NPPES file of Aug 9, 2026

Casey Heidohrn, AUD

Audiologist-Hearing Aid Fitter · Palo Alto, CA

Casey Heidohrn, AUD is an audiologist-hearing aid fitter with a practice address in Palo Alto, California, and NPI 1750867875, issued on Jul 11, 2018. Check the license (California AU3324, 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
1750867875
Name
Casey Heidohrn
Credential
AUD
Primary taxonomy
Audiologist-Hearing Aid Fitter 237600000X
License numbers
AU3324 CA
3324 CA
Self-reported in NPPES; status is on the state search
Practice location
2452 Watson CT Ste 1500, Palo Alto, CA 94303
Phone
(650) 498-4327
Enumerated
Jul 11, 2018
Record last updated
May 9, 2022
Fax
(650) 736-4327
Medicare enrollment
Enrolled (PECOS I20191119000261); 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-hearing aid fitter records → All 421 in California → Look up another NPI →

Also registered at 2452 Watson CT Ste 1500

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

  1. Veronica Koo, AUDAudiologist-Hearing Aid Fitter1265059216
  2. Elizabeth Nance, AU.D.Audiologist1528581600
  3. Chi Tran, AUDAudiologist1841984614
  4. Claire Umeda, AUDAudiologist1801365580

Verify Casey Heidohrn 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 AU3324    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. Center For Early Intervention ON DeafnessBerkeley, CA

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

Casey Heidohrn among 421 audiologist-hearing aid fitter records in California

Casey Heidohrn, AUD is one of 421 audiologist-hearing aid fitter records with a practice address in California. 18% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 78% of them.

  • NPI issued2018 · 78% of these records are older, 18% newer
  • In a Medicare fileYes · 18% of these records are
  • In the CMS Doctors and Clinicians fileYes · 25% of these records are
  • Graduated2018 · median 2009 among the 107 with a school on file
  • Record last updated2022 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 237600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist-Hearing Aid Fitter providers in California

There are 421 audiologist-hearing aid fitter records in California.

All 421 in California → Every provider in Palo Alto → Audiologist-Hearing Aid Fitter nationwide →

The 8 audiologist-hearing aid fitter records with the nearest ZIP codes

  1. Veronica Koo, AUDPalo Alto, CA 943031265059216
  2. Jwala Rejimon, AUDPalo Alto, CA 943031437021094
  3. Kisal Joseph, AU.D.Palo Alto, CA 943011407490493
  4. Jenifer Daganzo, AU.D.San Francisco, CA 941321629268917
  5. Janet RangelSan Francisco, CA 941211033871272
  6. Tia Carroll, M.S. CCC-ASan Francisco, CA 941181336200534
  7. Geleeza Joy IdolyantesSan Francisco, CA 941181447816129
  8. Emily KaySan Francisco, CA 941181043888092

Common questions

What is Casey Heidohrn, AUD's NPI number?

Casey Heidohrn, AUD's National Provider Identifier (NPI) is 1750867875, issued on Jul 11, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Casey Heidohrn, AUD located?

The NPPES record lists a practice address at 2452 Watson CT Ste 1500, Palo Alto, CA, 94303. Phone: (650) 498-4327. Providers update this record themselves, so call before visiting.

How can I verify Casey Heidohrn, AUD's license?

NPPES lists California license number AU3324, 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.