31 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Shimizu, Internist in Fontana, CA?
Dr. Gregory Shimizu, MD is an Internist, who primarily practices in Fontana, CA with 2 additional practice locations. He has been practicing for over 31 years and is board certified by the American Board of Internal Medicine. Dr. Shimizu graduated from Mechanical Engineering and completed his residency at Kaiser Permanente Med Ctr, Internal Medicine. Dr. Shimizu is fluent in English, and is currently seeing new patients. Dr. Shimizu’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Shimizu’s office at (909) 427-3910.
Where did Dr. Shimizu go to medical school and complete their residency?
Residency: Kaiser Permanente Med Ctr, Internal Medicine | Kaiser Permanente Med Center | Stanford University Hospital/Kaiser Permanente Medical Center Program
Medical School: Mechanical Engineering
Is Dr. Shimizu board certified in Internist?
Yes, Dr. Gregory Shimizu, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Shimizu speak?
Dr. Shimizu and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Shimizu treat?
As a Internist, Dr. Shimizu 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. Shimizu. 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:
- Acute Respiratory Failure with Low Oxygen
- Acute and Chronic Respiratory Failure with Low Oxygen
- Respiratory Failure
- Sudden lung failure with low oxygen
- Hypoxic respiratory failure
- Acute breathing failure with hypoxia
- Sudden and Long-Term Lung Failure with Low Oxygen
- Acute and Chronic Hypoxic Respiratory Failure
- Ongoing Breathing Failure with Low Oxygen
ICD-10 Codes:
- J9601: Acute respiratory failure with hypoxia
- J9621: Acute and chronic respiratory failure with hypoxia
Also known as:
- Heart Attack (NSTEMI)
- Heart Attack
- Myocardial Infarction
- Non-STEMI
- Less Severe Heart Attack
ICD-10 Codes:
- I214: Non-ST elevation (NSTEMI) myocardial infarction
Also known as:
- Sepsis
- Blood Poisoning
- Septicemia
- Systemic Bacterial Infection
ICD-10 Codes:
- A4189: Other specified sepsis
- A419: Sepsis, unspecified organism
Also known as:
- Metabolic Brain Disorder
- Brain Disease
- Metabolic Encephalopathy
- Brain Dysfunction from Metabolism
ICD-10 Codes:
- G9341: Metabolic encephalopathy
Also known as:
- Worsening Chronic Systolic Heart Failure
- Worsening Chronic Diastolic Heart Failure
- Heart Failure
- Acute Decompensated HFrEF
- Sudden Worsening Heart Failure
- Acute on Chronic Pumping Heart Failure
- Acute Decompensated HFpEF
- Sudden Worsening Diastolic Heart Failure
- Acute on Chronic Filling Heart Failure
ICD-10 Codes:
- I5023: Acute on chronic systolic (congestive) heart failure
- I5033: Acute on chronic diastolic (congestive) heart failure
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Other Acute Kidney Failure
- Kidney Failure
- Other Acute Renal Failure
- Other Sudden Kidney Failure
ICD-10 Codes:
- N178: Other acute kidney failure
Also known as:
- Fainting
- Syncope
- Passing out
- Collapse
ICD-10 Codes:
- R55: Syncope and collapse
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Pectoral pain
ICD-10 Codes:
- R0789: Other chest pain
Also known as:
- One-Sided Weakness or Paralysis After Ischemic Stroke
- Paralysis
- Stroke
- Post-ischemic stroke hemiplegia
- Partial paralysis from ischemic stroke
- Ischemic stroke-related body weakness
- Hemiparesis after brain infarction
ICD-10 Codes:
- I69351: Hemiplegia and hemiparesis following cerebral infarction affecting right dominant side
Also known as:
- Other Types of Mini-Strokes
- Transient Ischemic Attack
- Atypical TIA
- Uncommon mini-stroke
- Transient cerebral ischemia
ICD-10 Codes:
- G458: Other transient cerebral ischemic attacks and related syndromes
Which procedures does Dr. Shimizu perform as a Internist?
As a Internist, procedures performed by an Dr. Gregory Shimizu may include:
- Ambulatory Care Consultation
- Annual Check Up
- Annual Physical
- Aromatherapy
- Bladder and Bowel Management
- Blood Pressure Testing
- Bowel and Bladder Management
- Certified Medical Examination for Commercial Driver / Vessel Master
For detailed information, please contact Dr. Shimizu's office.
Does Dr. Shimizu accept my insurance?
Dr. Shimizu accepts most major insurance plans. Important: Please call our office at (909) 427-3910 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Shimizu accept in Fontana, CA?
Dr. Shimizu in Fontana, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alignment Health Plan
All Other Third Party
Blue Shield of California
City of Los Angeles
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Medicare
Other Health Care Provider
Scan Health Plan
UnitedHealthcare
View All Insurances
Where is Dr. Shimizu's office located?
What is Dr. Shimizu's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Shimizu's National Provider Identifier (NPI) number is 1154492130.
What common questions do patients ask about Dr. Shimizu?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Shimizu
What is Dr. Gregory Shimizu's specialty?
Dr. Shimizu is a Internist near Fontana, 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. Shimizu to book an appointment today.Is this Dr. Gregory Shimizu affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Shimizu is affiliated with Riverside Community Hospital, Temecula Valley Hospital, Redlands Community Hospital 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 Gregory Shimizu accepting new patients in Fontana, CA?
Yes, Dr. Gregory Shimizu is accepting new patients at this time.
Does Dr. Gregory Shimizu offer online booking?
Please contact Dr. Shimizu's office at (909) 427-3910 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Gregory Shimizu?
Please contact Dr. Shimizu's office at (909) 427-3910 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Gregory Shimizu have?
Dr. Gregory Shimizu is certified by the American Board of Internal Medicine.
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