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Dr. Gary Fontan, MD

Family Medicine Specialist

Chino Hills, CA

22 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Fontan, Family Medicine Specialist in Chino Hills, CA?

    Dr. Gary Fontan, MD is a Family Medicine Specialist, who primarily practices in Chino Hills, CA with 2 additional practice locations. He has been practicing for over 22 years and is board certified. Dr. Fontan graduated from University of Illinois College of Medicine and completed his residency at Pomona Valley Hosp Med Ctr, Family Medicine. Dr. Fontan is fluent in English, and is currently seeing new patients. Dr. Fontan’s practice accepts Kaiser Permanente and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fontan’s office at (909) 630-7875.

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

    • Residency: Pomona Valley Hosp Med Ctr, Family Medicine | Pomona Valley Hospital Med Center | Pomona Valley Hospital Medical Center Program

    • Medical School: University Of Il Coll Of Med- Chicago Il | University of Illinois College of Medicine

    Is Dr. Fontan board certified as a Family Medicine Specialist?

    Yes, Dr. Gary Fontan, MD is board certified by the American Board of Family Medicine

    What languages does Dr. Fontan speak?

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

    • English

    What conditions does a Family Medicine Specialist like Dr. Fontan typically treat?

    As a Family Medicine Specialist, Dr. Fontan 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. Fontan. 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. Learn more about our claims-based healthcare methodology.

    Also known as:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Patient Refused Vaccination
    • Personal Choice Not to Vaccinate
    • Vaccine refusal
    • Refusal to vaccinate
    • Immunization refusal
    • Vaccine Refusal
    • Patient Declined Vaccination
    • Unvaccinated by Choice

    ICD-10 Codes:

    • Z2821: Immunization not carried out because of patient refusal
    • Z2820: Immunization not carried out because of patient decision for unspecified reason

    Also known as:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    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

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    What procedures does a Family Medicine Specialist like Dr. Fontan typically perform?

    As a Family Medicine Specialist, procedures performed by Dr. Gary Fontan may include:

    Please contact Dr. Fontan's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Fontan accept my insurance?

    Dr. Fontan accepts most major insurance plans. Important: Please call our office at (909) 630-7875 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Fontan accept in Chino Hills, CA?

    Dr. Fontan in Chino Hills, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • City of Los Angeles

    • Heritage Health

    • Kaiser Permanente

    • Other Health Care Provider

    View All Insurances

    Where is Dr. Fontan's office located?

    Dr. Gary Fontan's Primary Practice

    2140 Grand Ave Ste 125

    Chino Hills, CA 91709

    (909) 630-7875

    Get Directions

    Dr. Gary Fontan's Practice 2

    250 W San Jose Ave

    Claremont, CA 91711

    Get Directions

    Dr. Gary Fontan's Practice 3

    9961 Sierra Ave

    Fontana, CA 92335

    Get Directions

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

    Dr. Fontan's National Provider Identifier (NPI) number is 1760482731.

    What common questions do patients ask about Dr. Fontan?

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

    What is Dr. Gary Fontan's specialty?

    Dr. Fontan is a Family Medicine Specialist near Chino Hills, CA.

    What does a Family Medicine Specialist do?

    Family Medicine is a medical specialty focused on comprehensive healthcare for individuals and families. It is a broad field that integrates biological, clinical, and behavioral sciences. The scope of family medicine covers all ages, genders, organ systems, and disease conditions, offering a holistic approach to patient care.

    Is Dr. Gary Fontan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Fontan is affiliated with Kaiser Permanente Fontana Medical Center, Casa Colina Hospital And Centers For Healthcare, Kaiser Permanente Baldwin Park Medical Center, Kaiser Permanente Riverside 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

    When to see a Family Medicine Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Family Medicine Specialist. Explore 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 Dr. Gary Fontan accepting new patients in Chino Hills, CA?

    Yes, Dr. Gary Fontan is accepting new patients at this time.

    Does Dr. Gary Fontan offer online booking?

    Please contact Dr. Fontan's office at (909) 630-7875 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Gary Fontan?

    Please contact Dr. Fontan's office at (909) 630-7875 to schedule an appointment.

    Where is Dr. Fontan's office located?

    Dr. Fontan's offices are located in Chino Hills, CA, Claremont, CA, and Fontana, CA.

    Which board certifications does Dr. Gary Fontan have?

    Dr. Gary Fontan is certified by the American Board of Family Medicine.