Doctor profile · Federal record
Dr. James Garrison, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · San Antonio, TX
- NPI 1003843830
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4330 Medical Dr, Suite 325
San Antonio, TX 782293342
(210) 615-7700
fax (210) 615-1782
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- November 16, 2020
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 208G00000X — NUCC code
- State license (1)
- Texas #H9942
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003843830. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
436
Distinct HCPCS
10
Medicare allowed
$158,735
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
33361 |
Replacement of aortic valve through the skin and femoral artery | 56 | 56 | $709 | |
76998 |
Ultrasonic guidance during surgery | 47 | 47 | $58 | |
33533 |
Coronary artery bypass using artery graft, 1 graft | 45 | 45 | $1,634 | |
33508 |
Harvest of vein using an endoscope | 42 | 42 | $15 | |
93314 |
Interpretation and report of ultrasound of heart | 40 | 40 | $87 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 39 | 39 | $130 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 30 | 30 | $167 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 29 | 29 | $211 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 27 | 27 | $127 | |
33268 |
Exclusion of appendage of left upper chamber of heart performed during other procedure on chest | 26 | 26 | $119 |
In context: peer comparison
Among 12 peers in San Antonio Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 27. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$4,757
Transactions
87
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, INC. | 51 | $2,565.52 | |
| Abbott Laboratories | 16 | $1,253.61 | |
| Abiomed | 6 | $335.37 | |
| Edwards Lifesciences Corporation | 1 | $150.00 | |
| Medical Device Business Services, INC. | 1 | $124.99 | |
| Atricure, INC. | 5 | $116.85 | |
| Getinge USA Sales, LLC | 1 | $86.78 | |
| Davol INC. | 3 | $47.74 | |
| Ethicon US, LLC | 1 | $29.02 | |
| Intuitive Surgical, INC. | 1 | $24.05 | |
| Dilon Technologies, INC. | 1 | $22.68 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. James Garrison's medical specialty?
Dr. James Garrison practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in San Antonio, TX.
Where does Dr. James Garrison practice?
Dr. James Garrison practices at 4330 Medical Dr, San Antonio, TX 782293342. Office phone: 2106157700.
What is Dr. James Garrison's NPI?
Dr. James Garrison's National Provider Identifier (NPI) is 1003843830, issued by NPPES.
Does Dr. James Garrison accept Medicare assignment?
Yes. Dr. James Garrison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Garrison commonly perform?
Top Medicare-reported procedures in 2023: Replacement of aortic valve through the skin and femoral artery (HCPCS 33361); Ultrasonic guidance during surgery (HCPCS 76998); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533). Source: CMS Medicare Physician & Other Practitioners file.