Rufina Onumajuru
NPI 1922760321 · Nurse Practitioner · Bakersfield, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rufina Onumajuru is a Nurse Practitioner provider in Bakersfield, CA (NPI 1922760321).
Provider details
- NPI number
- 1922760321
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- NP95015559 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
4 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
74 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 74 | $108 |
Typical Medicare-allowed amounts for these services range $108–$108 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 75 | 25 |
| Levothyroxine Sodium | 71 | 22 |
| Simvastatin | 61 | 12 |
| Hydrochlorothiazide | 56 | 26 |
| Atorvastatin Calcium | 52 | 21 |
| Amlodipine Besylate | 46 | 20 |
| Lisinopril | 40 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (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
- 2021-10-13
- Last updated
- 2021-10-13
- Certified
- 2021-10-13
Frequently asked questions
- What is Rufina Onumajuru's NPI number?
- Rufina Onumajuru's National Provider Identifier (NPI) is 1922760321, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rufina Onumajuru's specialty?
- Rufina Onumajuru is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rufina Onumajuru located?
- Rufina Onumajuru's practice location on file with NPPES is 8325 Brimhall Rd Ste 100, Bakersfield, CA 93312-2245.
- What is Rufina Onumajuru's phone number?
- The practice phone number listed in the NPPES registry for Rufina Onumajuru is (661) 587-2468.
- Does Rufina Onumajuru accept Medicare?
- Rufina Onumajuru is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rufina Onumajuru's NPI active?
- Yes — Rufina Onumajuru's NPI (1922760321) is active in the NPPES registry as of the last update on 2021-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.