NPPES file of Aug 9, 2026

John Arriola, MD

Surgery Physician · Los Banos, CA

John Arriola, MD is a surgery physician with a practice address in Los Banos, California, and NPI 1518527944, issued on Jun 18, 2019. Check the license (California A181199, as entered in NPPES) on the Medical Board of California; 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
1518527944
Name
John Arriola
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
A181199 CA
Self-reported in NPPES; status is on the state search
Practice location
807 Illinois Ave, Los Banos, CA 93635
Phone
(209) 710-8695
Enumerated
Jun 18, 2019
Record last updated
Oct 7, 2025
Fax
(888) 308-5480
Medicare enrollment
Enrolled (PECOS I20251103003619); accepts Medicare assignment
Medical or professional school
University Of Oklahoma College Of Medicine, 2019
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 807 Illinois Ave

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

  1. Abhijit Shaligram, MDSurgery Physician1063594653
  2. Walker Wynkoop, M.D.Orthopaedic Surgery Physician1760580427

Verify John Arriola in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A181199
    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
Open 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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56% fewer Medicare Part D claims than the average surgery physician in 2024

65 Medicare Part D claims for 37 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 25 claims were for opioids.

  1. John Arriola65
  2. Specialty average147

Most prescribed

  1. Oxycodone Hcl24 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.

Industry payments in 2024: $82.28

1 payment: food and beverage; the largest payer was Davol Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Arriola$82.28
  2. Specialty average$3,513.80

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Acute Care Surgery Medical Group IncLos Banos, CA
  2. Surgical Affiliates OF CaliforniaLos Banos, CA

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

John Arriola among 3,118 surgery physician records in California

John Arriola, MD is one of 3,118 surgery physician 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 2019, is newer than 91% of them.

  • NPI issued2019 · 91% of these records are older, 6% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2019 · median 2003 among the 1,901 with a school on file
  • Record last updated2025 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in California

There are 3,118 surgery physician records in California.

The 8 surgery physician records with the nearest ZIP codes

  1. Abhijit Shaligram, MDLos Banos, CA 936351063594653
  2. Muhammad Anwar, MDMadera, CA 936371477632651
  3. Mohammad ArainMadera, CA 936371457386294
  4. Ghassan Bachir, MDMadera, CA 936371225081789
  5. Stephen De Santis, MDMadera, CA 936371366442584
  6. Rame Iberdemaj, MDMadera, CA 936371922294453
  7. Renee Carter Owens, M.D.Dinuba, CA 936181891816146
  8. Y Spivak, M.D.Dinuba, CA 936181780617217

Common questions

What is John Arriola, MD's NPI number?

John Arriola, MD's National Provider Identifier (NPI) is 1518527944, issued on Jun 18, 2019. An NPI identifies a provider in billing; it is not a license.

Where is John Arriola, MD located?

The NPPES record lists a practice address at 807 Illinois Ave, Los Banos, CA, 93635. Phone: (209) 710-8695. Providers update this record themselves, so call before visiting.

How can I verify John Arriola, MD's license?

NPPES lists California license number A181199, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Arriola, MD prescribe under Medicare Part D?

In 2024, John Arriola, MD had 65 Medicare Part D claims for 37 beneficiaries; the average among surgery physician prescribers was 147. 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.