NPPES file of Aug 9, 2026

Steven Piper, PA

Physician Assistant · Oxnard, CA

Steven Piper, PA is a physician assistant with a practice address in Oxnard, California, and NPI 1063178739, issued on Nov 16, 2021. Check the license (California PA60563, 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
1063178739
Name
Steven Piper
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA60563 CA
Self-reported in NPPES; status is on the state search
Practice location
801 Cooper RD, Oxnard, CA 93030
Phone
(805) 330-8100
Enumerated
Nov 16, 2021
Record last updated
Jan 5, 2022
Fax
(805) 240-7383
Medicare enrollment
Enrolled (PECOS I20220110001256); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 801 Cooper RD

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

  1. Alyssa Marie Ayudante, PA-CPhysician Assistant1922849116
  2. Amirhossein BahadorGeneral Practice Dentistry1689494965
  3. Nicole DiepDentist1902583149
  4. Michelle Dore, FNP-CFamily Nurse Practitioner1417821547
  5. Emily Ewing, FNPFamily Nurse Practitioner1386388858
  6. Saul GarayMental Health Counselor1629823448

Verify Steven Piper 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 PA60563
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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35% fewer Medicare Part D claims than the average physician assistant in 2024

541 Medicare Part D claims for 110 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Steven Piper541
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium58 claims
  2. Metformin Hcl32 claims
  3. Amlodipine Besylate30 claims
  4. Lisinopril26 claims
  5. Omeprazole22 claims
  6. Januvia18 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.

Bills Medicare through one group practice

  1. Carbon Health Medical Group OF California PCLos Angeles, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Steven Piper among 14,451 physician assistant records in California

Steven Piper, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 67% of them.

  • NPI issued2021 · 67% of these records are older, 27% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2021 · median 2018 among the 7,214 with a school on file
  • Record last updated2022 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

69 physician assistant records list a practice address in Oxnard

They are 69 of the 3,211 NPPES records with a practice address in Oxnard, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Andrew Armstrong, PA-C, MPASOxnard, CA 930301306196316
  2. Nicolas Dejong, PA-COxnard, CA 930301902204803
  3. Joanne Deprisco, P.A.Oxnard, CA 930301275627358
  4. Michelle Fishman, PA-COxnard, CA 930301689838609
  5. Alexander Jonusas, PA-COxnard, CA 930301427275833
  6. Kathryn Lynch, PA-COxnard, CA 930301194011973
  7. Julie Morantz, PA-COxnard, CA 930301457611667
  8. Janis Parkhurst, PA-COxnard, CA 930301861435067

Common questions

What is Steven Piper, PA's NPI number?

Steven Piper, PA's National Provider Identifier (NPI) is 1063178739, issued on Nov 16, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Steven Piper, PA located?

The NPPES record lists a practice address at 801 Cooper RD, Oxnard, CA, 93030. Phone: (805) 330-8100. Providers update this record themselves, so call before visiting.

How can I verify Steven Piper, PA's license?

NPPES lists California license number PA60563, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Steven Piper, PA prescribe under Medicare Part D?

In 2024, Steven Piper, PA had 541 Medicare Part D claims for 110 beneficiaries; the average among physician assistant prescribers was 830. 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.

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.