NPPES file of Aug 9, 2026

John Charles Arnold, MD

Pediatric Infectious Diseases Physician · San Diego, CA

John Charles Arnold, MD is a pediatric infectious diseases physician with a practice address in San Diego, California, and NPI 1023191053, issued on Oct 23, 2006. Check the license (California A70189, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023191053
Name
John Charles Arnold
Credential
MD
Primary taxonomy
Pediatric Infectious Diseases Physician 2080P0208X
License number
A70189 CA
Self-reported in NPPES; status is on the state search
Practice location
34800 Bob Wilson Dr, San Diego, CA 92134
Phone
(619) 532-5953
Enumerated
Oct 23, 2006
Record last updated
Aug 18, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20201208002583); 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 34800 Bob Wilson Dr

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

  1. Jose Acosta, MDSurgical Critical Care Physician1861418618
  2. Nehkonti Adams, M.D.Infectious Disease Physician1194985705
  3. Maryam Adebayo, APRN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1346799269
  4. Caleb Adkins, DOGeneral Practice Physician1689430860
  5. Kyle Adkins, PHARMDPharmacist1477740884
  6. Phillip Adriano, M.D.Emergency Medicine Physician1568576585

Verify John Charles Arnold in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A70189
    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

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Bills Medicare through one group practice

  1. Rady Children's Hospital San DiegoSan Diego, CA

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

Pediatric Infectious Diseases Physician providers in California

There are 161 pediatric infectious diseases physician records in California.

Other pediatric infectious diseases physician records in California

  1. Bradley Ackerson, MDHarbor City, CA1255490918
  2. Kristina Adachi, MDLos Angeles, CA1366603144
  3. Ruzan Adams, MDPalo Alto, CA1932668191
  4. Felice Adler-Shohet, M.D.Orange, CA1962513051
  5. Ayesha Ahmed, MDMoreno Valley, CA1770003519
  6. Grace Aldrovandi, MDLos Angeles, CA1225122906
  7. Manuel Amieva, MD,PHDPalo Alto, CA1861527095
  8. Vikram Anand, M.D., PH.D.West Hollywood, CA1184941809
  9. Eva Archer, MD, PHDPalo Alto, CA1699301663
  10. Mose Arditi, M.D.Los Angeles, CA1154308062

Common questions

What is John Charles Arnold, MD's NPI number?

John Charles Arnold, MD's National Provider Identifier (NPI) is 1023191053, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Charles Arnold, MD located?

The NPPES record lists a practice address at 34800 Bob Wilson Dr, San Diego, CA, 92134. Phone: (619) 532-5953. Providers update this record themselves, so call before visiting.

How can I verify John Charles Arnold, MD's license?

NPPES lists California license number A70189, 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.

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.