Margaret J. Lewis, MS
Audiologist · San Diego, CA
Margaret J. Lewis, MS is an audiologist with a practice address in San Diego, California, and NPI 1477585156, issued on Jul 6, 2006. Check the license (California AU1766, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret J. Lewis
- Credential
- MS
- Primary taxonomy
- Audiologist 231H00000X
- License number
- AU1766 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1244 University Ave, San Diego, CA 92103
- Phone
- (619) 291-0030
- Enumerated
- Jul 6, 2006
- Record last updated
- Jan 22, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (619) 291-0095
- Medicare enrollment
- Enrolled (PECOS I20040810001294); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest audiologist records → All 1,561 in California → Look up another NPI →
Also registered at 1244 University Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Antonio Lacarra, AU.DAudiologist-Hearing Aid Fitter1609814086
Verify Margaret J. Lewis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license AU1766Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Hearx West LLCPoway, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret J. Lewis among 1,561 audiologist records in California
Margaret J. Lewis, MS 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 78% newer
- In a Medicare fileYes · 23% of these records are
- In the CMS Doctors and Clinicians fileYes · 28% of these records are
- Graduated1997 · median 2014 among the 433 with a school on file
- Record last updated2009 · 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
- Patricia BairdSan Diego, CA 921031083827778
- Amy Ferrall-Pack, AUDSan Diego, CA 921031184943672
- Genevieve Harris, M.A.San Diego, CA 921031871525493
- Renee Landon-Lane, AUDSan Diego, CA 921031053084715
- Michelle LapidSan Diego, CA 921031700300308
- Leah Malish, CCC-ASan Diego, CA 921031831245547
- Anne NievesSan Diego, CA 921031881807576
- Charles Ruby, AU.D.San Diego, CA 921031053864009
Common questions
What is Margaret J. Lewis, MS's NPI number?
Margaret J. Lewis, MS's National Provider Identifier (NPI) is 1477585156, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret J. Lewis, MS located?
The NPPES record lists a practice address at 1244 University Ave, San Diego, CA, 92103. Phone: (619) 291-0030. Providers update this record themselves, so call before visiting.
How can I verify Margaret J. Lewis, MS's license?
NPPES lists California license number AU1766, 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.