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Edit this profileAt a glance
- 728 Pacific Ave, Suite 507, San Francisco, CA 94133
About Dr. Chung
William S. Chung, M.D. practices cardiovascular disease in San Francisco, CA. William is also listed as specializing in internal medicine. According to Medicare claims data, William cared for 875 Medicare patients across 1,357 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only. The provider's National Provider Identifier (NPI) is 1831204486.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (415) 986-2239
- Email not available
Practice Locations
728 PACIFIC AVE SUITE 507
San Francisco, CA 94133
Conditions Commonly Evaluated or Treated
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.
Conditions
Specialized cardiovascular care
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
Procedures & services
Advanced imaging
- Cardiac computed tomography
- Coronary artery calcium scan
- Transesophageal echocardiogram
- Cardiac magnetic resonance imaging
- Nuclear cardiac stress imaging
Catheter-based diagnosis and treatment
Heart & circulation
Life Support
Office and noninvasive testing
- Cardiology consultation
- Exercise stress test
- Pharmacologic cardiac stress test
- Stress echocardiogram
- Transthoracic echocardiogram
- Ambulatory blood-pressure monitoring
Structural heart
Most searched procedures
Consultations
Diagnostic testing
Diagnostics
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
Procedures Most Often Billed to Medicare
1,357 services · 875 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
274 | As often as other peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
65 | Less often than most peers in Cardiovascular Disease |
| Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage | Treatment | 90656 |
61 | More than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
56 | Less often than most peers in Cardiovascular Disease |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
17 | Less often than most peers in Cardiovascular Disease |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
17 | Less often than most peers in Cardiovascular Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
422 | As often as other peers in Cardiovascular Disease |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
274 | More often than most peers in Cardiovascular Disease |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
60 | As often as other peers in Cardiovascular Disease |
| Administration of influenza virus vaccine | Billing code | G0008 |
59 | More 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.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiologists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other cardiologists in San Francisco 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1984 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does William S. Chung specialize in?
William S. Chung is a cardiologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
Where is William S. Chung located?
William S. Chung is listed at 728 Pacific Ave Suite 507, San Francisco, CA 94133. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is William S. Chung's phone number?
The number on file is (415) 986-2239. Contact the office directly to confirm availability and scheduling.
NPI registry
What is William S. Chung's NPI number?
William S. Chung's National Provider Identifier is 1831204486. 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
Where did William S. Chung train?
William S. Chung attended Other, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How long has William S. Chung been practicing?
William S. Chung has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What does William S. Chung do most often?
According to Medicare billing data, William S. Chung provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has William S. Chung confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William S. Chung. If this is you, claiming it is free.
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