NPPES file of Aug 9, 2026

Ryan Michael Oconnell

Medical Physician Assistant · Santa Ana, CA

Ryan Michael Oconnell is a medical physician assistant with a practice address in Santa Ana, California, and NPI 1134770811, issued on Sep 24, 2019. Check the license (California PA58938, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134770811
Name
Ryan Michael Oconnell
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
PA58938 CA
Self-reported in NPPES; status is on the state search
Practice location
1401 W 1St St, Santa Ana, CA 92703
Phone
(714) 542-9700
Enumerated
Sep 24, 2019
Record last updated
Jul 8, 2025
Fax
(714) 542-9708
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →

Also registered at 1401 W 1St St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Anna Kim, PA-CMedical Physician Assistant1083098099

Verify Ryan Michael Oconnell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA58938    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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86% fewer Medicare Part D claims than the average medical physician assistant in 2024

156 Medicare Part D claims for 77 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.

  1. Ryan Oconnell156
  2. Specialty average1,148

Most prescribed

  1. Azithromycin31 claims
  2. Ibuprofen21 claims
  3. Prednisone18 claims
  4. Amoxicillin-Clavulanate Potass12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Ryan Michael Oconnell among 3,376 medical physician assistant records in California

Ryan Michael Oconnell is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 74% of them.

  • NPI issued2019 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2025 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in California

There are 3,376 medical physician assistant records in California.

All 3,376 in California → Every provider in Santa Ana → Medical Physician Assistant nationwide →

The 8 medical physician assistant records with the nearest ZIP codes

  1. Lisa ChauSanta Ana, CA 927031487257366
  2. Nancy Garrettt, P.A.Santa Ana, CA 927031881732741
  3. Anna Kim, PA-CSanta Ana, CA 927031083098099
  4. Darlene Topacio, P.A.Santa Ana, CA 927031528129095
  5. Julie Tran, PHYSICIAN ASSISTANTSanta Ana, CA 927031487785663
  6. Nora Bebawi, MSPA-CSanta Ana, CA 927041215051974
  7. Rhian Deguzman, PA-CSanta Ana, CA 927041417263658
  8. Triet Nguyen, PA-CSanta Ana, CA 927041619167558

Common questions

What is Ryan Michael Oconnell's NPI number?

Ryan Michael Oconnell's National Provider Identifier (NPI) is 1134770811, issued on Sep 24, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Michael Oconnell located?

The NPPES record lists a practice address at 1401 W 1St St, Santa Ana, CA, 92703. Phone: (714) 542-9700. Providers update this record themselves, so call before visiting.

How can I verify Ryan Michael Oconnell's license?

NPPES lists California license number PA58938, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Ryan Michael Oconnell prescribe under Medicare Part D?

In 2024, Ryan Michael Oconnell had 156 Medicare Part D claims for 77 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.