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Allergist & Immunologist
32 years of experience
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Nancy Ostrom, Allergist & Immunologist is Excellent. Dr. Ostrom has been reviewed by 6 patients who have provided 2 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.5
Promptness 5.0
Courteous Staff 4.5
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Nancy Ostrom, MD is board certified in Allergy & Immunology.

  • She has special expertise in 10 areas:
  • Allergy
  • Anaphylaxis
  • Asthma
  • Atopic Dermatitis
  • Eczema
  • Food Allergy (Hypersensitivity)
  • Hay Fever (Seasonal Allergic Rhinitis)
  • Immunotherapy
  • Nasal Allergy (Rhinitis)
  • Sinus Infection (Sinusitis)

Education & Awards

Dr. Ostrom graduated from Mayo Medical School, Rochester. She has 3 awards.

Castle Connolly America's Top Doctors® (2002 - 2008, 2010 - 2015)
Castle Connolly's Top Doctors™ (2012 - 2013)
Patients' Choice Award (2012)


Dr. Ostrom has 10 hospital affiliations:

  • Scripps Mercy Hospital San Diego 
  • Sharp Memorial Hospital 


  • English
  • Spanish
  • Vietnamese

> > > > Dr. Nancy Ostrom, MD

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Additional Information
Dr. Nancy Kay Ostrom MD is a female Allergist & Immunologist, has 32 years of experience and practices in Allergy & Immunology.
Where does Dr. Nancy K. Ostrom practice?
Dr. Nancy Ostrom has 1 office location.
Dr. Nancy Ostrom practices Allergy & Immunology near San Diego, CA.
See San Diego Allergists.