DR. RYAN H NAKASONE (D.C., P.A.-C) – Physician Assistant, NPI 1043207459

DR. RYAN H NAKASONE (D.C., P.A.-C) is a healthcare provider. based in Oxnard, California. specializing in PHYSICIAN ASSISTANT. They hold the professional credentials D.C., P.A.-C. They hold a License No. PA22126 (CA). The NPI Number for DR. RYAN H NAKASONE (D.C., P.A.-C) is 1043207459

Main info

Male
Sole Proprietor
14 Years Of Experience
Accepts Medicare Assignment
Name
DR. RYAN H NAKASONE (D.C., P.A.-C)
NPI
1043207459
Phone
(805) 983-0425
Address
1901 OUTLET CENTER DR STE 210
Enumeration Date
30 September 2005
Last Update Date
24 April 2026

Doctor Profile

Medical School Name
STANFORD UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
8059830425
Graduation Year
2012 (14 years ago)
PAC ID
1850284472
Group Practice PAC ID
7214435965
Professional Enrollment ID
I20130827000955
Address ID
CA930360666OX1901XDRXX421
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience73
Completeness85
Years active:20State licenses:2Digital endpointsOther names

10,564 PHYSICIAN ASSISTANT in CA

Provider Addresses for DR. RYAN H NAKASONE (D.C., P.A.-C)

  • 1901 OUTLET CENTER DR STE 210

    OXNARD, CA 930360666

    Phone: (805) 983-0425

    Fax: (805) 983-0414

    Type: Location

  • 1100, Paseo Camarillo, Old Town, Camarillo, Ventura County, California, 93010, United States

    CAMARILLO, CA 930106073

    Phone: (805) 895-5984

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 279 Open Payments records for all available years, with a total value of $8,048.

Total Amount is formed as General ($8,048) + Research ($0) + Ownership ($0) = $8,048.

Last reported payment date: 2024-12-18 • Largest payer in this snapshot: BIOTRONIK NRO, Inc. ($1,554).

Total Amount

$8,048

General + Research + Ownership

Payments

279

Total payment records

General Amount

$8,048

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-18

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2013-08-27

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20130827000955IPhysician AssistantCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 93036)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7214435965View full group profile
NameSpecialtyState
N E U R O S U R G E R YCA
N E U R O L O G YCA
Critical Care (Intensivists), Vascular Surgery, Neurosurgery, Vascular SurgeryMN
N E U R O L O G YCA
N E U R O L O G YCA
N E U R O L O G YCA

Reviews

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Frequently asked questions

What NPI should I save for DR. RYAN H NAKASONE (D.C., P.A.-C)?
Save NPI 1043207459 if you need a stable reference for DR. RYAN H NAKASONE (D.C., P.A.-C).
Is DR. RYAN H NAKASONE (D.C., P.A.-C)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What field does DR. RYAN H NAKASONE (D.C., P.A.-C) work in?
You can think of DR. RYAN H NAKASONE (D.C., P.A.-C) as practicing within Physician Assistant. Clinical services aligned with this taxonomy classification.
Where is DR. RYAN H NAKASONE (D.C., P.A.-C)'s primary listing?
We display Oxnard, California because that is what the record indicates for DR. RYAN H NAKASONE (D.C., P.A.-C).
Is DR. RYAN H NAKASONE (D.C., P.A.-C) a real provider?
This page reflects official NPPES data for NPI 1043207459. Always confirm identity and privileges with the practice and licensing boards.

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