Doctor profile · Federal record
Dr. Jon Onosaki, PA-C
Physician Assistant · Orange, CA
- NPI 1396059754
- Accepts Medicare
- 19 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
280 S Main St Ste 200
Orange, CA 928683852
(714) 634-4567 - Additional location
-
4300 Rose Dr
Yorba Linda, CA 928862026
(714) 577-6880
Credentials & registration
- NPI registered
- July 2010 — 16 yrs on file
- Profile last updated
- November 9, 2021
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #PA19725
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396059754. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,269
Distinct HCPCS
9
Medicare allowed
$45,289
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J7329 |
Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg | 1,875 | 19 | $9 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 140 | 90 | $85 | |
J0702 |
Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | 102 | 24 | $7 | |
20611 |
Aspiration and/or injection of fluid large joint using ultrasound guidance | 63 | 28 | $105 | |
20610 |
Aspiration and/or injection of fluid from large joint | 28 | 17 | $68 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 18 | 11 | $54 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 16 | $120 | |
27130 |
Replacement of thigh bone and hip joint with prosthesis | 15 | 15 | $189 | |
27447 |
Replacement of knee joint, both sides of knee | 12 | 12 | $192 |
In context: peer comparison
Among 38 peers in this city , average services per provider: 150. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$26
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Stryker Corporation | 1 | $26.10 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
156
Patients
86
Total drug cost
$1,677
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 38 | 28 | $344 |
| Tramadol Hcl | Generic | 31 | 18 | $89 |
| Gabapentin | Generic | 29 | 23 | $214 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 27 | 17 | $189 |
| Celecoxib | Generic | 17 | 0 | $685 |
| Diclofenac Sodium | Generic | 14 | 0 | $155 |
Frequently asked questions
What is Dr. Jon Onosaki's medical specialty?
Dr. Jon Onosaki practices Physician Assistant in Orange, CA.
Where does Dr. Jon Onosaki practice?
Dr. Jon Onosaki practices at 280 S Main St Ste 200, Orange, CA 928683852. Office phone: 7146344567.
What is Dr. Jon Onosaki's NPI?
Dr. Jon Onosaki's National Provider Identifier (NPI) is 1396059754, issued by NPPES.
Does Dr. Jon Onosaki accept Medicare assignment?
Yes. Dr. Jon Onosaki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jon Onosaki commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg (HCPCS J7329); Established patient office or other outpatient visit (HCPCS 99213); Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (HCPCS J0702). Source: CMS Medicare Physician & Other Practitioners file.