Guy Seiji Mayeda, M.D.
Interventional Cardiology Internal Medicine
Guy Seiji Mayeda is an Interventional Cardiology Internal Medicine specialist based in Los Angeles, CA with over 38 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: CARDIOVASCULAR DISEASE (CARDIOLOGY)
Guy Seiji Mayeda, M.D. has practiced internal medicine for 38+ years, working in group practice. Trained at University of California, Geffen School of Medicine (class of 1988), he has been practicing for over 38 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and diabetes (per CMS data).
Older · 1066dNPPES updated 2023-06-23 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
1245 Wilshire Blvd Ste 703, Los Angeles, CA 90017-4807
How Does This Doctor Compare?
Medicare Patients
505
Unique beneficiaries
High volumePrescription Recipients
331
Patients prescribed
Prescriptions Written
2,712
Total claims
Total Medicare drug cost: $378k
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Diabetes.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
A condition where the body cannot properly regulate blood sugar levels
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
Gradual loss of kidney function over time, often linked to diabetes or hypertension
Joint inflammation causing pain, swelling, and stiffness
The heart cannot pump blood efficiently enough to meet the body's needs
An irregular, often rapid heartbeat that increases the risk of stroke
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$2.2k received from industry
28 transactions reported in 2024 ·Moderate tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Guy Seiji Mayeda's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1988
David Geffen School of Medicine at Ucla
Board certified · Jun 22, 2023
Self-reported via NPPES
38 years in practice
Senior practitioner
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
Taxonomy: 207RI0011X
Education & Training
University of California, Geffen School of Medicine (Class of 1988)
Mailing address
1245 Wilshire Blvd Ste 580, Los Angeles, CA 90017-5854
Differs from practice location
Primary hospital affiliation: Critical Access Hospitals
CMS Certification Number: 201302
View hospital on Medicare Care CompareVirtual Interventional Cardiology Care With Guy Seiji Mayeda
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Guy Seiji Mayeda for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Los Angeles required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Guy Seiji Mayeda
Dr. Mayeda is listed as active in the NPI registry with telehealth listed in Los Angeles, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (213) 977-7422.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Guy Seiji Mayeda
Practice Location
1245 Wilshire Blvd Ste 703, Los Angeles, CA 90017-4807
Mailing Address
1245 Wilshire Blvd Ste 580, Los Angeles, CA 90017-5854
This is a provider directory. Contact the office directly to schedule appointments.
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