DR. RONALD A. SIMON M.D.
NPI 1255304622
Allergy & Immunology in San Diego, CA

Active since February 08, 2006PECOS EnrolledAccepts Medicare Assignment
3811 VALLEY CENTRE DR, SAN DIEGO, CA 92130(858) 764-9010 Get Directions Write a Review

NPPES record last updated: July 5, 2018. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Ronald A. Simon M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RONALD A. SIMON M.D. (NPI 1255304622) is an individual allergy & immunology provider in San Diego, California, licensed in California (G31303) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Chicago, Pritzker School Of Medicine (1974).

NPPES Registry Identity

NPI1255304622
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameDR. RONALD A. SIMONCredential: M.D.
Location Address3811 VALLEY CENTRE DRSan Diego, CA 92130
Mailing Address10790 Rancho Bernardo RdSan Diego, CA 92127-5705 · (858) 764-9010 · Fax (858) 764-9011
Sole ProprietorNo
Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 1974
Enumeration DateFebruary 8, 2006
Last NPPES UpdateJuly 5, 2018
NPI 1255304622 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License Licensed in CA · G31303
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
3811 VALLEY CENTRE DR, San Diego, CA 92130

Other Identifiers 1

Medicaid00G313030CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Ronald A. Simon M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951462076
PECOS Enrollment IDI20081208000771
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, omalizumab, 5 mg J2357
Omalizumab is a medication given via injection. It's used to treat severe allergic asthma and chronic hives when other treatments fail. The 5mg dose is determined by your doctor based on your weight and condition.
3,135 services23 patients
Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
245 services13 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
165 services52 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
63 services21 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
55 services52 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
34 services33 patients

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
3811 VALLEY CENTRE DR
SAN DIEGO, CA 92130
Internal Medicine
3811 VALLEY CENTRE DR
SAN DIEGO, CA 92130
Internal Medicine (Cardiovascular Disease)
3811 VALLEY CENTRE DR
SAN DIEGO, CA 92130
Nurse Practitioner (Pediatrics)
3811 VALLEY CENTRE DR
SAN DIEGO, CA 92130
Internal Medicine
3811 VALLEY CENTRE DR
SAN DIEGO, CA 92130
Family Medicine
3811 VALLEY CENTRE DR
SAN DIEGO, CA 92130
Internal Medicine
3811 VALLEY CENTRE DR
SAN DIEGO, CA 92130
Internal Medicine
3811 VALLEY CENTRE DR, S99
SAN DIEGO, CA 92130

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald Simon's NPI number?

The NPI number for Ronald Simon is 1255304622. It was assigned to this individual provider in the NPPES registry on February 8, 2006.

Where is Ronald Simon located?

Ronald Simon practices at 3811 Valley Centre Dr, San Diego, CA 92130. The listed phone number is (858) 764-9010.

What is Ronald Simon's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Ronald Simon enrolled in Medicare?

Yes. Ronald Simon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Ronald Simon was last updated on July 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.