NPPES file of Aug 9, 2026

Charles Ruby, AU.D.

Audiologist · San Diego, CA

Charles Ruby, AU.D. is an audiologist with a practice address in San Diego, California, and NPI 1053864009, issued on Jul 26, 2016. Check the license (California AU 3131, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053864009
Name
Charles Ruby
Credential
AU.D.
Primary taxonomy
Audiologist 231H00000X
License number
AU 3131 CA
Self-reported in NPPES; status is on the state search
Practice location
200 W Arbor Dr, San Diego, CA 92103
Phone
(800) 926-8273
Enumerated
Jul 26, 2016
Record last updated
May 16, 2023
Fax
(888) 539-8781
Medicare enrollment
Enrolled (PECOS I20181214001979); 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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8 nearest audiologist records → All 1,561 in California → Look up another NPI →

Also registered at 200 W Arbor Dr

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

  1. Alison A'Court, MDAnesthesiology Physician1912218199
  2. Benjamin Abbadessa, M.D.Colon & Rectal Surgery Physician1255593612
  3. Geraldine Abcede, RNCertified Registered Nurse Anesthetist1982384046
  4. Joseph Abdelmalek, M.DNephrology Physician1740485531
  5. Kristy AbelCertified Registered Nurse Anesthetist1962113035
  6. Paula Abeleda, NPFamily Nurse Practitioner1558945022

Verify Charles Ruby 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 AU 3131    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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Bills Medicare through one group practice

  1. Regents OF The University OF CaliforniaSan Diego, CA

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

Charles Ruby among 1,561 audiologist records in California

Charles Ruby, AU.D. is one of 1,561 audiologist records with a practice address in California. 23% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 60% of them.

  • NPI issued2016 · 60% of these records are older, 38% newer
  • In a Medicare fileYes · 23% of these records are
  • In the CMS Doctors and Clinicians fileYes · 28% of these records are
  • Graduated2016 · median 2014 among the 433 with a school on file
  • Record last updated2023 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist providers in California

There are 1,561 audiologist records in California.

All 1,561 in California → Every provider in San Diego → Audiologist nationwide →

The 8 audiologist records with the nearest ZIP codes

  1. Patricia BairdSan Diego, CA 921031083827778
  2. Amy Ferrall-Pack, AUDSan Diego, CA 921031184943672
  3. Genevieve Harris, M.A.San Diego, CA 921031871525493
  4. Renee Landon-Lane, AUDSan Diego, CA 921031053084715
  5. Michelle LapidSan Diego, CA 921031700300308
  6. Margaret Lewis, MSSan Diego, CA 921031477585156
  7. Leah Malish, CCC-ASan Diego, CA 921031831245547
  8. Anne NievesSan Diego, CA 921031881807576

Common questions

What is Charles Ruby, AU.D.'s NPI number?

Charles Ruby, AU.D.'s National Provider Identifier (NPI) is 1053864009, issued on Jul 26, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Charles Ruby, AU.D. located?

The NPPES record lists a practice address at 200 W Arbor Dr, San Diego, CA, 92103. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.

How can I verify Charles Ruby, AU.D.'s license?

NPPES lists California license number AU 3131, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.