Total Payments
$7.4M
2024 Payments
$1.2M
Companies
30
Transactions
1,502
Medicare Patients
2,531
Medicare Billing
$1.7M
Payment Breakdown by Category
Royalty/License$5.8M (78.5%)
Consulting$700,645 (9.5%)
Other$570,985 (7.7%)
Travel$272,163 (3.7%)
Food & Beverage$37,394 (0.5%)
Research$14,500 (0.2%)
Gifts$44.42 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Royalty or License | $5.8M | 95 | 78.5% |
| Consulting Fee | $700,645 | 189 | 9.5% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $486,350 | 62 | 6.6% |
| Travel and Lodging | $272,163 | 525 | 3.7% |
| Acquisitions | $68,638 | 3 | 0.9% |
| Food and Beverage | $37,394 | 614 | 0.5% |
| Unspecified | $14,500 | 7 | 0.2% |
| Honoraria | $11,688 | 3 | 0.2% |
| Compensation for serving as faculty or as a speaker for an accredited or certified continuing education program | $3,000 | 1 | 0.0% |
| Compensation for serving as faculty or as a speaker for a medical education program | $1,310 | 2 | 0.0% |
| Gift | $44.42 | 1 | 0.0% |
Payments by Type
General
$7.4M
1,495 transactions
Research
$14,500
2 transactions
Ownership
$0
5 transactions
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| DePuy Synthes Products, Inc. | $2.2M | 96 | $0 (2024) |
| Medtronic, Inc. | $2.0M | 752 | $0 (2024) |
| Medtronic USA, Inc. | $1.1M | 53 | $0 (2020) |
| Hyhte Holdings Inc. | $890,204 | 7 | $0 (2024) |
| Stryker Corporation | $573,976 | 109 | $0 (2024) |
| Medical Device Business Services, Inc. | $196,795 | 72 | $0 (2024) |
| Medicrea USA, Corp. | $104,531 | 51 | $0 (2020) |
| Carlsmed, Inc. | $90,817 | 71 | $0 (2024) |
| NuVasive, Inc. | $72,582 | 53 | $0 (2023) |
| Alphatec Spine, Inc | $55,229 | 39 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1.2M | 429 | Medtronic, Inc. ($690,206) |
| 2023 | $1.0M | 283 | Medtronic, Inc. ($614,770) |
| 2022 | $811,074 | 209 | Medtronic, Inc. ($350,201) |
| 2021 | $786,438 | 160 | Medtronic, Inc. ($306,689) |
| 2020 | $1.6M | 71 | Medtronic USA, Inc. ($1.0M) |
| 2019 | $781,698 | 144 | DePuy Synthes Products, Inc. ($317,590) |
| 2018 | $661,599 | 112 | DePuy Synthes Products LLC ($348,244) |
| 2017 | $612,002 | 94 | DePuy Synthes Products LLC ($369,050) |
All Payment Transactions
1,502 individual payment records from CMS Open Payments — Page 1 of 61
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/30/2024 | Alphatec Spine, Inc | SafeOp (Device) | Food and Beverage | In-kind items and services | $333.85 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/19/2024 | Alphatec Spine, Inc | Invictus OPEN (Device) | Food and Beverage | In-kind items and services | $135.71 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/19/2024 | Carlsmed, Inc. | aprevo (Device) | Food and Beverage | Cash or cash equivalent | $52.61 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/19/2024 | Alphatec Spine, Inc | Invictus OPEN (Device) | Food and Beverage | In-kind items and services | $22.97 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/18/2024 | Alphatec Spine, Inc | Other - Miscellaneous (Device) | Travel and Lodging | In-kind items and services | $480.24 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/17/2024 | Medtronic, Inc. | — | Royalty or License | Cash or cash equivalent | $125,000.00 | General |
| 12/17/2024 | Alphatec Spine, Inc | Other - Miscellaneous (Device) | Travel and Lodging | In-kind items and services | $822.69 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/11/2024 | Medtronic, Inc. | UNID_PASS (Device) | Travel and Lodging | In-kind items and services | $198.84 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/10/2024 | Medtronic, Inc. | UNID_PASS (Device) | Travel and Lodging | In-kind items and services | $168.23 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/10/2024 | Medtronic, Inc. | UNID_PASS (Device) | Travel and Lodging | In-kind items and services | $149.00 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/10/2024 | Medtronic, Inc. | UNID_PASS (Device) | Food and Beverage | In-kind items and services | $16.15 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/07/2024 | Medtronic, Inc. | UNID_PASS (Device) | Travel and Lodging | In-kind items and services | $212.33 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/07/2024 | Medtronic, Inc. | UNID_PASS (Device) | Travel and Lodging | In-kind items and services | $155.41 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/06/2024 | Medtronic, Inc. | UNID_PASS (Device) | Travel and Lodging | In-kind items and services | $207.98 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/06/2024 | Medtronic, Inc. | UNID_PASS (Device) | Travel and Lodging | In-kind items and services | $25.05 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/06/2024 | Medtronic, Inc. | UNID_PASS (Device) | Travel and Lodging | In-kind items and services | $24.00 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/06/2024 | Medtronic, Inc. | UNID_PASS (Device) | Food and Beverage | In-kind items and services | $18.64 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/06/2024 | Medtronic, Inc. | UNID_PASS (Device) | Food and Beverage | In-kind items and services | $8.59 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/05/2024 | Medtronic, Inc. | UNID_PASS (Device) | Travel and Lodging | In-kind items and services | $192.67 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/05/2024 | Medtronic, Inc. | UNID_PASS (Device) | Food and Beverage | In-kind items and services | $167.00 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 12/02/2024 | Medtronic, Inc. | UNID_PASS (Device) | Food and Beverage | In-kind items and services | $55.16 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 11/28/2024 | icotec Medical Inc. | icotec BlackArmor Spine System (Device) | Travel and Lodging | Cash or cash equivalent | $222.21 | General |
| Category: Spine stabilization for spine patients | ||||||
| 11/28/2024 | Carlsmed, Inc. | aprevo (Device) | Food and Beverage | Cash or cash equivalent | $49.64 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 11/27/2024 | Alphatec Spine, Inc | Other - Miscellaneous (Device) | Consulting Fee | Cash or cash equivalent | $2,800.00 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
| 11/23/2024 | Medtronic, Inc. | UNID_PASS (Device) | Travel and Lodging | In-kind items and services | $10,050.32 | General |
| Category: Orthopedics/Orthopedic Surgery | ||||||
Research Studies & Clinical Trials
| Study Name | Company | Amount | Records |
|---|---|---|---|
| CALIBER | Globus Medical, Inc. | $14,500 | 2 |
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 17 | 708 | 1,459 | $3.8M | $422,614 |
| 2022 | 21 | 815 | 1,763 | $4.7M | $519,436 |
| 2021 | 20 | 533 | 1,340 | $3.7M | $411,470 |
| 2020 | 18 | 475 | 1,004 | $2.8M | $334,783 |
Total Patients
2,531
Total Services
5,566
Medicare Billing
$1.7M
Procedure Codes
76
All Medicare Procedures & Services
76 procedure records from CMS Medicare Utilization — Page 1 of 4
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 22614 | Fusion of additional segment of spine | Facility | 2023 | 97 | 838 | $1.7M | $186,348 | 11.0% |
| 22612 | Fusion of spine in lower back | Facility | 2023 | 53 | 54 | $456,300 | $40,957 | 9.0% |
| 22843 | Placement of stabilizing device to back, 7-12 spine bone segments | Facility | 2023 | 48 | 48 | $200,120 | $27,886 | 13.9% |
| 22207 | Incision or removal of lower spine bone segment to correct deformity | Facility | 2023 | 20 | 20 | $240,480 | $27,116 | 11.3% |
| 22633 | Fusion of spine in lower back with partial removal of spine bone and disc | Facility | 2023 | 23 | 23 | $224,342 | $26,559 | 11.8% |
| 22844 | Placement of stabilizing device to back, 13 or more spine bone segments | Facility | 2023 | 32 | 33 | $169,881 | $21,371 | 12.6% |
| 22206 | Incision or removal of segment of middle spine bone to correct deformity | Facility | 2023 | 14 | 14 | $179,830 | $18,056 | 10.0% |
| 22848 | Insertion of instrumentation to pelvic bones | Facility | 2023 | 64 | 65 | $121,872 | $16,297 | 13.4% |
| 22842 | Placement of stabilizing device to back, 3-6 spine bone segments | Facility | 2023 | 15 | 15 | $59,100 | $9,664 | 16.4% |
| 22600 | Fusion of spine in neck by posterior approach | Facility | 2023 | 18 | 18 | $124,758 | $9,553 | 7.7% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Facility | 2023 | 87 | 87 | $75,429 | $9,198 | 12.2% |
| 22853 | Insertion of cage or mesh device to spine bone and disc space during spine fusion | Facility | 2023 | 31 | 34 | $44,901 | $7,227 | 16.1% |
| 63047 | Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | Facility | 2023 | 13 | 13 | $76,869 | $6,206 | 8.1% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Facility | 2023 | 63 | 63 | $36,351 | $5,344 | 14.7% |
| 61783 | Computer-assisted spinal procedure | Facility | 2023 | 21 | 21 | $25,536 | $4,057 | 15.9% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Facility | 2023 | 65 | 69 | $27,117 | $3,773 | 13.9% |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | Facility | 2023 | 44 | 44 | $25,300 | $3,001 | 11.9% |
| 22614 | Fusion of additional segment of spine | Facility | 2022 | 115 | 1,029 | $2.1M | $226,750 | 10.9% |
| 22612 | Fusion of spine in lower back | Facility | 2022 | 58 | 59 | $498,550 | $45,975 | 9.2% |
| 22633 | Fusion of spine in lower back with partial removal of spine bone and disc | Facility | 2022 | 34 | 34 | $331,636 | $38,052 | 11.5% |
| 22844 | Placement of stabilizing device to back, 13 or more spine bone segments | Facility | 2022 | 47 | 47 | $241,995 | $30,860 | 12.8% |
| 22843 | Placement of stabilizing device to back, 7-12 spine bone segments | Facility | 2022 | 52 | 53 | $220,880 | $28,756 | 13.0% |
| 22848 | Insertion of instrumentation to pelvic bones | Facility | 2022 | 74 | 74 | $138,858 | $19,674 | 14.2% |
| 22207 | Incision or removal of lower spine bone segment to correct deformity | Facility | 2022 | 15 | 15 | $180,360 | $19,578 | 10.9% |
| 22206 | Incision or removal of segment of middle spine bone to correct deformity | Facility | 2022 | 14 | 14 | $179,830 | $17,217 | 9.6% |
About Dr. Christopher Ames, MD
Dr. Christopher Ames, MD is a Neurological Surgery healthcare provider based in San Francisco, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 05/19/2006. The National Provider Identifier (NPI) number assigned to this provider is 1265485155.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Christopher Ames, MD has received a total of $7.4M in payments from pharmaceutical and medical device companies, with $1.2M received in 2024. These payments were reported across 1,502 transactions from 30 companies. The most common payment nature is "Royalty or License" ($5.8M).
As a Medicare-enrolled provider, Ames has provided services to 2,531 Medicare beneficiaries, totaling 5,566 services with total Medicare billing of $1.7M. Data is available for 4 years (2020–2023), covering 76 distinct procedure/service records.
Ad
Practice Information
- Specialty Neurological Surgery
- Location San Francisco, CA
- Active Since 05/19/2006
- Last Updated 07/09/2007
- Taxonomy Code 207T00000X
- Entity Type Individual
- NPI Number 1265485155
Products in Payments
- EXPEDIUM (Device) $2.0M
- PASS LP (Device) $1.0M
- Bridalveil OCT (Device) $615,692
- AVIATOR (Device) $490,621
- UNID_PASS (Device) $344,050
- UNiD (Device) $261,388
- CD HORIZON (Device) $124,123
- SYMPHONY (Device) $112,255
- PASS-LP (Device) $92,820
- aprevo (Device) $90,817
- AttraX (Device) $89,766
- CD HORIZON SPINAL SYSTEM (Device) $78,371
- Other - Miscellaneous (Device) $52,474
- General K2M Product Discussion (Device) $36,285
- SYNAPSE (Device) $35,926
- STEALTHSTATION S8 PLATFORM (Device) $34,919
- BRAINLAB (Device) $28,202
- STEALTH AUTOGUIDE SYSTEM (Device) $25,955
- EVEREST SPINAL SYSTEM (Device) $25,459
- O-ARM (Device) $19,032
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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