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Dr. Thomas Zikos, MD

Los Angeles, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Zikos, Internist in Los Angeles, CA?

    Dr. Thomas Zikos, MD is an Internist, who primarily practices in Los Angeles, CA with 2 additional practice locations. Dr. Zikos graduated from University of Pittsburgh School of Medicine and completed his residency at Stanford Hospital and Clinics Program. Dr. Zikos is fluent in English, and is currently seeing new patients. Dr. Zikos’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. Zikos’s office at (650) 723-6661.

    Where did Dr. Zikos go to medical school and complete their residency?

    • Residency: Stanford Hospital and Clinics Program

    • Medical School: University of Pittsburgh School of Medicine

    What languages does Dr. Zikos speak?

    Dr. Zikos and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. Zikos treat?

    As an Internist, Dr. Zikos diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Zikos. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Colon Cancer Screening
    • Health Screening
    • Colorectal Cancer Screening (PDQ®)
    • Screening Tests to Detect Colorectal Cancer and Polyps
    • Tests to Detect Colorectal Cancer and Polyps
    • Colorectal Cancer Screening
    • Colonoscopy Screening
    • Bowel Cancer Screening

    ICD-10 Codes:

    • Z1211: Encounter for screening for malignant neoplasm of colon

    Also known as:

    • Acid Reflux
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis

    Also known as:

    • Constipation
    • Outlet Dysfunction Constipation
    • Difficulty Passing Stool
    • Infrequent Bowel Movements
    • Hard Stools
    • Pelvic Floor Dysfunction Constipation
    • Dyssynergic Defecation
    • Obstructed Defecation

    ICD-10 Codes:

    • K5900: Constipation, unspecified
    • K5902: Outlet dysfunction constipation

    Also known as:

    • Difficulty Swallowing
    • Swallowing Disorder
    • Dysphagia
    • Trouble swallowing
    • Painful swallowing

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

    • Abdominal Pain
    • Upper Middle Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain
    • Epigastric pain
    • Pain below breastbone
    • Upper stomach pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain
    • R1013: Epigastric pain

    Also known as:

    • Achalasia
    • Esophagus Disorder
    • Esophageal Achalasia
    • Cardia Achalasia
    • Difficulty Swallowing

    ICD-10 Codes:

    • K220: Achalasia of cardia

    Also known as:

    • Iron Deficiency Anemia
    • Anemia
    • Iron
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D509: Iron deficiency anemia, unspecified
    • D649: Anemia, unspecified

    Also known as:

    • Cirrhosis
    • Liver scarring
    • End-stage liver disease
    • Chronic liver failure

    ICD-10 Codes:

    • K7460: Unspecified cirrhosis of liver

    Also known as:

    • Irritable Bowel Syndrome with Constipation
    • Irritable Bowel Syndrome
    • Irritable Bowel Syndrome (IBS)
    • IBS-C
    • Constipation-Predominant IBS
    • Spastic Colon with Constipation

    ICD-10 Codes:

    • K581: Irritable bowel syndrome with constipation

    Also known as:

    • Complete Bowel Incontinence
    • Bowel Incontinence
    • Full fecal incontinence
    • Total loss of bowel control
    • Severe accidental bowel leakage

    ICD-10 Codes:

    • R159: Full incontinence of feces

    Also known as:

    • Nausea and Vomiting
    • Feeling Sick and Throwing Up
    • Stomach Flu Symptoms
    • Queasy and Vomiting

    ICD-10 Codes:

    • R112: Nausea with vomiting, unspecified

    Also known as:

    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • GI Bleeding
    • Internal Digestive Bleeding
    • Digestive Tract Hemorrhage

    ICD-10 Codes:

    • K922: Gastrointestinal hemorrhage, unspecified

    Also known as:

    • Gastroparesis
    • Stomach Disorder
    • Delayed Gastric Emptying
    • Stomach Paralysis
    • Gastric Motility Disorder

    ICD-10 Codes:

    • K3184: Gastroparesis

    Also known as:

    • Fluid in Abdomen
    • Liver Disease
    • Ascites
    • Abdominal fluid buildup
    • Peritoneal fluid

    ICD-10 Codes:

    • R188: Other ascites

    Also known as:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal polyps
    • Bowel polyps
    • Intestinal polyps

    ICD-10 Codes:

    • K635: Polyp of colon

    Also known as:

    • Diarrhea
    • Loose stools
    • Runny poop
    • Frequent bowel movements

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Special Medical Examination
    • Specific health check
    • Detailed medical assessment
    • Special health screening

    ICD-10 Codes:

    • Z0189: Encounter for other specified special examinations

    What procedures does Dr. Zikos perform?

    As an Internist, Dr. Zikos performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Zikos. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening

    CPT Codes:

    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 45380: Colonoscopy, flexible; with biopsy, single or multiple

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Also known as:

    • Diagnostic Upper Endoscopy with Biopsy
    • EGD with Esophageal Balloon Dilation
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample
    • Upper Endoscopy with Esophageal Dilation
    • Flexible Esophagoscopy with Balloon
    • EGD with Balloon Widening

    CPT Codes:

    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)

    Does Dr. Zikos accept my insurance?

    Dr. Zikos accepts most major insurance plans. Important: Please call our office at (650) 723-6661 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Zikos accept in Los Angeles, CA?

    Dr. Zikos in Los Angeles, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Apex Healthcare

    • Centene

    • City of Los Angeles

    • Crown Cork and Seal Company

    • Heritage Health

    • Medicare

    • Other Health Care Provider

    • State of Tennessee

    • State of Washington

    View All Insurances

    Where is Dr. Zikos' office located?

    Dr. Thomas Zikos' Primary Practice

    6041 Cadillac Ave

    Los Angeles, CA 90034

    (650) 723-6661

    Get Directions

    Dr. Thomas Zikos' Practice 2

    300 Pasteur Dr # S101

    Stanford, CA 94305

    Get Directions

    Dr. Thomas Zikos' Practice 3

    300 Pasteur Dr

    Palo Alto, CA 94304

    Get Directions

    What is Dr. Zikos's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Zikos's National Provider Identifier (NPI) number is 1801162904.

    What common questions do patients ask about Dr. Zikos?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Zikos

    What is Dr. Thomas Zikos's specialty?

    Dr. Zikos is a Internist near Los Angeles, CA.

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Contact Dr. Zikos to book an appointment today.

    Is this Dr. Thomas Zikos affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Zikos is affiliated with Kaiser Permanente West Los Angeles Medical Center, Ronald Reagan UCLA Medical Center, Kaiser Permanente Los Angeles Medical Center, Kaiser Permanente Riverside Medical Center, Kaiser Permanente Panorama City Medical Center, Kaiser Permanente Orange County - Anaheim Medical Center which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Internist?

    Explore Internist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Thomas Zikos accepting new patients in Los Angeles, CA?

    Yes, Dr. Thomas Zikos is accepting new patients at this time.

    Does Dr. Thomas Zikos offer online booking?

    Please contact Dr. Zikos's office at (650) 723-6661 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Thomas Zikos?

    Please contact Dr. Zikos's office at (650) 723-6661 for information regarding telehealth appointment availability or for scheduling assistance.

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