
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Greiner, Allergist & Immunologist in San Diego, CA?
Dr. Alexander Greiner, MD is an Allergist & Immunologist, who primarily practices in San Diego, CA with 2 additional practice locations. Dr. Greiner completed his residency at University Ca San Diego Med Center. Dr. Greiner is fluent in English and Spanish, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Greiner’s office at (858) 292-1144.
Where did Dr. Greiner go to medical school and complete their residency?
Residency: University Ca San Diego Med Center
Medical School: Upstate Medical University/ College of Health Professions
What languages does Dr. Greiner speak?
Dr. Greiner and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does an Allergist & Immunologist like Dr. Greiner typically treat?
As an Allergist & Immunologist, Dr. Greiner 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. Greiner. 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:
- Allergic Rhinitis
- Pet Allergy
- Allergy
- Nasal allergy
- Chronic allergy symptoms
- Allergic reactions
- Animal dander allergy
- Cat allergy
- Dog allergy
- Allergic rhinitis from pets
ICD-10 Codes:
- J3089: Other allergic rhinitis
- J3081: Allergic rhinitis due to animal (cat) (dog) hair and dander
Also known as:
- Allergic Rhinitis
- Hay Fever
- Allergy
- Nasal allergies
- Allergy rhinitis
- Chronic runny nose
- Pollen allergy
- Seasonal allergies
- Allergic rhinitis
ICD-10 Codes:
- J309: Allergic rhinitis, unspecified
- J301: Allergic rhinitis due to pollen
Also known as:
- Mild Intermittent Asthma
- Mild Persistent Asthma
- Asthma
- Occasional Asthma
- Mild Asthma Attacks
- Infrequent Asthma
- Ongoing Mild Asthma
- Regular Mild Asthma
- Chronic Mild Asthma
ICD-10 Codes:
- J4520: Mild intermittent asthma, uncomplicated
- J4530: Mild persistent asthma, uncomplicated
Also known as:
- Peanut Allergy
- Food Allergy
- Peanut Hypersensitivity
- Groundnut Allergy
- Allergic Reaction to Peanuts
ICD-10 Codes:
- Z91010: Allergy to peanuts
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
What procedures does an Allergist & Immunologist like Dr. Greiner typically perform?
As an Allergist & Immunologist, procedures performed by Dr. Alexander Greiner 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. Greiner's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Greiner accept my insurance?
Dr. Greiner accepts most major insurance plans. Important: Please call our office at (858) 292-1144 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Greiner accept in San Diego, CA?
Dr. Greiner in San Diego, 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
Blue Shield of California
Centene Corporation
Cigna Group
Community Health Group
CVS Health (formerly Aetna)
Scripps Health
Sharp HealthCare
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Greiner's office located?
Dr. Alexander Greiner's Primary Practice
5776 Ruffin Rd
San Diego, CA 92123
(858) 292-1144
What is Dr. Greiner's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Greiner's National Provider Identifier (NPI) number is 1609801299.
What common questions do patients ask about Dr. Greiner?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Greiner
What is Dr. Alexander Greiner's specialty?
Dr. Greiner is a Allergist & Immunologist near San Diego, CA.
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. Alexander Greiner affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Greiner is affiliated with Sharp Grossmont Hospital, Scripps Memorial Hospital La Jolla 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
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 Alexander Greiner accepting new patients in San Diego, CA?
Yes, Dr. Alexander Greiner is accepting new patients at this time.
Does Dr. Alexander Greiner offer online booking?
Please contact Dr. Greiner's office at (858) 292-1144 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Alexander Greiner?
Please contact Dr. Greiner's office at (858) 292-1144 for information regarding telehealth appointment availability or for scheduling assistance.
Other Allergist & Immunologist Near San Diego, CA

Allergist & Immunologist
Dr. Susan Laubach, MD is an Allergist & Immunologist, who primarily practices in San Diego, CA with 2 additional practice locations. She is board certified.
San Diego, CA

Allergist & Immunologist
Dr. Michael Welch, MD is an Allergist & Immunologist, who primarily practices in San Diego, CA with 1 additional practice location. He has been practicing for over 43 years and is board certified.
San Diego, CA
MC
Allergist & Immunologist
Dr. Martin Caha, MD is an Allergist & Immunologist, who primarily practices in San Diego, CA with 2 additional practice locations.
San Diego, CA