Provider Image

Alexander Greiner, MD

Medical doctor (MD)

Allergy and immunology

Medical Group

Sharp Community

Insurance

A medical group is a network of doctors contracted by health plans to provide patient care. To verify insurance coverage for specific medical groups, contact your health plan.Learn more.

Physician assistants are hightly trained medical providers who can diagnose, treat and manage your care while working with a doctor.

Nurse practitioners are highly trained medical providers who can diagnose, treat and manage your care while working with a doctor.

Insurance plans accepted

Sharp accepts most health insurance. Not all plans are listed. Please contact your insurance company to verify your insurance type and plan.

In-network insurance plans









Schedule an appointment

Accepting new patients

Book appointment


For current patients

Sign in to schedule

Online scheduling may be available if you've seen Alexander Greiner, MD in the last two years.


Call to schedule

Allergy & Asthma Medical Group & Research Center

858-966-4900

477 North El Camino Real
Suite D302
Encinitas, CA 92024

Allergy & Asthma Medical Group & Research Center

858-966-4900

5776 Ruffin Road
San Diego, CA 92123


Need help?

Questions about insurance coverage or anything else? or call 1-800-827-4277 to speak to a physician referral nurse.

Location and phone

  1. Allergy & Asthma Medical Group & Research Center

    477 North El Camino Real
    Suite D302
    Encinitas, CA 92024
    Get directions

    858-966-4900

  2. Allergy & Asthma Medical Group & Research Center

    5776 Ruffin Road
    San Diego, CA 92123
    Get directions

    858-966-4900


Care schedule

Allergy & Asthma Medical Group & Research Center

5776 Ruffin Road

  •  

    Monday

  •  

    Tuesday

  •  

    Wednesday

  •  

    Thursday

  •  

    Friday


About Alexander Greiner, MD

Gender: Male
Languages: French, German, Spanish

Education

UCSD Medical Center - San Diego: Fellowship
Winthrop University Hospital: Residency
State University of New York, Upstate: Medical School
Winthrop University Hospital: Internship

NPI

1609801299

Patient Portal

Connect with Alexander Greiner, MD, via the Sharp app

A National Provider Identifier (NPI) is a unique identification number assigned to individual U.S. health care providers.

Self-service platform to manage health care, including messaging doctors, viewing test results and more.


Insurance plans accepted

Alexander Greiner, MD, accepts 15 health insurance plans.

Insurance plans accepted

Sharp accepts most health insurance. Not all plans are listed. Please contact your insurance company to verify your insurance type and plan.

In-network insurance plans










Special recognitions

Guardian Angel image

Recognize this provider

Have you and your family received exceptional care from Alexander Greiner, MD? Consider paying tribute to this provider with a Guardian Angel gift.


All affiliated doctors referred by Sharp HealthCare are in good standing with a Sharp hospital or medical group and pay no fees to be included in this service. Doctors are not employees or agents of Sharp HealthCare. Selection is based on your particular needs. Learn more about how doctors and other providers are included in this service and the information displayed here.