Doctor profile · Federal record
Dr. Ronald Simon, M.D.
Allergy & Immunology Physician (CMS: Allergy/Immunology) · San Diego, CA
- NPI 1255304622
- Accepts Medicare
- 52 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3811 Valley Centre Dr
San Diego, CA 92130
(858) 764-9010 - Mailing address
-
10790 Rancho Bernardo RD
San Diego, CA 921275705
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- July 5, 2018
- Year of graduation
- 1974 — 52 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- California #G31303
- Medicaid
- CA #00G313030
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255304622. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,840
Distinct HCPCS
10
Medicare allowed
$112,061
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J2357 |
Injection, omalizumab, 5 mg | 3,093 | 15 | $27 | |
95004 |
Test for allergy using allergenic extract | 361 | 11 | $4 | |
96372 |
Injection of drug or substance under skin or into muscle | 141 | 32 | $15 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 64 | 51 | $136 | |
95115 |
Professional service for single injection of allergen | 38 | 14 | $12 | |
95117 |
Professional service for multiple injections of allergen | 36 | 15 | $14 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 24 | 21 | $191 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 23 | 23 | $177 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 21 | 15 | $97 | |
94010 |
Test to measure expiratory airflow and volume | 14 | 14 | $30 |
In context: peer comparison
Among 11 peers in San Diego Allergy & Immunology Physician, average services per provider: 469. This provider delivers 8.2× the peer median.Open Payments
Industry payments received
All-time total
$669
Transactions
24
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Genentech, INC. | 2 | $208.77 | |
| Genzyme Corporation | 6 | $133.05 | |
| GlaxoSmithKline, LLC. | 3 | $73.43 | |
| AstraZeneca Pharmaceuticals Lp | 3 | $54.35 | |
| Genentech USA, INC. | 3 | $53.52 | |
| Regeneron Healthcare Solutions, INC. | 2 | $44.20 | |
| Pfizer INC. | 2 | $44.15 | |
| Optinose US, INC. | 2 | $34.66 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $22.38 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
381
Patients
68
Total drug cost
$215,855
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 48 | 13 | $1,018 |
| Fluticasone Propionate | Generic | 36 | 0 | $651 |
| Azithromycin | Generic | 33 | 28 | $125 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 33 | 0 | $19,737 |
| Prednisone | Generic | 31 | 16 | $269 |
| Azelastine Hcl | Generic | 29 | 11 | $1,064 |
| Ipratropium Bromide | Generic | 26 | 0 | $1,685 |
| Xolair (Omalizumab) | Brand | 23 | 0 | $61,980 |
| Omeprazole | Generic | 22 | 0 | $251 |
| Dupixent Syringe (Dupilumab) | Brand | 19 | 0 | $93,175 |
Frequently asked questions
What is Dr. Ronald Simon's medical specialty?
Dr. Ronald Simon practices Allergy & Immunology Physician in San Diego, CA.
Where does Dr. Ronald Simon practice?
Dr. Ronald Simon practices at 3811 Valley Centre Dr, San Diego, CA 92130. Office phone: 8587649010.
What is Dr. Ronald Simon's NPI?
Dr. Ronald Simon's National Provider Identifier (NPI) is 1255304622, issued by NPPES.
Does Dr. Ronald Simon accept Medicare assignment?
Yes. Dr. Ronald Simon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Simon commonly perform?
Top Medicare-reported procedures in 2023: Injection, omalizumab, 5 mg (HCPCS J2357); Test for allergy using allergenic extract (HCPCS 95004); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.