Obianuju Rivera, FNP
Obianuju Rivera, FNP is a Psychiatric/Mental Health Nurse Practitioner in Riverside, CA, registered under NPI 1003104167. This provider registers 2 separate taxonomy codes, which usually means they practise across more than one recognised specialty.
Getting there
Here is what surrounds this office in Riverside, based on OpenStreetMap data collected Sep 5, 2026. Parking is available about 986 ft away. There is EV charging 658 ft from the office — useful if you are driving in from out of town. The nearest transit stop is 362 ft away. A pharmacy sits 0.31 mi from the entrance (CVS Pharmacy), which helps if you leave with a prescription. If you arrive early, there is a coffee shop 904 ft away.
Getting here and what is nearby
Transit 109 ft ~1 min
Transit 265 ft ~2 min
Transit 362 ft ~2 min
Restaurant Palenque Kitchen by Mezcal 407 ft ~2 min
3737 STE 101 Main Street, 92501
Su-Mo 11:00-21:00; Tu 11:00-22:00; We-Th 17:00-22:00; Fr-Sa 11:00-01:00
Restaurant Antonious Pizza Cafe 443 ft ~2 min
3737 Main Street, 92501
Mo-Th 10:30-21:00; Fr-Sa 10:30-22:00; Su 12:30-21:00
EV charging Tesla Supercharger 457 ft ~2 min
Coffee The Coffee Bean & Tea Leaf 519 ft ~2 min
3712 Mission Inn Avenue, Riverside 92501
Mo-Su 06:00-20:00
Restaurant Le Chat Noir 519 ft ~2 min
Coffee Arcade Downtown 633 ft ~3 min
3870 #101 Main Street, Riverside 92501
Mo-Su 07:00-16:00
EV charging 658 ft ~3 min
Parking 788 ft ~3 min
3737 Orange Street, Riverside
Parking 828 ft ~4 min
3851 Orange Street, Riverside
Coffee Beignet Spot 904 ft ~4 min
4019 Market Street, 92501
Mo-We 08:00-17:00; Th-Sa 08:00-19:00; Su 09:00-15:00
Grocery Maxi Foods Market 944 ft ~4 min
Parking 986 ft ~4 min
3901 9th Street
Hotel Hampton Inn Riverside Downtown 0.20 mi ~5 min
Hotel Hyatt Place 0.21 mi ~5 min
Hotel Home2 Suites by Hilton Riverside Downtown 0.22 mi ~5 min
Pharmacy CVS Pharmacy 0.31 mi ~7 min
Grocery Clark’s Nutrition and Natural Foods Market 0.33 mi ~7 min
4225 Market Street, Riverside 92501
Mo-Fr 08:00-20:00; Sa-Su 08:00-19:00
Convenience Riverside Market 0.44 mi ~9 min
3225 #105 Market Street, 92501
Mo-Sa 07:00-23:00; Su 09:00-23:00
Gas station Speedway Gas 0.44 mi ~9 min
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 20775 | CA | Family Nurse Practitioner |
| 20775 | CA | Psychiatric/Mental Health Nurse… primary |
This provider holds licence 20775 issued in CA. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
- Status
- Approved
- Provider type
- Practitioner - Nurse Practitioner
- PAC ID
- 2961660311
- Enrollment ID
- I20120215000289
Medicare enrolment is recorded as approved under the provider type Practitioner - Nurse Practitioner. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.
What Psychiatric/Mental Health covers
Definition to come... NUCC Health Care Provider Taxonomy, code 363LP0808X
All registered taxonomy codes
This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 363LF0000X | Family Nurse Practitioner Family | 20775 | CA | |
| 363LP0808X | Psychiatric/Mental Health Nurse Practitioner Psychiatric/Mental Health | 20775 | CA | primary |
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1003104167 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jul 11, 2011 |
| Last updated | Jun 20, 2023 |
| Status | Active |
| Sole proprietor | No |
| Gender | Female |
| Credential | FNP |
| Practice address |
3801 UNIVERSITY AVE STE 270 Riverside, CA 92501 (855) 427-2778 Fax (951) 530-3997 |
| Mailing address |
3835 N FREEWAY BLVD STE 100 Sacramento, CA 95834 |
| Other names |
Uju Rivera Other Name |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 3 | 1 | 0 | 4 | 1 | 6 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 2 | 0 | 8 | 1 | 3 |
Sum = 43 · next multiple of 10 = 50 · check digit = 7 · actual last digit = 7
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.