Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $392.98 | 14 | 100.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Gilead Sciences, Inc. | $268.17 | 13 | $0 (2024) |
| ABIOMED | $124.81 | 1 | $0 (2020) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $118.27 | 6 | Gilead Sciences, Inc. ($118.27) |
| 2023 | $70.02 | 3 | Gilead Sciences, Inc. ($70.02) |
| 2022 | $59.04 | 3 | Gilead Sciences, Inc. ($59.04) |
| 2021 | $20.84 | 1 | Gilead Sciences, Inc. ($20.84) |
| 2020 | $124.81 | 1 | ABIOMED ($124.81) |
All Payment Transactions
14 individual payment records from CMS Open Payments
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 08/06/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $20.63 | General |
| 06/07/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $22.22 | General |
| 04/12/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $18.34 | General |
| 03/08/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $20.00 | General |
| 02/08/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $16.08 | General |
| 01/10/2024 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $21.00 | General |
| 11/21/2023 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $24.64 | General |
| 10/02/2023 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $20.00 | General |
| 08/16/2023 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $25.38 | General |
| 06/16/2022 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $11.75 | General |
| 03/11/2022 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $18.72 | General |
| 01/19/2022 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $28.57 | General |
| 10/08/2021 | Gilead Sciences, Inc. | — | Food and Beverage | In-kind items and services | $20.84 | General |
| 09/18/2020 | ABIOMED | Impella (Device) | Food and Beverage | In-kind items and services | $124.81 | General |
| Category: Cardiology/Vascular Diseases | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 5 | 237 | 565 | $87,441 | $50,769 |
| 2022 | 6 | 268 | 546 | $79,738 | $50,768 |
| 2021 | 7 | 339 | 581 | $76,094 | $50,987 |
| 2020 | 6 | 281 | 537 | $57,196 | $36,605 |
All Medicare Procedures & Services
24 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 142 | 445 | $73,425 | $42,842 | 58.3% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 2023 | 30 | 30 | $4,950 | $4,344 | 87.8% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 25 | 44 | $5,280 | $2,462 | 46.6% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 13 | 13 | $2,730 | $726.56 | 26.6% |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Office | 2023 | 27 | 33 | $1,056 | $394.80 | 37.4% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 125 | 363 | $58,850 | $36,264 | 61.6% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 2022 | 53 | 53 | $8,740 | $7,933 | 90.8% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 32 | 60 | $7,200 | $4,334 | 60.2% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 18 | 18 | $3,732 | $1,768 | 47.4% |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Office | 2022 | 27 | 36 | $1,152 | $414.16 | 36.0% |
| 81002 | Urinalysis, manual test | Office | 2022 | 13 | 16 | $64.00 | $55.03 | 86.0% |
| 99214 | Established patient outpatient visit, total time 30-39 minutes | Office | 2021 | 111 | 324 | $51,375 | $33,011 | 64.3% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 2021 | 65 | 65 | $10,390 | $9,879 | 95.1% |
| 99213 | Established patient outpatient visit, total time 20-29 minutes | Office | 2021 | 34 | 57 | $6,632 | $3,559 | 53.7% |
| 99204 | New patient outpatient visit, total time 45-59 minutes | Office | 2021 | 20 | 20 | $4,189 | $2,053 | 49.0% |
| 90674 | Vaccine for influenza derived from cell cultures for administration into muscle, 0.5 ml dosage, quadrivalent, , preservative and antibiotic free | Office | 2021 | 42 | 42 | $1,256 | $1,254 | 99.8% |
| G0008 | Administration of influenza virus vaccine | Office | 2021 | 42 | 42 | $1,260 | $842.94 | 66.9% |
| 93000 | Routine ekg using at least 12 leads including interpretation and report | Office | 2021 | 25 | 31 | $992.00 | $388.68 | 39.2% |
| 99214 | Established patient office or other outpatient, visit typically 25 minutes | Office | 2020 | 94 | 289 | $39,465 | $23,370 | 59.2% |
| 99213 | Established patient office or other outpatient visit, typically 15 minutes | Office | 2020 | 50 | 103 | $10,083 | $6,744 | 66.9% |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 2020 | 30 | 30 | $4,220 | $4,009 | 95.0% |
| 90674 | Vaccine for influenza for administration into muscle, 0.5 ml dosage | Office | 2020 | 42 | 42 | $1,176 | $1,176 | 100.0% |
| G0008 | Administration of influenza virus vaccine | Office | 2020 | 42 | 42 | $1,260 | $816.90 | 64.8% |
| 93000 | Routine ekg using at least 12 leads including interpretation and report | Office | 2020 | 23 | 31 | $992.00 | $489.32 | 49.3% |
About Dr. Michelle Tan, MD
Dr. Michelle Tan, MD is a Internal Medicine healthcare provider based in Gaithersburg, Maryland. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 03/22/2006. The National Provider Identifier (NPI) number assigned to this provider is 1467411959.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Michelle Tan, MD has received a total of $392.98 in payments from pharmaceutical and medical device companies, with $118.27 received in 2024. These payments were reported across 14 transactions from 2 companies. The most common payment nature is "Food and Beverage" ($392.98).
As a Medicare-enrolled provider, Tan has provided services to 1,125 Medicare beneficiaries, totaling 2,229 services with total Medicare billing of $189,129. Data is available for 4 years (2020–2023), covering 24 distinct procedure/service records.
Practice Information
- Specialty Internal Medicine
- Location Gaithersburg, MD
- Active Since 03/22/2006
- Last Updated 11/16/2009
- Taxonomy Code 207R00000X
- Entity Type Individual
- Practice Solo Practitioner
- NPI Number 1467411959
Products in Payments
- Impella (Device) $124.81
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.
Internal Medicine Doctors in Gaithersburg
Stephen Nguyen, M.d, M.D
Internal Medicine — Payments: $6,962
Kamala Foster, M.d, M.D
Internal Medicine — Payments: $6,948
Qiufang Cheng, Md, MD
Internal Medicine — Payments: $5,555
Dr. Tuanh Tonnu, Md, MD
Internal Medicine — Payments: $3,712
Dr. Kshama Garg, M.d, M.D
Internal Medicine — Payments: $1,970
Dr. Rupinder Singh, M.d, M.D
Internal Medicine — Payments: $1,598