Total Payments
$9,970
2024 Payments
$342.53
Companies
14
Transactions
43
Medicare Patients
647
Medicare Billing
$42,824
Payment Breakdown by Category
Other$4,240 (42.5%)
Consulting$3,500 (35.1%)
Food & Beverage$2,145 (21.5%)
Education$84.99 (0.9%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $4,240 | 4 | 42.5% |
| Consulting Fee | $3,500 | 9 | 35.1% |
| Food and Beverage | $2,145 | 29 | 21.5% |
| Education | $84.99 | 1 | 0.9% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $7,876 | 16 | $0 (2024) |
| Janssen Pharmaceuticals, Inc | $356.61 | 3 | $0 (2022) |
| AbbVie Inc. | $323.46 | 8 | $0 (2020) |
| Alpha Orthopedic Systems | $303.88 | 2 | $0 (2022) |
| Novo Nordisk Inc | $241.99 | 2 | $0 (2024) |
| Astellas Pharma US Inc | $209.98 | 2 | $0 (2024) |
| Boston Scientific Corporation | $163.42 | 2 | $0 (2022) |
| Merck Sharp & Dohme Corporation | $139.83 | 2 | $0 (2019) |
| Abbott Laboratories | $120.75 | 1 | $0 (2019) |
| Edwards Lifesciences Corporation | $113.57 | 1 | $0 (2022) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $342.53 | 3 | Astellas Pharma US Inc ($124.99) |
| 2023 | $125.00 | 1 | Novo Nordisk Inc ($125.00) |
| 2022 | $826.23 | 7 | Alpha Orthopedic Systems ($303.88) |
| 2020 | $134.73 | 2 | Janssen Pharmaceuticals, Inc ($120.84) |
| 2019 | $606.26 | 12 | AbbVie, Inc. ($295.59) |
| 2018 | $2,273 | 9 | Bayer HealthCare Pharmaceuticals Inc. ($2,100) |
| 2017 | $5,662 | 9 | Bayer HealthCare Pharmaceuticals Inc. ($5,662) |
All Payment Transactions
43 individual payment records from CMS Open Payments — Page 1 of 2
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 11/14/2024 | Bayer Healthcare Pharmaceuticals Inc. | Kerendia (Drug) | Food and Beverage | In-kind items and services | $100.55 | General |
| Category: Cardio-renal | ||||||
| 05/09/2024 | Novo Nordisk Inc | — | Food and Beverage | In-kind items and services | $116.99 | General |
| 02/29/2024 | Astellas Pharma US Inc | Veozah (Drug) | Food and Beverage | In-kind items and services | $124.99 | General |
| Category: Biological | ||||||
| 02/23/2023 | Novo Nordisk Inc | Wegovy (Drug) | Food and Beverage | In-kind items and services | $125.00 | General |
| Category: Obesity | ||||||
| 12/14/2022 | Boston Scientific Corporation | General - Vascular Intervention (Device) | Food and Beverage | In-kind items and services | $143.50 | General |
| Category: General - Vascular Intervention_PI | ||||||
| 10/12/2022 | AstraZeneca Pharmaceuticals LP | SAPHNELO (Biological) | Food and Beverage | In-kind items and services | $68.91 | General |
| Category: Inflammation and Autoimmunity | ||||||
| 07/14/2022 | Astellas Pharma US Inc | — | Education | In-kind items and services | $84.99 | General |
| 06/21/2022 | Janssen Pharmaceuticals, Inc | XARELTO (Drug) | Food and Beverage | In-kind items and services | $111.38 | General |
| Category: Cardiovascular & Metabolism | ||||||
| 05/12/2022 | Alpha Orthopedic Systems | — | Food and Beverage | In-kind items and services | $151.94 | General |
| 05/11/2022 | Alpha Orthopedic Systems | — | Food and Beverage | In-kind items and services | $151.94 | General |
| 04/13/2022 | Edwards Lifesciences Corporation | EDWARDS SAPIEN 3 TRANSCATHETER HEART VALVE (THV) (Device) | Food and Beverage | In-kind items and services | $113.57 | General |
| Category: Transcatheter Heart Valves | ||||||
| 02/24/2020 | AbbVie Inc. | ORILISSA (Drug) | Food and Beverage | In-kind items and services | $13.89 | General |
| Category: WOMENS HEALTH | ||||||
| 02/12/2020 | Janssen Pharmaceuticals, Inc | XARELTO (Drug) | Food and Beverage | In-kind items and services | $120.84 | General |
| Category: Cardiovascular & Metabolism | ||||||
| 12/16/2019 | Bayer HealthCare Pharmaceuticals Inc. | Kyleena (Drug), Mirena, Skyla | Food and Beverage | In-kind items and services | $13.70 | General |
| Category: Women's Health | ||||||
| 10/18/2019 | Vertical Pharmaceuticals, LLC | RELEXXII (Drug), LORZONE | Food and Beverage | In-kind items and services | $12.70 | General |
| Category: ADHD | ||||||
| 09/17/2019 | AbbVie, Inc. | Orilissa (Drug) | Food and Beverage | In-kind items and services | $115.00 | General |
| Category: Endocrinology | ||||||
| 09/09/2019 | AbbVie, Inc. | Orilissa (Drug) | Food and Beverage | In-kind items and services | $13.74 | General |
| Category: Endocrinology | ||||||
| 07/24/2019 | AbbVie, Inc. | Orilissa (Drug) | Food and Beverage | In-kind items and services | $24.83 | General |
| Category: Endocrinology | ||||||
| 07/23/2019 | Merck Sharp & Dohme Corporation | GARDASIL (Biological) | Food and Beverage | In-kind items and services | $124.74 | General |
| Category: VACCINE | ||||||
| 06/17/2019 | Abbott Laboratories | Proclaim Family of SCS IPGs (Device) | Food and Beverage | In-kind items and services | $120.75 | General |
| Category: Cardiac Arrhythmias and Heart Failure | ||||||
| 05/30/2019 | Hologic, LLC | Omniscope (Device), myosure, Fluent | Food and Beverage | In-kind items and services | $20.65 | General |
| Category: Surgical | ||||||
| 05/13/2019 | AbbVie, Inc. | Orilissa (Drug) | Food and Beverage | In-kind items and services | $21.80 | General |
| Category: Endocrinology | ||||||
| 03/25/2019 | AbbVie, Inc. | Orilissa (Drug) | Food and Beverage | In-kind items and services | $108.52 | General |
| Category: Endocrinology | ||||||
| 03/11/2019 | CooperSurgical, Inc. | Paragard (Device) | Food and Beverage | In-kind items and services | $18.13 | General |
| Category: Endocrinology | ||||||
| 02/06/2019 | AbbVie, Inc. | Orilissa (Drug) | Food and Beverage | In-kind items and services | $11.70 | General |
| Category: Endocrinology | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 5 | 179 | 200 | $43,754 | $12,736 |
| 2022 | 5 | 160 | 170 | $34,478 | $10,443 |
| 2021 | 6 | 151 | 156 | $32,265 | $9,067 |
| 2020 | 7 | 157 | 180 | $42,761 | $10,578 |
Total Patients
647
Total Services
706
Medicare Billing
$42,824
Procedure Codes
23
All Medicare Procedures & Services
23 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2023 | 28 | 39 | $16,068 | $4,582 | 28.5% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 28 | 34 | $10,370 | $2,762 | 26.6% |
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | Office | 2023 | 68 | 68 | $7,344 | $2,477 | 33.7% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 28 | 32 | $6,624 | $1,845 | 27.8% |
| Q0091 | Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Office | 2023 | 27 | 27 | $3,348 | $1,070 | 32.0% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2022 | 21 | 23 | $9,476 | $2,946 | 31.1% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 28 | 34 | $10,370 | $2,805 | 27.0% |
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | Office | 2022 | 65 | 65 | $7,020 | $2,398 | 34.2% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 18 | 20 | $4,140 | $1,179 | 28.5% |
| Q0091 | Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Office | 2022 | 28 | 28 | $3,472 | $1,116 | 32.1% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Office | 2021 | 24 | 28 | $8,540 | $2,188 | 25.6% |
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | Office | 2021 | 55 | 55 | $5,940 | $2,031 | 34.2% |
| 99215 | Established patient outpatient visit, total time 40-54 minutes | Office | 2021 | 16 | 17 | $7,004 | $1,861 | 26.6% |
| Q0091 | Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Office | 2021 | 27 | 27 | $3,348 | $1,087 | 32.5% |
| 76830 | Ultrasound pelvis through vagina | Office | 2021 | 11 | 11 | $3,707 | $993.85 | 26.8% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Office | 2021 | 18 | 18 | $3,726 | $905.58 | 24.3% |
| 99214 | Established patient office or other outpatient, visit typically 25 minutes | Office | 2020 | 43 | 60 | $18,356 | $4,176 | 22.8% |
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | Office | 2020 | 40 | 40 | $4,320 | $1,524 | 35.3% |
| 99213 | Established patient office or other outpatient visit, typically 15 minutes | Office | 2020 | 27 | 29 | $6,028 | $1,452 | 24.1% |
| 76830 | Ultrasound pelvis through vagina | Office | 2020 | 12 | 15 | $5,055 | $1,290 | 25.5% |
| 76856 | Ultrasound of pelvis | Office | 2020 | 11 | 12 | $3,660 | $977.84 | 26.7% |
| 99203 | New patient office or other outpatient visit, typically 30 minutes | Office | 2020 | 13 | 13 | $3,978 | $715.01 | 18.0% |
| Q0091 | Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Office | 2020 | 11 | 11 | $1,364 | $443.33 | 32.5% |
About Dr. Tamara Callahan, M.D
Dr. Tamara Callahan, M.D is a Obstetrics & Gynecology healthcare provider based in Louisville, Kentucky. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 06/01/2006. The National Provider Identifier (NPI) number assigned to this provider is 1558308296.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Tamara Callahan, M.D has received a total of $9,970 in payments from pharmaceutical and medical device companies, with $342.53 received in 2024. These payments were reported across 43 transactions from 14 companies. The most common payment nature is "Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program" ($4,240).
As a Medicare-enrolled provider, Callahan has provided services to 647 Medicare beneficiaries, totaling 706 services with total Medicare billing of $42,824. Data is available for 4 years (2020–2023), covering 23 distinct procedure/service records.
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Practice Information
- Specialty Obstetrics & Gynecology
- Other Specialties Gynecology, Obstetrics & Gynecology
- Location Louisville, KY
- Active Since 06/01/2006
- Last Updated 08/26/2024
- Taxonomy Code 207V00000X
- Entity Type Individual
- NPI Number 1558308296
Products in Payments
- Essure (Device) $4,262
- Kyleena (Drug) $3,514
- XARELTO (Drug) $356.61
- Orilissa (Drug) $309.57
- General - Vascular Intervention (Device) $143.50
- Wegovy (Drug) $125.00
- Veozah (Drug) $124.99
- GARDASIL (Biological) $124.74
- Proclaim Family of SCS IPGs (Device) $120.75
- EDWARDS SAPIEN 3 TRANSCATHETER HEART VALVE (THV) (Device) $113.57
- Kerendia (Drug) $100.55
- SAPHNELO (Biological) $68.91
- Omniscope (Device) $20.65
- SYMPHION (Device) $19.92
- Paragard (Device) $18.13
- NEXPLANON (Drug) $15.09
- ORILISSA (Drug) $13.89
- RELEXXII (Drug) $12.70
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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