KO
16 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Otsu, Allergist & Immunologist in Denver, CO?
Dr. Kanao Otsu, MD is an Allergist & Immunologist, who primarily practices in Denver, CO. She has been practicing for over 16 years. Dr. Otsu is fluent in English and Japanese, and is currently seeing new patients. Dr. Otsu’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Otsu’s office at (303) 388-4461.
What are Areas of Expertise for Dr. Otsu?
Dr. Kanao Otsu, MD is a highly-rated, board-certified Allergist & Immunologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Otsu empowers patients to confidently navigate their health journey, specializing in Allergic Aspergillosis, Allergy & Asthma, Angioedema, Eosinophilic Esophagitis, Food Allergy, Immune Deficiency, and comprehensive wellness support. Serving the Denver, CO community, Dr. Otsu is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Otsu go to medical school and complete their residency?
Medical School: Ben Gurion University of The Negev / Faculty of Health Science
What languages does Dr. Otsu speak?
Dr. Otsu and their clinical team can communicate with patients in the following languages:
English
Japanese
What conditions does an Allergist & Immunologist like Dr. Otsu typically treat?
As an Allergist & Immunologist, Dr. Otsu 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. Otsu. 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.
Also known as:
- Hay Fever
- Allergic Rhinitis
- Allergy
- Pollen allergy
- Seasonal allergies
- Allergic rhinitis
- Nasal allergies
- Allergy rhinitis
- Chronic runny nose
ICD-10 Codes:
- J301: Allergic rhinitis due to pollen
- J309: Allergic rhinitis, unspecified
Also known as:
- Asthma
- Severe Persistent Asthma
- Reactive Airway Disease
- Bronchial Asthma
- Allergic Asthma
- Chronic Severe Asthma
- Difficult-to-Treat Asthma
- Severe Asthma
ICD-10 Codes:
- J45909: Unspecified asthma, uncomplicated
- J4550: Severe persistent asthma, uncomplicated
Also known as:
- Chronic Hives
- Hives
- Hives of unknown cause
- Spontaneous urticaria
- Persistent welts
ICD-10 Codes:
- L501: Idiopathic urticaria
Also known as:
- Cancer Immunotherapy
- Oncology immunotherapy
- Immune therapy for cancer
ICD-10 Codes:
- Z5112: Encounter for antineoplastic immunotherapy
Also known as:
- Non-Hereditary Low Immunoglobulin Levels
- Immune System and Disorder
- Acquired Antibody Deficiency
- Non-Genetic Immune Deficiency
ICD-10 Codes:
- D801: Nonfamilial hypogammaglobulinemia
What procedures does an Allergist & Immunologist like Dr. Otsu typically perform?
As an Allergist & Immunologist, procedures performed by Dr. Kanao Otsu may include:
- Allergy Consultation
- Allergy Follow Up
- Allergy Shots
- Allergy Testing
- Insect Bite(s)
- Sinus Surgeon Consultation
- Sinus Surgeon Follow Up
- Sinus Surgery
Please contact Dr. Otsu's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Otsu accept my insurance?
Dr. Otsu accepts most major insurance plans. Important: Please call our office at (303) 388-4461 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Otsu accept in Denver, CO?
Dr. Otsu in Denver, CO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Aetna
Blue Cross Blue Shield
Cigna Group
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
Humana
Medicare
Molina Healthcare
Unknown
Wellmark Blue Cross Blue Shield
View All Insurances
Where is Dr. Otsu's office located?
What is Dr. Otsu's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Otsu's National Provider Identifier (NPI) number is 1881748226.
What common questions do patients ask about Dr. Otsu?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Otsu
What is Dr. Kanao Otsu's specialty?
Dr. Otsu is a Allergist & Immunologist near Denver, CO.
What does an Allergist & Immunologist do?
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.
Is this Dr. Kanao Otsu affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Otsu is affiliated with Intermountain Health - Saint Joseph Hospital which is a Castle Connolly Top Hospital. 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 an Allergist & Immunologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Allergist & Immunologist. 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 Kanao Otsu accepting new patients in Denver, CO?
Yes, Dr. Kanao Otsu is accepting new patients at this time.
Does Dr. Kanao Otsu offer online booking?
Please contact Dr. Otsu's office at (303) 388-4461 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Kanao Otsu?
Please contact Dr. Otsu's office at (303) 388-4461 for information regarding telehealth appointment availability or for scheduling assistance.
Other Allergist & Immunologist Near Denver, CO
LK
Allergist & Immunologist
Dr. Levi Keller, MD is an Allergist & Immunologist, who primarily practices in Aurora, CO with 1 additional practice location.
Aurora, CO
CS
Allergist & Immunologist
Dr. Carah Santos, MD is an Allergist & Immunologist, who primarily practices in Denver, CO.
Denver, CO

Pediatric Pulmonologist
Dr. Andrew Liu, MD is a Pediatric Pulmonologist, who primarily practices in Denver, CO with 1 additional practice location. He has been practicing for over 34 years and is board certified.
Denver, CO