DY
24 Years of Experience
Accepting patients
Who is Dr. Yoshii, Allergist & Immunologist in Costa Mesa, CA?
Dr. Denis Yoshii, DO is an Allergist & Immunologist, who primarily practices in Costa Mesa, CA with 1 additional practice location. He has been practicing for over 24 years and is board certified by the American Board of Pediatrics. Dr. Yoshii graduated from Western University of Health Sciences College of Osteopathic Medicine of the Pacific and completed his residency at UC Irvine Medical Center. Dr. Yoshii is fluent in English and Spanish, and is currently seeing new patients. Dr. Yoshii’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Yoshii’s office at (714) 549-0301.
Where did Dr. Yoshii go to medical school and complete their residency?
Residency: UC Irvine Medical Center
Medical School: Western University of Health Sciences College of Osteopathic Medicine of the Pacific
Is Dr. Yoshii board certified in Allergist & Immunologist?
Yes, Dr. Denis Yoshii, DO is board certified by the American Board of Pediatrics
What languages does Dr. Yoshii speak?
Dr. Yoshii and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Yoshii treat?
As a Allergist & Immunologist, Dr. Yoshii 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. Yoshii. 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:
- Hay Fever
- Pollen allergy
- Seasonal allergies
- Allergic rhinitis
ICD-10 Codes:
- J301: Allergic rhinitis due to pollen
Also known as:
- Moderate Persistent Asthma
- Mild Intermittent Asthma
- Mild Persistent Asthma
- Exercise-Induced Asthma
- Moderate Persistent Asthma with Flare-up
- Mild Persistent Asthma with Flare-up
- Mild Intermittent Asthma Flare-Up
- Asthma
- Ongoing Moderate Asthma
- Regular Moderate Asthma
- Chronic Moderate Asthma
- Occasional Asthma
- Mild Asthma Attacks
- Infrequent Asthma
- Ongoing Mild Asthma
- Regular Mild Asthma
- Chronic Mild Asthma
- Exercise-Induced Bronchoconstriction
- EIB
- Asthma from Exercise
- Moderate Asthma Exacerbation
- Worsening Moderate Asthma
- Acute Asthma Attack
- Mild Asthma Exacerbation
- Worsening Mild Asthma
- Mild Asthma Attack
- Acute Mild Intermittent Asthma
- Asthma Exacerbation
ICD-10 Codes:
- J4540: Moderate persistent asthma, uncomplicated
- J4520: Mild intermittent asthma, uncomplicated
- J4530: Mild persistent asthma, uncomplicated
- J45990: Exercise induced bronchospasm
- J4541: Moderate persistent asthma with (acute) exacerbation
- J4531: Mild persistent asthma with (acute) exacerbation
- J4521: Mild intermittent asthma with (acute) exacerbation
Also known as:
- Allergic Hives
- Chronic Hives
- Allergy
- Hives
- Allergic welts
- Allergic rash
- Urticaria due to allergy
- Hives of unknown cause
- Spontaneous urticaria
- Persistent welts
ICD-10 Codes:
- L500: Allergic urticaria
- L501: Idiopathic urticaria
Also known as:
- Food Allergy Rash
- Food Allergy
- Rashes
- Dermatitis from Food
- Skin Reaction to Ingested Food
- Food-Induced Eczema
ICD-10 Codes:
- L272: Dermatitis due to ingested food
Also known as:
- Allergic Contact Dermatitis
- Pet Allergy
- Allergy
- Rashes
- Allergic skin rash
- Contact allergy
- Skin irritation from allergens
- Animal dander allergy
- Cat allergy
- Dog allergy
- Allergic rhinitis from pets
- Skin irritation from chemicals
ICD-10 Codes:
- L239: Allergic contact dermatitis, unspecified cause
- J3081: Allergic rhinitis due to animal (cat) (dog) hair and dander
- L235: Allergic contact dermatitis due to other chemical products
Also known as:
- Atopic Dermatitis
- Eczema
- Atopic dermatitis
- Itchy skin rash
- Allergic skin condition
- Allergic eczema
ICD-10 Codes:
- L209: Atopic dermatitis, unspecified
- L2084: Intrinsic (allergic) eczema
Also known as:
- Widespread Abdominal Pain
- Abdominal Pain
- General stomach pain
- Overall belly pain
- Diffuse abdominal pain
ICD-10 Codes:
- R1084: Generalized abdominal pain
Also known as:
- Chronic Sinusitis
- Sinusitis
- Chronic sinus infection
- Maxillary sinus inflammation
- Long-term sinus problems
ICD-10 Codes:
- J320: Chronic maxillary sinusitis
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Immune Deficiency
- Immune System and Disorder
- Weak Immune System
- Immune System Disorder
ICD-10 Codes:
- D849: Immunodeficiency, unspecified
Which procedures does Dr. Yoshii perform as a Allergist & Immunologist?
As a Allergist & Immunologist, procedures performed by an Dr. Denis Yoshii may include:
- Allergy Consultation
- Allergy Follow Up
- Allergy Shots
- Allergy Testing
- Insect Bite(s)
- Sinus Surgeon Consultation
- Sinus Surgeon Follow Up
- Sinus Surgery
For detailed information, please contact Dr. Yoshii's office.
Does Dr. Yoshii accept my insurance?
Dr. Yoshii accepts most major insurance plans. Important: Please call our office at (714) 549-0301 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Yoshii accept in Costa Mesa, CA?
Dr. Yoshii in Costa Mesa, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Territories
All Other Third Party
CalOptima
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicare
Monarch HealthCare
OptumRx
St. Joseph Health System (CA)
UnitedHealthcare
View All Insurances
Where is Dr. Yoshii's office located?
Dr. Denis Yoshii's Primary Practice
1700 Adams Ave Ste 100
Costa Mesa, CA 92626
(714) 549-0301
Dr. Denis Yoshii's Practice 2
26750 Towne Centre Dr Ste D
Foothill Ranch, CA 92610
(949) 916-0888
What is Dr. Yoshii's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Yoshii's National Provider Identifier (NPI) number is 1124091814.
What common questions do patients ask about Dr. Yoshii?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Yoshii
What is Dr. Denis Yoshii's specialty?
Dr. Yoshii is a Allergist & Immunologist near Costa Mesa, CA. An allergist-immunologist is well-versed in the assessment, physical examination, laboratory diagnosis, and treatment of immune system disorders. These conditions include, but are not limited to, eczema, asthma, anaphylaxis, rhinitis, and adverse reactions to food, medication, and insect stings. Furthermore, they manage immune deficiency diseases, whether acquired or congenital, issues with host defense, and challenges associated with autoimmune diseases, organ transplantation, or immune system malignancies. Contact Dr. Yoshii to book an appointment today.
Is this Dr. Denis Yoshii affiliated with a ranked Castle Connolly Top Hospital?
No, Yoshii is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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 Allergist & Immunologist?
Explore Allergist & Immunologist 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 Denis Yoshii accepting new patients in Costa Mesa, CA?
Yes, Dr. Denis Yoshii is accepting new patients at this time.
Does Dr. Denis Yoshii offer online booking?
Please contact Dr. Yoshii's office at (714) 549-0301 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Denis Yoshii?
Please contact Dr. Yoshii's office at (714) 549-0301 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Denis Yoshii have?
Dr. Denis Yoshii is certified by the American Board of Pediatrics.
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