Total Payments
$9,339
2024 Payments
$1,806
Companies
43
Transactions
497
Medicare Patients
3,756
Medicare Billing
$442,394
Payment Breakdown by Category
Food & Beverage$9,069 (97.1%)
Education$270.27 (2.9%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $9,069 | 492 | 97.1% |
| Education | $270.27 | 5 | 2.9% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| PFIZER INC. | $2,263 | 113 | $0 (2024) |
| Lilly USA, LLC | $1,117 | 60 | $0 (2024) |
| SUN PHARMACEUTICAL INDUSTRIES INC. | $850.91 | 44 | $0 (2024) |
| Novartis Pharmaceuticals Corporation | $760.78 | 45 | $0 (2024) |
| Regeneron Healthcare Solutions, Inc. | $648.62 | 29 | $0 (2024) |
| GENZYME CORPORATION | $598.53 | 25 | $0 (2024) |
| Janssen Biotech, Inc. | $443.68 | 20 | $0 (2024) |
| ABBVIE INC. | $334.54 | 21 | $0 (2024) |
| E.R. Squibb & Sons, L.L.C. | $263.34 | 13 | $0 (2024) |
| MAYNE PHARMA INC. | $199.91 | 16 | $0 (2021) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,806 | 84 | PFIZER INC. ($266.10) |
| 2023 | $1,559 | 79 | Sun Pharmaceutical Industries Inc. ($332.40) |
| 2022 | $1,326 | 69 | Sun Pharmaceutical Industries Inc. ($214.30) |
| 2021 | $1,097 | 63 | Lilly USA, LLC ($258.29) |
| 2020 | $367.71 | 17 | GENZYME CORPORATION ($81.09) |
| 2019 | $717.36 | 38 | Lilly USA, LLC ($219.89) |
| 2018 | $1,132 | 66 | PFIZER INC. ($805.21) |
| 2017 | $1,335 | 81 | PFIZER INC. ($560.87) |
All Payment Transactions
497 individual payment records from CMS Open Payments — Page 1 of 20
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/17/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $23.09 | General |
| Category: Immunology | ||||||
| 12/17/2024 | PFIZER INC. | CIBINQO (Drug) | Food and Beverage | In-kind items and services | $17.34 | General |
| Category: Inflammation & Immunology | ||||||
| 12/13/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $24.79 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 12/09/2024 | Novartis Pharmaceuticals Corporation | COSENTYX (Drug) | Food and Beverage | In-kind items and services | $28.84 | General |
| Category: Dermatology | ||||||
| 12/04/2024 | E.R. Squibb & Sons, L.L.C. | Sotyktu (Drug) | Food and Beverage | Cash or cash equivalent | $14.45 | General |
| Category: Immunology | ||||||
| 12/03/2024 | PFIZER INC. | CIBINQO (Drug) | Food and Beverage | In-kind items and services | $20.97 | General |
| Category: Inflammation & Immunology | ||||||
| 11/22/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $22.69 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 11/14/2024 | Novartis Pharmaceuticals Corporation | COSENTYX (Drug) | Food and Beverage | In-kind items and services | $11.91 | General |
| Category: Dermatology | ||||||
| 11/12/2024 | Dermavant Sciences, Inc. | VTAMA (Drug) | Food and Beverage | In-kind items and services | $27.16 | General |
| Category: DERMATOLOGY | ||||||
| 11/08/2024 | Lilly USA, LLC | TALTZ (Drug), EBGLYSS | Food and Beverage | In-kind items and services | $20.57 | General |
| Category: Immunology | ||||||
| 11/08/2024 | ABBVIE INC. | SKYRIZI (Biological) | Food and Beverage | In-kind items and services | $6.17 | General |
| Category: IMMUNOLOGY | ||||||
| 11/05/2024 | PFIZER INC. | CIBINQO (Drug) | Food and Beverage | In-kind items and services | $27.63 | General |
| Category: Inflammation & Immunology | ||||||
| 10/25/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $28.50 | General |
| Category: Immunology | ||||||
| 10/25/2024 | ABBVIE INC. | SKYRIZI (Biological) | Food and Beverage | In-kind items and services | $13.10 | General |
| Category: IMMUNOLOGY | ||||||
| 10/23/2024 | Janssen Biotech, Inc. | TREMFYA (Drug) | Food and Beverage | In-kind items and services | $22.00 | General |
| Category: Immunology | ||||||
| 10/18/2024 | ABBVIE INC. | RINVOQ (Biological) | Food and Beverage | In-kind items and services | $7.43 | General |
| Category: IMMUNOLOGY | ||||||
| 10/11/2024 | Lilly USA, LLC | TALTZ (Drug), EBGLYSS | Food and Beverage | In-kind items and services | $19.03 | General |
| Category: Immunology | ||||||
| 10/11/2024 | ABBVIE INC. | RINVOQ (Biological) | Food and Beverage | In-kind items and services | $12.83 | General |
| Category: IMMUNOLOGY | ||||||
| 10/08/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $27.84 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 10/08/2024 | Amgen Inc. | Otezla (Drug) | Food and Beverage | In-kind items and services | $16.93 | General |
| Category: Inflammation | ||||||
| 10/04/2024 | Novartis Pharmaceuticals Corporation | COSENTYX (Drug) | Food and Beverage | In-kind items and services | $30.76 | General |
| Category: Dermatology | ||||||
| 09/24/2024 | PFIZER INC. | CIBINQO (Drug) | Food and Beverage | In-kind items and services | $20.36 | General |
| Category: Inflammation & Immunology | ||||||
| 09/18/2024 | Regeneron Healthcare Solutions, Inc. | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $22.24 | General |
| Category: INFLAMMATION AND IMMUNOLOGY | ||||||
| 09/13/2024 | ABBVIE INC. | RINVOQ (Biological) | Food and Beverage | In-kind items and services | $11.48 | General |
| Category: IMMUNOLOGY | ||||||
| 09/11/2024 | GENZYME CORPORATION | DUPIXENT (Biological) | Food and Beverage | In-kind items and services | $24.81 | General |
| Category: Immunology | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 18 | 927 | 1,810 | $191,588 | $73,629 |
| 2022 | 11 | 747 | 1,374 | $119,588 | $46,682 |
| 2021 | 18 | 950 | 5,389 | $362,341 | $204,525 |
| 2020 | 22 | 1,132 | 3,708 | $225,333 | $117,558 |
Total Patients
3,756
Total Services
12,281
Medicare Billing
$442,394
Procedure Codes
69
All Medicare Procedures & Services
69 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 96132 | Evaluation of neuropsychological test, first hour | Office | 2023 | 54 | 146 | $36,500 | $14,288 | 39.1% |
| 96130 | Evaluation of psychological test, first hour | Office | 2023 | 54 | 147 | $33,075 | $13,298 | 40.2% |
| 17110 | Destruction of skin growth, 1-14 growths | Office | 2023 | 104 | 126 | $19,782 | $8,686 | 43.9% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 91 | 106 | $13,250 | $5,633 | 42.5% |
| 17000 | Destruction of precancer skin growth, 1 growth | Office | 2023 | 97 | 127 | $12,827 | $3,912 | 30.5% |
| G0396 | Alcohol and/or substance (other than tobacco) misuse structured assessment (e.g., audit, dast), and brief intervention 15 to 30 minutes | Office | 2023 | 54 | 146 | $10,950 | $3,815 | 34.8% |
| 96138 | Administration of psychological or neuropsychological test by technician, first 30 minutes | Office | 2023 | 54 | 145 | $9,425 | $3,444 | 36.5% |
| 11102 | Biopsy of related skin growth, first growth | Office | 2023 | 54 | 58 | $8,584 | $3,280 | 38.2% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 38 | 46 | $8,190 | $3,085 | 37.7% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Office | 2023 | 82 | 96 | $7,392 | $2,997 | 40.5% |
| 17262 | Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm | Office | 2023 | 20 | 26 | $6,448 | $2,769 | 42.9% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2023 | 39 | 39 | $6,006 | $2,176 | 36.2% |
| 17003 | Destruction of precancer skin growth, 2-14 growths | Office | 2023 | 74 | 475 | $8,550 | $2,091 | 24.5% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 19 | 19 | $4,351 | $1,790 | 41.1% |
| G0444 | Annual depression screening, 5 to 15 minutes | Office | 2023 | 54 | 54 | $2,700 | $909.36 | 33.7% |
| 99202 | New patient office or other outpatient visit, 15-29 minutes | Office | 2023 | 16 | 16 | $1,696 | $745.36 | 43.9% |
| 11103 | Biopsy of related skin growth, each additional growth | Office | 2023 | 12 | 14 | $1,022 | $491.69 | 48.1% |
| 96372 | Injection of drug or substance under skin or into muscle | Office | 2023 | 11 | 24 | $840.00 | $217.98 | 26.0% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 118 | 237 | $33,521 | $15,177 | 45.3% |
| 17110 | Destruction of skin growth, 1-14 growths | Office | 2022 | 90 | 108 | $16,956 | $7,143 | 42.1% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 91 | 102 | $12,750 | $5,429 | 42.6% |
| 11102 | Biopsy of related skin growth, first growth | Office | 2022 | 71 | 78 | $11,544 | $3,942 | 34.1% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Office | 2022 | 50 | 50 | $7,700 | $2,913 | 37.8% |
| 17000 | Destruction of precancer skin growth, 1 growth | Office | 2022 | 80 | 105 | $10,605 | $2,910 | 27.4% |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | Office | 2022 | 70 | 81 | $6,237 | $2,833 | 45.4% |
About Dr. Michael Mcmahan, MD
Dr. Michael Mcmahan, MD is a Non-Pharmacy Dispensing Site healthcare provider based in Oklahoma City, Oklahoma. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 11/01/2006. The National Provider Identifier (NPI) number assigned to this provider is 1710064209.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Michael Mcmahan, MD has received a total of $9,339 in payments from pharmaceutical and medical device companies, with $1,806 received in 2024. These payments were reported across 497 transactions from 43 companies. The most common payment nature is "Food and Beverage" ($9,069).
As a Medicare-enrolled provider, Mcmahan has provided services to 3,756 Medicare beneficiaries, totaling 12,281 services with total Medicare billing of $442,394. Data is available for 4 years (2020–2023), covering 69 distinct procedure/service records.
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Practice Information
- Specialty Non-Pharmacy Dispensing Site
- Other Specialties Family Medicine
- Location Oklahoma City, OK
- Active Since 11/01/2006
- Last Updated 01/24/2024
- Taxonomy Code 332900000X
- Entity Type Individual
- Practice Solo Practitioner
- NPI Number 1710064209
Products in Payments
- EUCRISA (Drug) $1,406
- DUPIXENT (Biological) $1,111
- TALTZ (Drug) $1,008
- CIBINQO (Drug) $442.53
- TREMFYA (Drug) $388.04
- COSENTYX (Biological) $376.33
- ILUMYA (Biological) $357.61
- COSENTYX (Drug) $321.52
- LYRICA (Drug) $279.97
- Sotyktu (Drug) $243.45
- Odomzo (Drug) $224.35
- Otezla (Drug) $193.54
- Cimzia (Drug) $186.58
- RINVOQ (Biological) $173.23
- CHANTIX (Drug) $114.41
- OLUMIANT (Drug) $109.51
- Ilumya (Biological) $103.07
- INTELLIS ADAPTIVESTIM (Device) $96.37
- DORYX (Drug) $89.16
- SKYRIZI (Biological) $76.26
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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.