MD
Accepting patients
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. He is board certified. 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 Dr. Diaz 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.
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:
- Tuberculosis Screening
- Screening for Other Viral Disease
- Health Screening
- TB test
- PPD test
- Tuberculosis exposure check
- Other Viral Infection Screening
- Miscellaneous Virus Test
- Non-COVID Viral Screening
ICD-10 Codes:
- Z111: Encounter for screening for respiratory tuberculosis
- Z1159: Encounter for screening for other viral diseases
Also known as:
- Type 2 Diabetes
- Type 2 Diabetes with High Blood Sugar
- Diabetes Type 2
- Type 2 diabetes
- Hyperglycemia
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
- Diabetic Hyperglycemia
- High Blood Glucose
- High Sugar Levels
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
- E1165: Type 2 diabetes mellitus with hyperglycemia
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
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:
- Therapeutic Drug Monitoring
- Drug level testing
- Medication monitoring
- Therapeutic drug management
ICD-10 Codes:
- Z5181: Encounter for therapeutic drug level monitoring
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
Also known as:
- Dizziness
- Dizziness and Vertigo
- Lightheadedness
- Giddiness
- Vertigo
ICD-10 Codes:
- R42: Dizziness and giddiness
Also known as:
- Severe Obesity
- Obesity
- Helping Your Child Who Is Overweight
- Take Charge of Your Health: A Guide for Teenagers
- Understanding Adult Overweight & Obesity
- Morbid Obesity
- Extreme Obesity
- Class 3 Obesity
ICD-10 Codes:
- E6601: Morbid (severe) obesity due to excess calories
Also known as:
- Other Administrative Medical Exams
- Miscellaneous administrative exams
- Various official health checks
- Other regulatory medical assessments
ICD-10 Codes:
- Z0289: Encounter for other administrative examinations
Also known as:
- Pain in Right Knee
- Knee Injuries and Disorder
- Pain
- Right Knee Ache
- Right Knee Discomfort
- Sore Right Knee
ICD-10 Codes:
- M25561: Pain in right knee
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Pectoral pain
ICD-10 Codes:
- R0789: Other chest pain
Also known as:
- Birth Control Shot Check-up
- Birth Control
- Injectable contraceptive follow-up
- Depo-Provera monitoring
- Birth control injection check
ICD-10 Codes:
- Z3042: Encounter for surveillance of injectable contraceptive
Also known as:
- Lymphedema
- Lymphatic Swelling
- Fluid Retention in Limbs
- Chronic Swelling
ICD-10 Codes:
- I890: Lymphedema, not elsewhere classified
Also known as:
- Heart Palpitations
- Arrhythmia
- Skipped Heartbeat
- Fluttering Heart
- Pounding Heart
ICD-10 Codes:
- R002: Palpitations
Also known as:
- Other Specific B Vitamin Deficiency
- B Vitamins
- Malnutrition
- Specific B Vitamin Shortage
- Less Common B Vitamin Deficiency
- Rare B Vitamin Deficiency
ICD-10 Codes:
- E538: Deficiency of other specified B group vitamins
Which procedures does Dr. Diaz perform as a Family Medicine Specialist?
As a Family Medicine Specialist, procedures performed by a Dr. Matthew Diaz may include:
- ALCAT Testing
- Joint Injection
- Medication Assisted Treatment (MAT)
- Nebulizer Treatment
- OB Consultation
- Ozone Injection
- Post-Surgery Checkup
- Tetanus Shot
For detailed information, please contact Dr. Diaz's office.
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
Contra Costa
Express Scripts
Inland Faculty Medical Group, Inc
Kaiser Permanente
Medicare
Other Health Care Provider
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. 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. Contact Dr. Diaz to book an appointment today.
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 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 Family Medicine Specialist?
Explore Family Medicine Specialist 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 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.
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