NPPES file of Aug 9, 2026

Katherine Richman Salkin, AU. D.

Audiologist · San Mateo, CA

Katherine Richman Salkin, AU. D. is an audiologist with a practice address in San Mateo, California, and NPI 1811051295, issued on Dec 20, 2006. Check the license (California AU2409, 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
1811051295
Name
Katherine Richman Salkin
Credential
AU. D.
Primary taxonomy
Audiologist 231H00000X
License number
AU2409 CA
Self-reported in NPPES; status is on the state search
Practice location
100 S Ellsworth Ave, San Mateo, CA 94401
Phone
(650) 579-4470
Enumerated
Dec 20, 2006
Record last updated
Oct 21, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20220912002707); 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 100 S Ellsworth Ave

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

  1. John BradshawPsychologist1144395815
  2. Ru ChenStudent in an Organized Health Care Education/Training Program1588958672
  3. Yun - Chih Chen, AU.D.Audiologist1740524602
  4. Rebecca ForrestPhysician Assistant1306293048
  5. Sylvie GalerneauDentist1417220898
  6. Laurel King, PAPhysician Assistant1508954132

Verify Katherine Richman Salkin 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 AU2409
    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. Ent Specialists, IncBrockton, MA

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

Audiologist providers in California

There are 1,561 audiologist records in California.

Other audiologist records in California

  1. Edward Abalos, AU.D.Long Beach, CA1447445986
  2. Cassandra Abbinanti, AUDPomona, CA1619747466
  3. Debra Abel, AU.D.Poway, CA1073519955
  4. Kasra Abolhosseini, AUDTustin, CA1083123129
  5. Janely Abootorabi, AU.D.Santa Clara, CA1588236483
  6. Maria Abramson, AU.DSan Juan Capistrano, CA1396079851
  7. Amanda Abrisch, AUDLa Jolla, CA1780966903
  8. Zachary Abt, AUDPasadena, CA1790522712
  9. Rachel Abucasis, AUDLos Angeles, CA1659090231
  10. Reid AdamsVisalia, CA1184897324

Common questions

What is Katherine Richman Salkin, AU. D.'s NPI number?

Katherine Richman Salkin, AU. D.'s National Provider Identifier (NPI) is 1811051295, issued on Dec 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Richman Salkin, AU. D. located?

The NPPES record lists a practice address at 100 S Ellsworth Ave, San Mateo, CA, 94401. Phone: (650) 579-4470. Providers update this record themselves, so call before visiting.

How can I verify Katherine Richman Salkin, AU. D.'s license?

NPPES lists California license number AU2409, 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.

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.