Doctor profile · Federal record

Dr. Robert Gwynn, MD

Interventional Cardiology Physician (CMS: Cardiovascular Disease (Cardiology)) · Berkeley, CA

  • NPI 1942236401
  • Accepts Medicare
  • MIPS 83.9 / 100 · 2023
  • 61 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
132 Southampton Ave
Berkeley, CA 947072037
(510) 524-2848
fax (510) 524-9358

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
September 17, 2013
Year of graduation
1965 — 61 yrs since
Specialty taxonomy
207RI0011X — NUCC code
State license (1)
California #G16492
Medicaid
CA #GR0030860

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942236401. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,801
Distinct HCPCS
7
Medicare allowed
$45,268
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 3,485 2,283 $9
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 128 127 $78
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 120 116 $9
93248 Heart rhythm review and interpretation of continous external ekg over 8-15 days 26 26 $29
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 16 16 $16
93350 Ultrasound of heart during rest, exercise and/or drug-induced stress with report 13 13 $78
93356 Heart muscle strain imaging 13 13 $13

In context: peer comparison

Among 1 peers in Berkeley Interventional Cardiology Physician, average services per provider: 543. This provider delivers 7.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$157
Transactions
6
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 4 $102.35
Lantheus Medical Imaging, INC. 2 $55.02

By nature of payment

Food and Beverage
$157

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
428
Patients
94
Total drug cost
$119,037
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 69 24 $2,285
Carvedilol Generic 56 17 $1,217
Spironolactone Generic 45 13 $516
Lisinopril Generic 34 14 $486
Metoprolol Succinate Generic 33 13 $1,339
Amlodipine Besylate Generic 28 13 $581
Enalapril Maleate Generic 24 0 $1,088
Jardiance (Empagliflozin) Brand 22 0 $25,004
Eliquis (Apixaban) Brand 19 0 $28,769
Pantoprazole Sodium Generic 19 0 $239

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Gwynn's medical specialty?
Dr. Robert Gwynn practices Interventional Cardiology Physician in Berkeley, CA.
Where does Dr. Robert Gwynn practice?
Dr. Robert Gwynn practices at 132 Southampton Ave, Berkeley, CA 947072037. Office phone: 5105242848.
What is Dr. Robert Gwynn's NPI?
Dr. Robert Gwynn's National Provider Identifier (NPI) is 1942236401, issued by NPPES.
Does Dr. Robert Gwynn accept Medicare assignment?
Yes. Dr. Robert Gwynn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Gwynn commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Routine electrocardiogram (ecg) using at least 12 leads with tracing (HCPCS 93005). Source: CMS Medicare Physician & Other Practitioners file.