Physician Profile
Based in Berkeley, CA, Robert E. Gwynn, MD is listed in the NPI registry under interventional cardiology. Robert graduated from Js Weill Medical College, Cornell University in 1965. Medicare claims data shows Robert provided 3,924 services to 2,630 patients. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, routine electrocardiogram (ecg) using at least 12 leads with tracing, 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.
132 SOUTHAMPTON AVE
Berkeley, CA 94707
Within Interventional Cardiology 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
Artery blockages
Blood clots
Blood pressure
Chest symptoms
Circulation & veins
Coronary disease
Heart failure
Heart muscle
Heart muscle conditions
Heart rhythm
Heart rhythm & blood flow
Heart valves
Structural & congenital
Structural heart
Valve disease
Vascular disease
Vein conditions
Most searched procedures
Artery procedures
Blood pressure procedures
Circulation & limbs
Circulatory support
Clot procedures
Coronary stenting
Diagnostic catheterization
Diagnostic tests
Diagnostics & monitoring
Emergency heart procedures
Heart devices
Heart muscle
Heart support
Imaging & diagnostics
Stenting
Structural heart repair
Structural repair
Valve procedures
Valve replacement
Vein procedures
3,924 services · 2,630 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
3,505 | More than most peers in Interventional Cardiology |
| Routine electrocardiogram (ecg) using at least 12 leads with tracing | Treatment | 93005 |
145 | More often than most peers in Interventional Cardiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
136 | Less often than most peers in Interventional Cardiology |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | Treatment | 93248 |
81 | More often than most peers in Interventional Cardiology |
| Electrocardiogram (ecg) 2-day continuous with review by health care professional | Treatment | 93227 |
25 | As often as other peers in Interventional Cardiology |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
17 | Less often than most peers in Interventional Cardiology |
| Ultrasound of heart during rest, exercise and/or drug-induced stress with report | Treatment | 93350 |
15 | Less often than most peers in Interventional Cardiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Gwynn is an interventional cardiologist in Berkeley, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Cardiology”.
NPI registry
Dr. Gwynn is listed at 132 Southampton Ave, Berkeley, CA 94707. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (510) 524-2848. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Gwynn's National Provider Identifier is 1942236401. 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
Dr. Gwynn attended Js Weill Medical College, Cornell University, graduating in 1965. This comes from the CMS National Downloadable File.
CMS public data
Dr. Gwynn has 61 years experience. Calculated from a graduation year of 1965, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Gwynn provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and routine electrocardiogram using at least 12 leads with tracing. 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 Dr. Gwynn. 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.