 | $16,232 | 34.2% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 201 | 260 | $42,640 | $14,583 | 34.2% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2023 | 71 | 71 | $36,565 | $10,868 | 29.7% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 43 | 43 | $17,372 | $4,438 | 25.5% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 29 | 71 | $11,360 | $4,252 | 37.4% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 25 | 27 | $12,096 | $3,546 | 29.3% |
| 99406 | Smoking and tobacco use intensive counseling, 4-10 minutes | Office | 2023 | 11 | 14 | $518.00 | $175.70 | 33.9% |
| J9271 | Injection, pembrolizumab, 1 mg | Office | 2022 | 22 | 33,600 | $3.4M | $1.2M | 37.1% |
| Q5108 | Injection, pegfilgrastim-jmdb, biosimilar, (fulphila), 0.5 mg | Office | 2022 | 17 | 576 | $403,200 | $84,208 | 20.9% |
| 96413 | Administration of chemotherapy into vein, 1 hour or less | Office | 2022 | 99 | 626 | $216,596 | $60,042 | 27.7% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 171 | 598 | $107,191 | $53,705 | 50.1% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2022 | 114 | 367 | $97,398 | $48,083 | 49.4% |
| G9678 | Oncology care model (ocm) monthly enhanced oncology services (meos) payment for ocm enhanced services. g9678 payments may only be made to ocm practitioners for ocm beneficiaries for the furnishment of enhanced services as defined in the ocm participation a | Office | 2022 | 69 | 286 | $45,760 | $45,518 | 99.5% |
| J1437 | Injection, ferric derisomaltose, 10 mg | Office | 2022 | 19 | 2,000 | $120,000 | $37,217 | 31.0% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 347 | 621 | $71,316 | $35,930 | 50.4% |
| J0881 | Injection, darbepoetin alfa, 1 microgram (non-esrd use) | Office | 2022 | 20 | 12,561 | $150,732 | $31,472 | 20.9% |
| 74177 | Ct scan of abdomen and pelvis with contrast | Office | 2022 | 65 | 95 | $61,750 | $15,799 | 25.6% |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Office | 2022 | 409 | 1,533 | $35,259 | $11,692 | 33.2% |
| 80048 | Blood test, basic group of blood chemicals (calcium, total) | Office | 2022 | 371 | 1,394 | $37,638 | $11,514 | 30.6% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2022 | 71 | 71 | $27,451 | $10,883 | 39.6% |
| Q0138 | Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) | Office | 2022 | 29 | 17,850 | $55,335 | $10,609 | 19.2% |
| 96375 | Injection of additional new drug or substance into vein | Office | 2022 | 88 | 739 | $39,167 | $8,624 | 22.0% |
| 96365 | Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Office | 2022 | 79 | 149 | $26,075 | $6,951 | 26.7% |
| 96417 | Administration of additional new drug or substance into vein, 1 hour or less | Office | 2022 | 39 | 138 | $27,600 | $6,772 | 24.5% |
About Dr. Douglas Michaelsen, MD
Dr. Douglas Michaelsen, MD is a Hematology & Oncology healthcare provider based in North Charleston, South Carolina. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 08/23/2005. The National Provider Identifier (NPI) number assigned to this provider is 1932191269.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Douglas Michaelsen, MD has received a total of $16,709 in payments from pharmaceutical and medical device companies, with $2,259 received in 2024. These payments were reported across 848 transactions from 74 companies. The most common payment nature is "Food and Beverage" ($15,981).
As a Medicare-enrolled provider, Michaelsen has provided services to 11,970 Medicare beneficiaries, totaling 438,120 services with total Medicare billing of $5.4M. Data is available for 4 years (2020–2023), covering 190 distinct procedure/service records.
Ad
Practice Information
- Specialty Hematology & Oncology
- Location North Charleston, SC
- Active Since 08/23/2005
- Last Updated 09/25/2025
- Taxonomy Code 207RH0003X
- Entity Type Individual
- NPI Number 1932191269
Products in Payments
- KEYTRUDA (Biological) $1,448
- OPDIVO (Biological) $965.81
- DARZALEX (Biological) $579.23
- Pomalyst (Drug) $398.58
- IMBRUVICA (Drug) $358.28
- KISQALI (Drug) $348.54
- REBLOZYL (Biological) $345.68
- SARCLISA (Biological) $307.14
- VERZENIO (Drug) $247.73
- PROMACTA (Drug) $241.26
- IBRANCE (Drug) $239.58
- TECENTRIQ (Biological) $238.55
- ZEPZELCA (Drug) $216.25
- TAGRISSO (Drug) $212.64
- LIBTAYO (Biological) $194.81
- XTANDI (Drug) $194.21
- ELITEK (Biological) $186.44
- Trodelvy (Drug) $170.60
- LYNPARZA (Drug) $165.64
- NINLARO (Drug) $163.40
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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