Doctor profile · Federal record
Dr. Denis Yoshii, D.O.
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Allergy & Immunology Physician · Costa Mesa, CA
- NPI 1124091814
- 31 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1700 Adams Ave Ste 100
Costa Mesa, CA 926264865
(714) 549-0301
fax (714) 549-7553
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State licenses (2)
- California #20A6936 · Nevada #1005
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124091814. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
87
Distinct HCPCS
2
Medicare allowed
$7,915
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 68 | 34 | $108 | |
94010 |
Test to measure expiratory airflow and volume | 19 | 12 | $29 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 43. This provider delivers 2.0× the peer median.Open Payments
Industry payments received
All-time total
$969
Transactions
51
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Regeneron Healthcare Solutions, Inc. | 11 | $333.06 | |
| GENZYME CORPORATION | 13 | $236.68 | |
| GlaxoSmithKline, LLC. | 19 | $174.42 | |
| AstraZeneca Pharmaceuticals LP | 5 | $139.05 | |
| Grifols USA, LLC | 2 | $51.46 | |
| CSL Behring | 1 | $34.02 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
160
Patients
0
Total drug cost
$60,314
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 27 | 0 | $1,141 |
| Montelukast Sodium | Generic | 24 | 0 | $536 |
| Levocetirizine Dihydrochloride | Generic | 22 | 0 | $302 |
| Fluticasone Propionate | Generic | 21 | 0 | $237 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 15 | 0 | $7,177 |
| Ipratropium Bromide | Generic | 15 | 0 | $339 |
| Dupixent Syringe (Dupilumab) | Brand | 13 | 0 | $50,374 |
| Hydroxyzine Hcl | Generic | 12 | 0 | $144 |
| Omeprazole | Generic | 11 | 0 | $64 |
Frequently asked questions
What is Dr. Denis Yoshii's medical specialty?
Dr. Denis Yoshii practices Allergy & Immunology Physician in Costa Mesa, CA.
Where does Dr. Denis Yoshii practice?
Dr. Denis Yoshii practices at 1700 Adams Ave Ste 100, Costa Mesa, CA 926264865. Office phone: 7145490301.
What is Dr. Denis Yoshii's NPI?
Dr. Denis Yoshii's National Provider Identifier (NPI) is 1124091814, issued by NPPES.
Does Dr. Denis Yoshii accept Medicare assignment?
Dr. Denis Yoshii does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Denis Yoshii commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Test to measure expiratory airflow and volume (HCPCS 94010). Source: CMS Medicare Physician & Other Practitioners file.