Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Ronald A. Simon, MD

Individual provider Allergy & Immunology Physician · NPI 1255304622

Dr. Ronald A. Simon, MD is an Allergy/Immunology in San Diego, California. Graduated from University of Chicago, Pritzker School of Medicine in 1974, 52 years ago. Practices with Scripps Health, a 1,446-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
52
Trained at
University of Chicago, Pritzker School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3811 Valley Centre Dr
San Diego, CA 92130
Phone: (858) 764-9010
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence G31303 (CA)

Record details

NPI number1255304622
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 8, 2006
Last updated in NPPESJuly 5, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Graduated 1974 (52 years in practice)
Group practice Scripps Health — 1446 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations8 on file with Medicare

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