Affiliated with a Castle Connolly Top Hospital
Who is Dr. Diaz, Family Medicine Specialist in Fontana, CA?
Dr. Matthew Diaz, DO is a Family Medicine Specialist, who primarily practices in Fontana, CA with 2 additional practice locations. Dr. Diaz is fluent in English, and is currently seeing new patients. Dr. Diaz’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Diaz’s office at (909) 580-1000.
What languages does Dr. Diaz speak?
Dr. Diaz and their clinical team can communicate with patients in the following languages:
English
What conditions does a Family Medicine Specialist like Dr. Diaz typically treat?
As a Family Medicine Specialist, Dr. Diaz 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. Diaz. 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 here.
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
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
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Tuberculosis Screening
- TB test
- PPD test
- Tuberculosis exposure check
ICD-10 Codes:
- Z111: Encounter for screening for respiratory tuberculosis
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:
- General Health Screening
- Health Screening
- Routine Check-up
- Preventive Health Exam
- Wellness Screening
ICD-10 Codes:
- Z139: Encounter for screening, unspecified
Also known as:
- Urinary Tract Infection
- UTI
- Bladder infection
- Kidney infection
- Urine infection
ICD-10 Codes:
- N390: Urinary tract infection, site not specified
Also known as:
- Other Chronic Pain Condition
- Chronic Pain
- Various chronic pain
- Unspecified long-term pain
- Persistent pain disorders
ICD-10 Codes:
- G8929: Other chronic pain
What procedures does a Family Medicine Specialist like Dr. Diaz typically perform?
As a Family Medicine Specialist, procedures performed by Dr. Matthew Diaz may include:
- ALCAT Testing
- Joint Injection
- Medication Assisted Treatment (MAT)
- Nebulizer Treatment
- OB Consultation
- Ozone Injection
- Post-Surgery Checkup
- Tetanus Shot
Please contact Dr. Diaz's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Diaz accept my insurance?
Dr. Diaz accepts most major insurance plans. Important: Please call our office at (909) 580-1000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Diaz accept in Fontana, CA?
Dr. Diaz in Fontana, 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
City of Los Angeles
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Heritage Health
Kaiser Permanente
Medicare
Other Health Care Provider
Unknown
View All Insurances
Where is Dr. Diaz's office located?
What is Dr. Diaz's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Diaz's National Provider Identifier (NPI) number is 1235492943.
What common questions do patients ask about Dr. Diaz?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Diaz
What is Dr. Matthew Diaz's specialty?
Dr. Diaz is a Family Medicine Specialist near Fontana, 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 this Dr. Matthew Diaz affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Diaz 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, 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
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 Matthew Diaz accepting new patients in Fontana, CA?
Yes, Dr. Matthew Diaz is accepting new patients at this time.
Does Dr. Matthew Diaz offer online booking?
Please contact Dr. Diaz's office at (909) 580-1000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Matthew Diaz?
Please contact Dr. Diaz's office at (909) 580-1000 for information regarding telehealth appointment availability or for scheduling assistance.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>