Total Payments
$122,306
2024 Payments
$48,661
Companies
17
Transactions
103
Medicare Patients
359
Medicare Billing
$69,317
Payment Breakdown by Category
Consulting$84,351 (69.0%)
Research$30,906 (25.3%)
Food & Beverage$4,241 (3.5%)
Travel$2,557 (2.1%)
Other$250.00 (0.2%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Consulting Fee | $84,351 | 24 | 69.0% |
| Unspecified | $30,906 | 11 | 25.3% |
| Food and Beverage | $4,241 | 56 | 3.5% |
| Travel and Lodging | $2,557 | 11 | 2.1% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $250.00 | 1 | 0.2% |
Payments by Type
General
$91,399
92 transactions
Research
$30,906
11 transactions
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| MicroVention, Inc. | $42,417 | 9 | $0 (2024) |
| Boston Scientific Corporation | $31,631 | 34 | $0 (2024) |
| Hyperfine Operations, Inc. | $18,875 | 4 | $0 (2024) |
| Medtronic, Inc. | $10,162 | 16 | $0 (2024) |
| Perfuze Limited | $4,665 | 1 | $0 (2024) |
| Chiesi USA, Inc. | $3,875 | 1 | $0 (2022) |
| Hyperfine Research, Inc. | $3,225 | 1 | $0 (2020) |
| Imperative Care, Inc | $3,055 | 2 | $0 (2023) |
| Stryker Corporation | $1,783 | 22 | $0 (2024) |
| Balt USA, LLC | $1,028 | 4 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $48,661 | 40 | MicroVention, Inc. ($25,544) |
| 2023 | $29,639 | 21 | MicroVention, Inc. ($12,125) |
| 2022 | $29,153 | 13 | BOSTON SCIENTIFIC CORPORATION ($10,797) |
| 2021 | $8,808 | 14 | BOSTON SCIENTIFIC CORPORATION ($4,136) |
| 2020 | $3,926 | 3 | Hyperfine Research, Inc. ($3,225) |
| 2019 | $1,238 | 6 | Balt USA, LLC ($756.03) |
| 2018 | $854.37 | 5 | Stryker Corporation ($515.63) |
| 2017 | $25.88 | 1 | ASAHI INTECC USA, INC. ($25.88) |
All Payment Transactions
103 individual payment records from CMS Open Payments — Page 1 of 5
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 11/05/2024 | Stryker Corporation | TREVO (Device) | Food and Beverage | In-kind items and services | $21.78 | General |
| Category: MICROCATHETERSTENTRIEVER | ||||||
| 11/01/2024 | Boston Scientific Corporation | TheraSphere Y90 Glass Microspheres 7.0 GBq (US Commercial) (Device) | Consulting Fee | Cash or cash equivalent | $3,750.00 | General |
| Category: TheraSphere Y90 Glass Microspheres 7.0 GBq (US Commercial)_PI | ||||||
| 11/01/2024 | Boston Scientific Corporation | TheraSphere Y90 Glass Microspheres 7.0 GBq (US Commercial) (Device) | Travel and Lodging | Cash or cash equivalent | $178.12 | General |
| Category: TheraSphere Y90 Glass Microspheres 7.0 GBq (US Commercial)_PI | ||||||
| 11/01/2024 | Boston Scientific Corporation | TheraSphere Y90 Glass Microspheres 7.0 GBq (US Commercial) (Device) | Travel and Lodging | Cash or cash equivalent | $132.50 | General |
| Category: TheraSphere Y90 Glass Microspheres 7.0 GBq (US Commercial)_PI | ||||||
| 11/01/2024 | Boston Scientific Corporation | TheraSphere Y90 Glass Microspheres 7.0 GBq (US Commercial) (Device) | Food and Beverage | Cash or cash equivalent | $29.70 | General |
| Category: TheraSphere Y90 Glass Microspheres 7.0 GBq (US Commercial)_PI | ||||||
| 10/17/2024 | Boston Scientific Corporation | TheraSphere Y90 Glass Microspheres 10 GBq (Device) | Food and Beverage | In-kind items and services | $38.62 | General |
| Category: TheraSphere_PI | ||||||
| 10/08/2024 | MicroVention, Inc. | STENT (Device), WEB ANEURYSM EMBOLIZATION SYSTEM, AZUR CX DETACHABLE | Food and Beverage | In-kind items and services | $125.17 | General |
| Category: NEUROLOGICAL PRODUCT | ||||||
| 09/26/2024 | Perfuze Limited | — | Consulting Fee | Cash or cash equivalent | $4,665.20 | General |
| 08/22/2024 | Boston Scientific Corporation | TheraSphere Y90 Glass Microspheres 7.0 GBq (US Commercial) (Device) | Travel and Lodging | In-kind items and services | $337.74 | General |
| Category: TheraSphere Y90 Glass Microspheres 7.0 GBq (US Commercial)_PI | ||||||
| 08/22/2024 | Boston Scientific Corporation | — | Food and Beverage | In-kind items and services | $21.80 | General |
| Category: Clinical Trial Product_PI | ||||||
| 08/22/2024 | Boston Scientific Corporation | — | Food and Beverage | In-kind items and services | $12.46 | General |
| Category: Clinical Trial Product_PI | ||||||
| 08/22/2024 | Boston Scientific Corporation | — | Food and Beverage | In-kind items and services | $8.04 | General |
| Category: Clinical Trial Product_PI | ||||||
| 08/21/2024 | Boston Scientific Corporation | TheraSphere Y90 Glass Microspheres 7.0 GBq (US Commercial) (Device) | Travel and Lodging | In-kind items and services | $294.04 | General |
| Category: TheraSphere Y90 Glass Microspheres 7.0 GBq (US Commercial)_PI | ||||||
| 08/03/2024 | Stryker Corporation | OPTABLATE (Device), SPINEJACK | Food and Beverage | In-kind items and services | $28.28 | General |
| Category: INTERVENTIONAL SPINE | ||||||
| 08/03/2024 | Stryker Corporation | OPTABLATE (Device), SPINEJACK | Food and Beverage | In-kind items and services | $21.21 | General |
| Category: INTERVENTIONAL SPINE | ||||||
| 08/03/2024 | Stryker Corporation | OPTABLATE (Device), SPINEJACK | Food and Beverage | In-kind items and services | $6.34 | General |
| Category: INTERVENTIONAL SPINE | ||||||
| 07/17/2024 | Medtronic, Inc. | ONYX 18 (Device) | — | Cash or cash equivalent | $1,218.75 | Research |
| Study: EMBOLISE • Category: Liquid Embolics | ||||||
| 07/10/2024 | MicroVention, Inc. | SOFIA 6F-131CM STR (Device) | Consulting Fee | Cash or cash equivalent | $8,250.00 | General |
| Category: NEUROLOGICAL PRODUCT | ||||||
| 07/02/2024 | Hyperfine Operations, Inc. | Swoop (Device) | Consulting Fee | Cash or cash equivalent | $2,550.00 | General |
| Category: Portable MRI | ||||||
| 06/27/2024 | Boston Scientific Corporation | TheraSphere Y90 Glass Microspheres 7.0 GBq (US Commercial) (Device) | Consulting Fee | Cash or cash equivalent | $750.00 | General |
| Category: TheraSphere Y90 Glass Microspheres 7.0 GBq (US Commercial)_PI | ||||||
| 06/26/2024 | Stryker Corporation | TARGET (Device) | Food and Beverage | In-kind items and services | $159.55 | General |
| Category: DETACHABLE COIL | ||||||
| 06/26/2024 | Stryker Corporation | EVOLVE (Device) | Food and Beverage | In-kind items and services | $11.65 | General |
| Category: TRAUMA & EXTREMITIES | ||||||
| 06/25/2024 | Medtronic, Inc. | ONYX 18 (Device) | — | Cash or cash equivalent | $375.00 | Research |
| Study: EMBOLISE • Category: Liquid Embolics | ||||||
| 06/25/2024 | Stryker Corporation | TARGET (Device) | Food and Beverage | In-kind items and services | $25.00 | General |
| Category: DETACHABLE COIL | ||||||
| 06/13/2024 | Boston Scientific Corporation | — | Consulting Fee | Cash or cash equivalent | $2,585.00 | General |
| Category: Clinical Trial Product_PI | ||||||
Research Studies & Clinical Trials
| Study Name | Company | Amount | Records |
|---|---|---|---|
| CL11012 | MicroVention, Inc. | $17,000 | 2 |
| EMBOLISE | Medtronic, Inc. | $9,281 | 8 |
| SOFia Aspiration System as first line Technique | MicroVention, Inc. | $4,625 | 1 |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 6 | 86 | 110 | $126,756 | $17,750 |
| 2022 | 6 | 102 | 118 | $141,021 | $21,617 |
| 2021 | 3 | 58 | 59 | $49,938 | $10,701 |
| 2020 | 7 | 113 | 123 | $138,470 | $19,249 |
Total Patients
359
Total Services
410
Medicare Billing
$69,317
Procedure Codes
22
All Medicare Procedures & Services
22 procedure records from CMS Medicare Utilization
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 61645 | Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance | Facility | 2023 | 12 | 13 | $45,944 | $10,111 | 22.0% |
| 36224 | Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist | Facility | 2023 | 13 | 14 | $26,842 | $4,047 | 15.1% |
| 96450 | Administration of chemotherapy into fluid-filled space between the tissue that cover the brain and spinal cord | Facility | 2023 | 14 | 24 | $40,176 | $1,590 | 4.0% |
| 62328 | Removal of spinal fluid with lower back spinal tap for diagnostic test using imaging guidance | Facility | 2023 | 15 | 16 | $8,224 | $1,098 | 13.4% |
| 77003 | Fluoroscopic guidance for spine or back muscle injection | Facility | 2023 | 21 | 32 | $4,704 | $783.04 | 16.6% |
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Facility | 2023 | 11 | 11 | $866.00 | $122.11 | 14.1% |
| 61645 | Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance | Facility | 2022 | 14 | 14 | $51,172 | $10,586 | 20.7% |
| 36224 | Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist | Facility | 2022 | 13 | 15 | $35,356 | $5,244 | 14.8% |
| 62328 | Removal of spinal fluid with lower back spinal tap for diagnostic test using imaging guidance | Facility | 2022 | 29 | 29 | $14,906 | $2,237 | 15.0% |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | Office | 2022 | 16 | 18 | $4,400 | $1,862 | 42.3% |
| 96450 | Administration of chemotherapy into fluid-filled space between the tissue that cover the brain and spinal cord | Facility | 2022 | 13 | 19 | $31,806 | $1,145 | 3.6% |
| 77003 | Fluoroscopic guidance for spine or back muscle injection | Facility | 2022 | 17 | 23 | $3,381 | $543.50 | 16.1% |
| 61645 | Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance, accessed through skin | Facility | 2021 | 11 | 11 | $30,124 | $7,691 | 25.5% |
| 62328 | Diagnostic spinal tap of lower spine using imaging guidance | Facility | 2021 | 35 | 35 | $17,990 | $2,680 | 14.9% |
| 77003 | Fluoroscopic guidance for injection into spine or muscle next to spine | Facility | 2021 | 12 | 13 | $1,824 | $329.62 | 18.1% |
| 36224 | Insertion of catheter into artery on one side of neck for diagnosis or treatment including radiological supervision and interpretation | Facility | 2020 | 22 | 23 | $55,571 | $8,124 | 14.6% |
| 36226 | Insertion of catheter into chest artery for diagnosis or treatment including radiological supervision and interpretation | Facility | 2020 | 16 | 16 | $31,592 | $3,102 | 9.8% |
| 36227 | Insertion of catheter into artery on one side of neck for diagnosis or treatment including radiological supervision and interpretation | Facility | 2020 | 15 | 15 | $16,141 | $2,346 | 14.5% |
| 62328 | Diagnostic spinal tap of lower spine using imaging guidance | Facility | 2020 | 25 | 26 | $13,364 | $2,085 | 15.6% |
| 36246 | Insertion of catheter into abdominal pelvic or leg artery | Facility | 2020 | 13 | 13 | $9,950 | $1,987 | 20.0% |
| 75898 | Imaging of blood vessel | Facility | 2020 | 11 | 18 | $10,664 | $1,455 | 13.6% |
| 76937 | Ultrasound guidance for accessing into blood vessel | Facility | 2020 | 11 | 12 | $1,188 | $149.84 | 12.6% |
About Sameer Ansari, MD, PHD
Sameer Ansari, MD, PHD is a Neuroradiology healthcare provider based in Chicago, Illinois. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 08/20/2006. The National Provider Identifier (NPI) number assigned to this provider is 1932214152.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Sameer Ansari, MD, PHD has received a total of $122,306 in payments from pharmaceutical and medical device companies, with $48,661 received in 2024. These payments were reported across 103 transactions from 17 companies. The most common payment nature is "Consulting Fee" ($84,351).
As a Medicare-enrolled provider, Ansari has provided services to 359 Medicare beneficiaries, totaling 410 services with total Medicare billing of $69,317. Data is available for 4 years (2020–2023), covering 22 distinct procedure/service records.
Ad
Practice Information
- Specialty Neuroradiology
- Other Specialties Diagnostic Radiology, Vascular & Interventional Radiology
- Location Chicago, IL
- Active Since 08/20/2006
- Last Updated 06/27/2024
- Taxonomy Code 2085N0700X
- Entity Type Individual
- NPI Number 1932214152
Products in Payments
- SOFIA 6F-131CM STR (Device) $37,375
- Swoop (Device) $22,100
- Clinical Trial Product (Device) $10,728
- TheraSphere Y90 Glass Microspheres 7.0 GBq (US Commercial) (Device) $9,701
- ONYX 18 (Device) $7,406
- CLINICAL TRIAL PRODUCT (Device) $4,136
- KENGREAL (Drug) $3,875
- ZOOM 88-T LARGE DISTAL PLATFORM (Device) $2,888
- Onyx (Device) $1,875
- Barricade Coil System (Device) $756.03
- Pipeline (Device) $561.96
- TREVO (Device) $496.91
- TARGET (Device) $432.43
- SURPASS EVOLVE (Device) $260.30
- SURPASS (Device) $248.25
- SOLITAIRE X (Device) $174.91
- EVOLVE (Device) $173.21
- TIGERTRIEVER 17 REVASCULARIZATION DEVICE (Device) $172.16
- WEB ANEURYSM EMBOLIZATION SYSTEM (Device) $168.91
- ZOOM RDL RADIAL ACCESS SYSTEM, 103CM (Device) $167.20
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.
Neuroradiology Doctors in Chicago
Mira Ayoub
Neuroradiology — Payments: $5,073
Neuroradiology $5,073
Michael Hurley
Neuroradiology — Payments: $4,086
Neuroradiology $4,086
Benjamin Liu, M.d, M.D
Neuroradiology — Payments: $3,255
Neuroradiology $3,255
Dr. Prashant Chawla, M.d, M.D
Neuroradiology — Payments: $3,111
Neuroradiology $3,111
Dr. Mehmet Kocak, Md, MD
Neuroradiology — Payments: $2,625
Neuroradiology $2,625
Tarek Hijaz, Md, MD
Neuroradiology — Payments: $1,500
Neuroradiology $1,500