Robert Gwynn, MD
NPI 1942236401 · Interventional Cardiology Physician · Berkeley, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Gwynn, MD is a Interventional Cardiology Physician provider in Berkeley, CA (NPI 1942236401).
Provider details
- NPI number
- 1942236401
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G16492 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,924 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 3,505 | $9 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 145 | $9 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 136 | $77 |
| Heart Rhythm Review and Interpretation of Continous External Ekg Over 8-15 Days93248 | 81 | $29 |
| Electrocardiogram (ecg) 2-Day Continuous With Review By Health Care Professional93227 | 25 | $21 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 69 | 25 |
| Carvedilol | 61 | 20 |
| Sacubitril/Valsartanbrand: Entresto | 54 | 12 |
| Metoprolol Succinate | 54 | 21 |
| Furosemide | 28 | 12 |
| Spironolactone | 28 | — |
| Rivaroxabanbrand: Xarelto | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$157 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-24
- Last updated
- 2013-09-17
Frequently asked questions
- What is Robert Gwynn's NPI number?
- Robert Gwynn's National Provider Identifier (NPI) is 1942236401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Gwynn's specialty?
- Robert Gwynn is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Gwynn located?
- Robert Gwynn's practice location on file with NPPES is 132 Southampton Ave, Berkeley, CA 94707-2037.
- What is Robert Gwynn's phone number?
- The practice phone number listed in the NPPES registry for Robert Gwynn is (510) 524-2848.
- Does Robert Gwynn accept Medicare?
- Robert Gwynn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Gwynn's NPI active?
- Yes — Robert Gwynn's NPI (1942236401) is active in the NPPES registry as of the last update on 2013-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.