Akinwunmi Oni-Orisan, MD
NPI 1831414770 · Neurological Surgery Physician · Oxnard, CA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Akinwunmi Oni-Orisan, MD is a Neurological Surgery Physician provider in Oxnard, CA (NPI 1831414770).
Provider details
- NPI number
- 1831414770
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R1095 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,188 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 204 | $126 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 162 | $184 |
| Critical Care, First 30-74 Minutes99291 | 156 | $225 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 132 | $143 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 75 | $239 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,718 across 32 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
Additional practice locations (3)
- 2403 Castillo St Ste 203Santa Barbara, CA 93105-5316Phone: (805) 823-6688
- 2323 De La Vina St Ste 205Santa Barbara, CA 93105-3879Phone: (805) 988-2775Fax: (805) 278-1220
- 316 S Stratford Ave Ste BSanta Maria, CA 93454-5908Phone: (805) 332-8446Fax: (805) 332-8483
Registry dates
- Enumerated
- 2010-04-04
- Last updated
- 2025-01-03
- Certified
- 2025-01-03
Frequently asked questions
- What is Akinwunmi Oni-Orisan's NPI number?
- Akinwunmi Oni-Orisan's National Provider Identifier (NPI) is 1831414770, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Akinwunmi Oni-Orisan's specialty?
- Akinwunmi Oni-Orisan is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Akinwunmi Oni-Orisan located?
- Akinwunmi Oni-Orisan's practice location on file with NPPES is 1700 N Rose Ave Ste 470, Oxnard, CA 93030-7659.
- What is Akinwunmi Oni-Orisan's phone number?
- The practice phone number listed in the NPPES registry for Akinwunmi Oni-Orisan is (805) 988-2775.
- Does Akinwunmi Oni-Orisan accept Medicare?
- Akinwunmi Oni-Orisan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Akinwunmi Oni-Orisan's NPI active?
- Yes — Akinwunmi Oni-Orisan's NPI (1831414770) is active in the NPPES registry as of the last update on 2025-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.