ORIESA WIYONO OEIJ (PA-C) – Emergency Medical Services (Emergency Medicine) Physician, NPI 1568020428
Emergency Medical Services (Emergency Medicine) Physician
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Profile Insights
NPPES metrics only — not quality of care.
10,570 PHYSICIAN ASSISTANT in CA
Provider Addresses for ORIESA WIYONO OEIJ (PA-C)
4510 Executive Dr STE 215
San Diego, CA 921213023
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
910 Sycamore Ave Ste 270
Vista, CA 920817852
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
16950 Via Tazon
San Diego, CA 921271607
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
203 W F St
San Diego, CA 921016016
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
1511, East Everglade Avenue, Fresno, Fresno County, California, 93720, United States
FRESNO, CA 937201930
Phone: (559) 403-8373
Type: Mailing
2295 Otay Lakes Rd Ste 110
Chula Vista, CA 919151160
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
6030 Village Way Ste 200
San Diego, CA 921302973
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
Corona Regional Medical Center, 800, South Main Street, Corona, Riverside County, California, 92879, United States
CORONA, CA 928823420
Phone: (559) 403-8373
Type: Location
2185 CITRACADO PKWY
ESCONDIDO, CA 920294159
Phone: (442) 281-1072
Type: Location
FILE 57326
LOS ANGELES, CA 900747326
Phone:
Type: Mailing
1505 ENCINITAS BLVD
ENCINITAS, CA 920242933
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2020-01-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20200106001477 | I | Physician Assistant | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 153 | 150 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 20 | 20 | $0 |
| G0008 | Administration of influenza virus vaccine | 20 | 20 | $0 |
| 90694 | Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 17 | 17 | $0 |
| 87635 | Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 16 | 16 | $0 |
Insurance plans in this area (ZIP 92121)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | CA | |
| Clinical Social Worker | CA | |
| Physician Assistant | IL | |
| Nurse Practitioner | CA | |
| Internal Medicine | NV | |
| Nurse Practitioner | CA | |
| Internal Medicine, Hospice/Palliative Care | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| - | CA |
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