Physician Profile
Ho-Hin Choy, M.D. is a healthcare provider in Fairfield, CA specializing in cardiovascular disease. Ho-Hin is also listed as specializing in interventional cardiology. According to Medicare claims data, Ho-Hin cared for 1,011 Medicare patients across 2,178 services. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and ultrasound of heart with color-depicted blood flow, rate, direction and valve function.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2458 HILBORN RD
Fairfield, CA 94534
Within Cardiovascular Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
2,178 services · 1,011 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct scan of blood vessels and grafts of heart with contrast | Imaging | 75574 |
12 | Less often than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
207 | As often as other peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
135 | As often as other peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
86 | As often as other peers in Cardiovascular Disease |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Treatment | 93458 |
47 | More often than most peers in Cardiovascular Disease |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
25 | Less often than most peers in Cardiovascular Disease |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
17 | Less often than most peers in Cardiovascular Disease |
| Heart rhythm recording of continous external ekg over 8-15 days | Treatment | 93246 |
17 | Less often than most peers in Cardiovascular Disease |
| Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel | Treatment | 92978 |
15 | Less often than most peers in Cardiovascular Disease |
| Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch | Treatment | 92928 |
15 | Less often than most peers in Cardiovascular Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Ho-Hin Choy is a cardiologist in Fairfield, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
Ho-Hin Choy is listed at 2458 Hilborn Rd, Fairfield, CA 94534. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (707) 646-4400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Ho-Hin Choy's National Provider Identifier is 1083008262. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Ho-Hin Choy attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
Ho-Hin Choy has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Ho-Hin Choy performs imaging including ct scan of blood vessels and grafts of heart with contrast; provides treatments such as ultrasound of heart with color-depicted blood flow, rate, direction and valve function and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Ho-Hin Choy. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.