Shannon Oien, N.P.
NPI 1568484723 · Nurse Practitioner · Loma Linda, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shannon Oien, N.P. is a Nurse Practitioner provider in Loma Linda, CA (NPI 1568484723).
Provider details
- NPI number
- 1568484723
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- NP8298 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
785 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 162 | $110 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 140 | $12 |
| Urinalysis, Manual Test81002 | 136 | $3 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 98 | $79 |
| Simple Change of Bladder Tube51705 | 53 | $86 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 49 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 183 | 57 |
| Methenamine Hippurate | 91 | 21 |
| Finasteride | 74 | 30 |
| Vibegronbrand: Gemtesa | 52 | 17 |
| Solifenacin Succinate | 42 | 18 |
| Oxybutynin Chloride | 38 | 14 |
| Mirabegronbrand: Myrbetriq | 28 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$832 across 15 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2022-05-24
- Certified
- 2022-05-24
Frequently asked questions
- What is Shannon Oien's NPI number?
- Shannon Oien's National Provider Identifier (NPI) is 1568484723, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Oien's specialty?
- Shannon Oien is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Shannon Oien located?
- Shannon Oien's practice location on file with NPPES is 11370 Anderson St, Loma Linda, CA 92354-3450.
- What is Shannon Oien's phone number?
- The practice phone number listed in the NPPES registry for Shannon Oien is (909) 558-2830.
- Does Shannon Oien accept Medicare?
- Shannon Oien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shannon Oien's NPI active?
- Yes — Shannon Oien's NPI (1568484723) is active in the NPPES registry as of the last update on 2022-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.