Doctor profile · Federal record

Dr. Ryan Nakasone, D.C., P.A.-C

Physician Assistant · Chiropractor · Oxnard, CA

  • NPI 1043207459
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1901 Outlet Center Dr Ste 210
Oxnard, CA 930360666
(805) 983-0425
fax (805) 983-0414

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
March 31, 2026
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
California #PA22126 · California #DC-24909

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043207459. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,472
Transactions
129
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
BIOTRONIK NRO, Inc. 32 $1,209.54
ABBVIE INC. 22 $573.31
Collegium Pharmaceutical, Inc. 21 $271.43
Medtronic, Inc. 4 $225.37
VERTEX PHARMACEUTICALS INCORPORATED 3 $181.82
IBSA Pharma Inc. 22 $137.19
Lundbeck LLC 6 $127.42
Salix Pharmaceuticals, a division of Bausch Health US, LLC 5 $101.69
Abbott Laboratories 1 $101.36
Saluda Medical Americas, Inc. 1 $90.61
Azurity Pharmaceuticals, Inc. 4 $87.41
Nalu Medical, Inc. 1 $67.40
PFIZER INC. 2 $51.06
Boston Scientific Corporation 3 $50.05
Fidia Pharma USA Inc. 2 $38.89

By nature of payment

Food and Beverage
$3,472

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,759
Patients
584
Total drug cost
$243,034
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 1,192 144 $37,119
Gabapentin Generic 388 65 $5,329
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 336 42 $10,755
Oxycodone Hcl Generic 328 50 $7,721
Pregabalin Generic 190 41 $6,155
Buprenorphine Generic 189 42 $54,543
Tramadol Hcl Generic 186 43 $1,625
Belbuca (Buprenorphine Hcl) Brand 183 26 $110,342
Cyclobenzaprine Hcl Generic 141 24 $648
Baclofen Generic 121 21 $1,676

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Nakasone's medical specialty?
Dr. Ryan Nakasone practices Physician Assistant in Oxnard, CA.
Where does Dr. Ryan Nakasone practice?
Dr. Ryan Nakasone practices at 1901 Outlet Center Dr Ste 210, Oxnard, CA 930360666. Office phone: 8059830425.
What is Dr. Ryan Nakasone's NPI?
Dr. Ryan Nakasone's National Provider Identifier (NPI) is 1043207459, issued by NPPES.
Does Dr. Ryan Nakasone accept Medicare assignment?
Yes. Dr. Ryan Nakasone accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.