Carpal Tunnel

Cold Sores

Diverticulitis

Fibromyalgia

Hemorrhoids

Hypothyroidism

Impetigo

Kidney Stones

Pancreatitis

Preeclampsia

Sepsis

Tonsillitis

Ulcerative Colitis

Urinary Tract Infection

Vitiligo

Conditions

CVS Health (formerly Aetna)

Florida Blue / Guidewell

Elevance Health (formerly Anthem)

Blue Cross Blue Shield (BCBS)

Cigna

Aflac

Allstate

Centene (Fidelis Care)

HealthFirst

Humana Health

Kaiser Permanente

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UnitedHealthcare

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Los Angeles, CA

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Atlanta, GA

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Baltimore, MD

Boston, MA

New York, NY

Brooklyn, NY

Houston, TX

Dallas, TX

Philadelphia, PA

Saint Louis, MO

Locations

Annual Physical

Annual Skin Screening

Colonoscopy

Couples Therapy

Dermatology Consultation

Hypnosis

Knee Replacement Surgery

Laser Hair Removal

Lasik Surgery

Liposuction

Marriage Counseling

Nexplanon Insertion

Plastic Surgery

Psychotherapy

Tattoo Removal

Procedures

Addiction Medicine Specialist

Cardiologist

Dermatology is the branch of medicine dealing with the skin. It is a speciality with both medical and surgical aspects. A dermatologist is a specialist medical doctor who manages diseases related to skin, hair, nails, and some cosmetic problems.

Dermatologist

Endocrinologist (Diabetes & Hormones Specialist)

Endocrinologist

Gastroenterologist (Stomach & Bowel Specialist)

Gastroenterologist

General Practitioner

An obstetrician-gynecologist, or OB-GYN, is a healthcare professional that specializes in female reproductive health.

OB/GYN

Ophthalmologist

Optometrist

Orthopedic Surgeon

Otolaryngologist

Pediatrician

Podiatrist

Psychiatrist / Neurologist

Urologist

Specialists

University of Pittsburgh Sch of Med, Pittsburgh Pa

University of Pittsburgh School of Medicine

Mercy General Hospital

Mercy San Juan Medical Center

Sierra Nevada Memorial Hospital

Dr. Marquardt is awesome!  He cares and listens!!!

Dr. Marquardt is awesome

Dr. Walt Marquardt, MD is a board certified Interventional Cardiologist in Grass Valley, CA.
  Learn more about Dr. Marquardt, practice locations, insurances accepted, and read reviews on Everyday Health-CARE.

Dr. Walt Marquardt, MD | Interventional Cardiologist in Grass Valley, CA

Dr. Walt Marquardt, MD

acceptsNewPatients

Absent Pulmonary Valve Repair

Anomalous Coronary Artery Angiography

Anticoagulation Management

Aortic Stenosis Repair

Aortic Valve Repair / Replacement

Aortopulmonary Window Repair

Arterial Doppler

Balloon Septostomy

Bicuspid Aortic Valve Repair

Bypass Surgery Consultation - CABG

Bypass Surgery Follow Up - CABG

Cardiac Biopsy

Cardiac Catheterization Second Opinion

Cardiac Cath Pre-Procedure

Cardiac MRI

Cardiac PET Scan

Cardiac Pre-Surgery Clearance

Cardiac Rehabilitation

Cardiac Testing

Cardiology Consultation

Cardiology Emergency

Cardiology Follow Up

Cardiology Second Opinion

Cardiothoracic Surgery Consultation

Cardiovascular Screening Visit

Cardiovascular Surgery Consultation

Carotid Doppler

Cavitation

Chest Wall Surgery Consultation

Chest Wall Surgery Follow Up

Cholesterol / Lipids Checkup

Congenital Cardiac Surgery Consultation

Congenital Cardiac Surgery Follow Up

Congenital Heart Defect Correction

Congenital Heart Disease Screening Visit

Coronary Angiography

Coronary Artery Bypass Grafting (CABG) Surgery

Diaphragm Surgery Consultation

Diaphragm Surgery Follow Up

ECG / EKG

Echocardiogram

Esophageal Surgery Consultation

Esophagectomy

Exercise Stress Test

Fetal Heart Monitoring

Heart Failure / Transplant Consultation

Heart Failure / Transplant Follow Up

Heart Health Consultation

Heart Malformation Surgery Consultation

Heart Malformation Surgery Follow Up

Heart Strengthening / Recovery

Heart Transplant

Heart Transplant Consultation

Heart Transplant Follow Up

Heart Valve Surgery Consultation

Heart Valve Surgery Follow Up

Holter Monitor

Implantable Cardiac Monitor (ICM)

Left Atrian Appendage Closure

Lung Surgery Follow Up

Marfan Syndrome Repair

Mechanical Circulatory Support

Mediastinoscopy

Minimally Invasive Bypass Consultation - OPCAB

Minimally Invasive Bypass Follow Up - OPCAB

Mitral Regurgitation Evaluation

Mitral Valve Repair / Replacement

Nissen Fundoplication

Nuclear Stress Test

Pediatric Heart Transplant Consultation

Pediatric Heart Transplant Follow Up

Pericardiocentesis

Port-A-Cath Insertion and Removal

PTCA Follow Up

Right Heart Catheterization

Robotic Thoracic Surgery

Stent Consultation

Stent Follow Up

Thoracic Anesthesia

Thoracic Surgery

Thoracoscopic Sympathectomy

Transcatheter Aortic Valve Replacement (TAVR)

Transesophageal Echocardiography

Treadmill Stress Test

Tricuspid Atresia Repair

Tricuspid Valve Repair / Replacement

Ventricle Repair

Ventricular Septal Defect Repair

Dr. Walt Marquardt, MD is an Interventional Cardiologist, who primarily practices in Grass Valley, CA with 1 additional practice location. He is board certified by the American Board of Internal Medicine. Dr. Marquardt graduated from University of Pittsburgh School of Medicine and completed his residency at Seton Med Ctr, Cardiovascular Diseases; Univ Hlth Ctr Of Pittsburgh, Cardiovascular Diseases; Univ Of Pittsburgh Med Ctr, Internal Medicine.
  
Dr. Marquardt is fluent in English and Spanish,  and is currently seeing new patients. Dr. Marquardt’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Marquardt’s office at (530) 477-8358.

National Provider Identifier (NPI)

English

Spanish

Interventional Cardiologist

Nuclear Cardiologist

Humana Health 

Washington DC, DC

An orthopedic surgeon has specialization in preserving, investigating, and restoring the form and function of the extremities, spine, and related structures through medical, surgical, and physical methods. They care for patients with musculoskeletal issues, including congenital deformities, trauma, infections, tumors, metabolic disturbances, and degenerative diseases affecting the spine, hands, feet, knees, hips, shoulders, and elbows in both children and adults. Additionally, orthopedic surgeons address primary and secondary muscular problems and the impact of central or peripheral nervous system lesions on the musculoskeletal system.

An obstetrician/gynecologist has specialized knowledge, skills, and expertise in the medical and surgical management of the female reproductive system and related disorders. This physician acts as a consultant to other healthcare providers while also serving as a primary care physician for women, addressing their unique health needs throughout various stages of life.

Obstetrician / Gynecologist (OBGYN)

A pediatrician focuses on the physical, emotional, and social health of children from birth through young adulthood. Their care includes a wide range of health services, from preventive healthcare to diagnosing and treating acute and chronic diseases. Pediatricians consider the biological, social, and environmental influences on a child's development, as well as how diseases and dysfunctions can impact growth and overall development.


Dermatologists are medical professionals trained to diagnose and treat a wide range of skin conditions in both children and adults, including skin cancers, melanomas, and other tumors. They also manage disorders of the mouth, external genitalia, hair, and nails, and are skilled in treating conditions like dermatitis, allergic reactions, and skin manifestations of systemic diseases. Dermatologists receive specialized training in dermatopathology and dermatologic surgical techniques, and address cosmetic issues such as hair loss and scarring. Additionally, they use laboratory methods to diagnose immune-related skin disorders, often collaborating with immunohematologists for expert consultation and targeted therapies.

An internist specializing in disorders of the endocrine glands, including the thyroid and adrenal glands. This specialist also manages a range of conditions such as diabetes, metabolic and nutritional disorders, obesity, pituitary disorders, and menstrual and sexual health issues.

An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs.

Dr. Walt Marquardt, MD

Interventional Cardiologist

Cardiologist

Nuclear Cardiologist

Ratings & Reviews

Connect with DR. Marquardt

150 Catherine Ln Ste D

Doctors by Category

Specialists

Addiction Medicine Specialist

Cardiologist

Dermatologist

Endocrinologist

Gastroenterologist

General Practitioner

OB/GYN

Ophthalmologist

Optometrist

Orthopedic Surgeon

Otolaryngologist

Pediatrician

Podiatrist

Psychiatrist / Neurologist

Urologist

Conditions

Carpal Tunnel

Cold Sores

Diverticulitis

Fibromyalgia

Hemorrhoids

Hypothyroidism

Impetigo

Kidney Stones

Pancreatitis

Preeclampsia

Sepsis

Tonsillitis

Ulcerative Colitis

Urinary Tract Infection

Vitiligo

Procedures

Annual Physical

Annual Skin Screening

Colonoscopy

Couples Therapy

Dermatology Consultation

Hypnosis

Knee Replacement Surgery

Laser Hair Removal

Lasik Surgery

Liposuction

Marriage Counseling

Nexplanon Insertion

Plastic Surgery

Psychotherapy

Tattoo Removal

Locations

Los Angeles, CA

San Diego, CA

San Francisco, CA

Washington, DC

Miami, FL

Atlanta, GA

Chicago, IL

Baltimore, MD

Boston, MA

New York, NY

Brooklyn, NY

Houston, TX

Dallas, TX

Philadelphia, PA

Saint Louis, MO

Insurances

CVS Health (formerly Aetna)

Florida Blue / Guidewell

Elevance Health (formerly Anthem)

Blue Cross Blue Shield (BCBS)

Cigna

Aflac

Allstate