RM
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Masui, Pediatrician in Palo Alto, CA?
Dr. Rei Masui, MD is a Pediatrician, who primarily practices in Palo Alto, CA with 2 additional practice locations. She is board certified. Dr. Masui is fluent in English and Japanese, and is currently seeing new patients. Dr. Masui’s practice accepts Kaiser Permanente, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Masui’s office at (925) 201-6028.
What languages does Dr. Masui speak?
Dr. Masui and their clinical team can communicate with patients in the following languages:
English
Japanese
What conditions does Dr. Masui treat?
As a Pediatrician, Dr. Masui 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. Masui. 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:
- Routine Child Health Examination (Normal Findings)
- Health Checkup
- Normal Well-Child Checkup
- Child Physical Exam (No Issues)
- Routine Pediatric Exam (Clear)
ICD-10 Codes:
- Z00129: Encounter for routine child health examination without abnormal findings
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Cough
- Coughing
- Persistent cough
- Chronic cough
ICD-10 Codes:
- R059: Cough, unspecified
Also known as:
- Viral Infection
- Virus Infection
- Viral Illness
- Common Virus
ICD-10 Codes:
- B349: Viral infection, unspecified
Also known as:
- Sore Throat
- Strep Throat
- Streptococcal Infection
- Acute pharyngitis
- Throat inflammation
- Acute throat infection
- Bacterial Sore Throat
- Pharyngitis
- Strep Infection
ICD-10 Codes:
- J029: Acute pharyngitis, unspecified
- J020: Streptococcal pharyngitis
Also known as:
- Fever
- High temperature
- Pyrexia
- Elevated body temperature
ICD-10 Codes:
- R509: Fever, unspecified
Also known as:
- Skin Rash
- Rashes
- Skin Eruption
- Hives
- Dermatitis
- Skin Inflammation
ICD-10 Codes:
- R21: Rash and other nonspecific skin eruption
Also known as:
- Common Cold
- Upper Respiratory Infection
- Head Cold
- Cold Symptoms
ICD-10 Codes:
- J069: Acute upper respiratory infection, unspecified
Also known as:
- Newborn Checkup (Under 8 Days Old)
- Child Health Checkup with Abnormal Findings
- Baby Health Checkup
- Infant and Newborn Care
- Health Checkup
- Early infant health exam
- First week baby checkup
- Post-delivery newborn exam
- Routine child exam with issues
- Pediatric checkup with concerns
- Child wellness visit with abnormal results
ICD-10 Codes:
- Z00110: Health examination for newborn under 8 days old
- Z00121: Encounter for routine child health examination with abnormal findings
Also known as:
- Exposure to COVID-19
- COVID-19 (Coronavirus Disease 2019)
- COVID-19 contact
- Suspected coronavirus exposure
- SARS-CoV-2 exposure
ICD-10 Codes:
- Z20822: Contact with and (suspected) exposure to COVID-19
Also known as:
- Asthma
- Reactive Airway Disease
- Bronchial Asthma
- Allergic Asthma
ICD-10 Codes:
- J45909: Unspecified asthma, uncomplicated
Also known as:
- Stuffy Nose
- Nose Injuries and Disorder
- Blocked nose
- Nasal congestion
- Congested nose
ICD-10 Codes:
- R0981: Nasal congestion
Also known as:
- Pink Eye
- Conjunctivitis
- Red Eye
- Eye Infection
- Sore Eye
ICD-10 Codes:
- H109: Unspecified conjunctivitis
Also known as:
- Flu with Respiratory Symptoms
- Flu
- Influenza with Breathing Problems
- Flu with Cough
- Severe Flu
ICD-10 Codes:
- J111: Influenza due to unidentified influenza virus with other respiratory manifestations
Also known as:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
Also known as:
- Anxiety Disorder
- Anxiety
- General Anxiety
- Anxiety Problems
- Nervous Disorder
ICD-10 Codes:
- F419: Anxiety disorder, unspecified
Also known as:
- Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D649: Anemia, unspecified
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
Which procedures does Dr. Masui perform as a Pediatrician?
As a Pediatrician, procedures performed by a Dr. Rei Masui may include:
- 12 Month Well-Baby Checkup
- 15 Month Well-Baby Checkup
- 18 Month Well-Baby Checkup
- 1 Month Well-Baby Checkup
- 24 Month Well-Baby Checkup
- 2 Month Well-Baby Checkup
- 2 Week Well Baby Checkup
- 30 Month Well-Baby Checkup
For detailed information, please contact Dr. Masui's office.
Does Dr. Masui accept my insurance?
Dr. Masui accepts most major insurance plans. Important: Please call our office at (925) 201-6028 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Masui accept in Palo Alto, CA?
Dr. Masui in Palo Alto, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alameda Alliance
All Other Third Party
Blue Shield of California
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Express Scripts
Hill Physicians Medical Group
Other Health Care Provider
State of Colorado
UnitedHealthcare
View All Insurances
Where is Dr. Masui's office located?
Dr. Rei Masui's Practice 3
20126 Stanton Ave Ste 200
Castro Valley, CA 94546
(510) 881-4210
What is Dr. Masui's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Masui's National Provider Identifier (NPI) number is 1790790178.
What common questions do patients ask about Dr. Masui?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Masui
What is Dr. Rei Masui's specialty?
Dr. Masui is a Pediatrician near Palo Alto, CA. A pediatrician focuses on the physical, emotional, and social health of children from birth through young adulthood. Their care includes a wide range of health services, from preventive healthcare to diagnosing and treating acute and chronic diseases. Pediatricians consider the biological, social, and environmental influences on a child's development, as well as how diseases and dysfunctions can impact growth and overall development. Contact Dr. Masui to book an appointment today.
Is this Dr. Rei Masui affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Masui is affiliated with San Ramon Regional Medical Center, Stanford Health Care - Stanford Hospital, John Muir Health Walnut Creek 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 Pediatrician?
Explore Pediatrician 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 Rei Masui accepting new patients in Palo Alto, CA?
Yes, Dr. Rei Masui is accepting new patients at this time.
Does Dr. Rei Masui offer online booking?
Please contact Dr. Masui's office at (925) 201-6028 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Rei Masui?
Please contact Dr. Masui's office at (925) 201-6028 for information regarding telehealth appointment availability or for scheduling assistance.
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