Dr. Garrett Andersen, M.D.
What this data tells you about Dr. Andersen
Dr. Garrett Andersen is a body imaging physician in San Antonio, TX, with 20 years of NPI registration. Based on federal Medicare data, Dr. Andersen performed 122,593 Medicare services across 5,232 unique beneficiaries.
Between the years covered by Open Payments, Dr. Andersen received a total of $302 from 3 pharmaceutical and/or device companies across 5 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in body imaging physician. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Andersen is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Contrast dye for imaging (iodine-based) | 75,955 | $0 | $0 |
| MRI contrast dye injection (gadoterate) | 41,800 | $0 | $0 |
| CT scan of chest, without contrast | 880 | $95 | $836 |
| CT scan of abdomen and pelvis with contrast | 395 | $223 | $1,084 |
| Ct scan of chest with contrast | 299 | $96 | $992 |
| Ct scan of abdomen and pelvis without contrast | 290 | $133 | $850 |
| Mri scan of abdomen before and after contrast | 233 | $263 | $2,294 |
| Gallium ga-68, dotatate, diagnostic, 0.1 millicurie | 224 | $147 | $435 |
| Chest X-ray, 2 views | 223 | $22 | $104 |
| Nuclear medicine study from skull base to mid-thigh with ct scan | 223 | $1,191 | $3,870 |
| Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries | 210 | $91 | $495 |
| Ct scan of abdomen and pelvis before and after contrast | 160 | $262 | $1,374 |
| Low dose ct scan of chest for lung cancer screening | 147 | $136 | $473 |
| Piflufolastat f-18, diagnostic, 1 millicurie | 92 | $504 | $1,189 |
| Complete ultrasound scan of abdomen | 91 | $82 | $377 |
| Ultrasound scan of head and neck soft tissue | 82 | $75 | $302 |
| Mri and low frequency vibrations for measuring tissue stiffness | 77 | $110 | $719 |
| Technetium tc-99m sulfur colloid, diagnostic, per study dose, up to 20 millicuries | 59 | $62 | $114 |
| X-ray of abdomen, 1 view | 58 | $23 | $86 |
| Nuclear medicine study of stomach to assess emptying | 58 | $227 | $747 |
| X-ray of lower and sacral spine, 2-3 views | 54 | $26 | $109 |
| Ct scan of abdomen before and after contrast | 51 | $179 | $1,359 |
| Mri scan of abdomen without contrast | 50 | $136 | $1,488 |
| Limited ultrasound scan behind abdominal cavity | 49 | $42 | $308 |
| X-ray of knee, 1-2 views | 45 | $23 | $84 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 45 | $86 | $466 |
| Shoulder X-ray, 2+ views | 41 | $23 | $92 |
| Fluoroscopic guidance for needle placement | 41 | $86 | $232 |
| Joint injection, major joint | 32 | $50 | $230 |
| Mri scan of pelvis before and after contrast | 32 | $198 | $2,218 |
| Limited ultrasound scan of abdomen | 31 | $51 | $286 |
| X-ray of hand, minimum of 3 views | 30 | $25 | $86 |
| Ct scan of chest before and after contrast | 29 | $112 | $1,230 |
| Ct scan of abdomen without contrast | 28 | $83 | $828 |
| Technetium tc-99m sestamibi, diagnostic, per study dose | 27 | $23 | $194 |
| Hip X-ray, 2-3 views | 26 | $29 | $125 |
| Ct scan of abdomen with contrast | 25 | $161 | $1,082 |
| Fine needle aspiration biopsy using ultrasound guidance, first growth | 23 | $101 | $388 |
| X-ray of lower and sacral spine, minimum of 4 views | 23 | $33 | $151 |
| Knee X-ray, 3 views | 23 | $28 | $93 |
| Foot X-ray, 3+ views | 23 | $22 | $86 |
| X-ray of middle spine, 2 views | 22 | $24 | $107 |
| CT guidance for radiation therapy | 22 | $56 | $467 |
| Nuclear medicine study of parathyroid with spect | 22 | $236 | $1,153 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 20 | $138 | $704 |
| Technetium tc-99m mebrofenin, diagnostic, per study dose, up to 15 millicuries | 20 | $28 | $81 |
| Complete ultrasound scan of pelvis | 19 | $74 | $333 |
| Injection, sincalide, 5 micrograms | 18 | $94 | $133 |
| Nuclear medicine study of liver and bile duct system with use of drugs | 17 | $306 | $1,427 |
| Ct scan of blood vessels of chest with contrast | 16 | $195 | $1,367 |
| 3d radiographic procedure | 15 | $7 | $38 |
| Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 15 | $86 | $331 |
| Limited ultrasound scan of joint or other extremity structure except blood vessels | 15 | $33 | $175 |
| Ct scan of soft tissue of neck with contrast | 13 | $147 | $953 |
| X-ray of ribs on side of body, 2 views | 13 | $26 | $99 |
| X-ray of ankle, minimum of 3 views | 13 | $25 | $86 |
| Nuclear medicine study whole body with ct scan | 13 | $1,206 | $3,870 |
| Complete ultrasound scan behind abdominal cavity | 12 | $84 | $361 |
| Nuclear medicine study of kidney, blood, flow, and function with drug administration | 12 | $133 | $672 |
| Technetium tc-99m mertiatide, diagnostic, per study dose, up to 15 millicuries | 12 | $203 | $293 |
Industry Payment Transparency
Open Payments through 2022 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2022)
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2022 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Andersen is a mixed practice specialist, with above-average Medicare volume (top 1% in TX), with low-engagement industry engagement, with 20 years of NPI registration.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Andersen experienced with contrast dye for imaging (iodine-based)?
Does Dr. Andersen receive payments from pharmaceutical companies?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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