Doctor profile · Federal record

Dr. Akinwunmi Oni-Orisan, MD

Neurological Surgery Physician (CMS: Neurosurgery) · Neurological Surgery Physician · Oxnard, CA

  • NPI 1831414770
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
1700 N Rose Ave Ste 470
Oxnard, CA 930307659
(805) 988-2775
fax (805) 278-1220
Additional location
2323 de la Vina St Ste 205
Santa Barbara, CA 931053879
Additional location
2403 Castillo St Ste 203
Santa Barbara, CA 931055316
(805) 823-6688
Show 1 more location
Additional location
316 S Stratford Ave Ste B
Santa Maria, CA 934545908
(805) 332-8446
fax (805) 332-8483

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
January 3, 2025
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207T00000X — NUCC code
State licenses (2)
California #A162144 · Texas #R1095

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831414770. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,312
Distinct HCPCS
10
Medicare allowed
$247,138
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 217 105 $123
99214 Established patient office or other outpatient visit, 30-39 minutes 198 142 $134
99291 Critical care, first 30-74 minutes 163 78 $219
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 150 149 $180
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 123 54 $82
99205 New patient office or other outpatient visit, 60-74 minutes 104 104 $228
36224 Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist 65 60 $442
36226 Insertion of tube into brain artery for diagnosis or treatment with review by radiologist 63 60 $279
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 51 47 $13
36227 Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist 49 48 $158

In context: peer comparison

Among 3 peers in Oxnard Neurological Surgery Physician, average services per provider: 56. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,718
Transactions
32
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Biotronik Nro, INC. 5 $484.32
DePuy Synthes Sales INC. 10 $306.39
Vasorum USA INC. 1 $270.07
Abbott Laboratories 5 $223.40
Boston Scientific Corporation 2 $148.56
Abbvie INC. 3 $98.99
Stryker Corporation 2 $74.72
MicroVention, INC. 1 $36.05
Aesculap, INC. 1 $30.01
Microtransponder, INC. 1 $26.89
Highridge Medical LLC 1 $18.71

By nature of payment

Food and Beverage
$1,718

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Akinwunmi Oni-Orisan's medical specialty?
Dr. Akinwunmi Oni-Orisan practices Neurological Surgery Physician in Oxnard, CA.
Where does Dr. Akinwunmi Oni-Orisan practice?
Dr. Akinwunmi Oni-Orisan practices at 1700 N Rose Ave Ste 470, Oxnard, CA 930307659. Office phone: 8059882775.
What is Dr. Akinwunmi Oni-Orisan's NPI?
Dr. Akinwunmi Oni-Orisan's National Provider Identifier (NPI) is 1831414770, issued by NPPES.
Does Dr. Akinwunmi Oni-Orisan accept Medicare assignment?
Yes. Dr. Akinwunmi Oni-Orisan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Akinwunmi Oni-Orisan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.