NPPES file of Aug 9, 2026

Raymond Garr Crookston, AU.D.

Audiologist-Hearing Aid Fitter · Oakland, CA

Raymond Garr Crookston, AU.D. is an audiologist-hearing aid fitter with a practice address in Oakland, California, and NPI 1538206842, issued on Jan 30, 2007. Check the license (California 2148, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538206842
Name
Raymond Garr Crookston
Credential
AU.D.
Primary taxonomy
Audiologist-Hearing Aid Fitter 237600000X
License number
2148 CA
Self-reported in NPPES; status is on the state search
Practice location
3346 Lakeshore Ave, Oakland, CA 94610
Phone
(510) 444-9771
Enumerated
Jan 30, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(510) 444-9773
Medicare enrollment
Enrolled (PECOS I20040827000856); 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 3346 Lakeshore Ave

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

  1. Courtney Cook, AU.D.Audiologist1043680788

Verify Raymond Garr Crookston 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 2148    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

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Raymond Garr Crookston among 421 audiologist-hearing aid fitter records in California

Raymond Garr Crookston, AU.D. 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 not. Its NPI, issued in 2007, is newer than 26% of them.

  • NPI issued2007 · 26% of these records are older, 55% newer
  • In a Medicare fileNo · 18% of these records are
  • In the CMS Doctors and Clinicians fileYes · 25% of these records are
  • Graduated2002 · median 2009 among the 107 with a school on file
  • Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

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

  1. Larrain Bratt, AUDOakland, CA 946111265592299
  2. Nicole Denny, AUDOakland, CA 946091477031649
  3. Lisa Rose, AU.D.Oakland, CA 946111851741151
  4. Heather Stenger, AU.D.Oakland, CA 946091598276883
  5. Valerie Fitzgibbons, MA CCCAWalnut Creek, CA 945981003955147
  6. Margaret Devane, MSWalnut Creek, CA 945961912051392
  7. Heather Gemmer, M.A., CCC-AWalnut Creek, CA 945961932263480
  8. Mary Helwig, MA, AUD, CCCAWalnut Creek, CA 945961720145642

Common questions

What is Raymond Garr Crookston, AU.D.'s NPI number?

Raymond Garr Crookston, AU.D.'s National Provider Identifier (NPI) is 1538206842, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Raymond Garr Crookston, AU.D. located?

The NPPES record lists a practice address at 3346 Lakeshore Ave, Oakland, CA, 94610. Phone: (510) 444-9771. Providers update this record themselves, so call before visiting.

How can I verify Raymond Garr Crookston, AU.D.'s license?

NPPES lists California license number 2148, 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. 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.