MARGARET J LEWIS MS
NPI 1477585156
Audiologist in San Diego, CA
About Margaret J Lewis Ms NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET J LEWIS MS (NPI 1477585156) is an individual audiologist in San Diego, California, licensed in California (AU1766) and active in the NPI registry since July 2006. She is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Margaret J Lewis Ms is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Margaret Lewis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bakersfield, CA 93309
- Reassigned Medicare billing, California enrollment
- 23 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Margaret Lewis's NPI number?
The NPI number for Margaret Lewis is 1477585156. It was assigned to this individual provider in the NPPES registry on July 6, 2006. The provider is also known as Margaret J Rannard.
Where is Margaret Lewis located?
Margaret Lewis practices at 1244 University Ave, San Diego, CA 92103. The listed phone number is (619) 291-0030.
What is Margaret Lewis's specialty?
The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.
Is Margaret Lewis enrolled in Medicare?
Yes. Margaret Lewis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Margaret Lewis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Lewis reassigns Medicare benefits to Hearx West, LLC (Bakersfield, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Margaret Lewis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Margaret Lewis was last updated on January 22, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Margaret J Lewis, MS · NPI 1477585156
Audiologist provider in San Diego, California. Individual provider, active in the CMS NPPES registry since July 6, 2006.
## Identity
- **NPI:** 1477585156 (Entity type: Individual)
- **Enumerated:** July 6, 2006
- **Primary specialty:** Audiologist · taxonomy 231H00000X
- **State license:** AU1766 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1244 UNIVERSITY AVE, San Diego, CA 92103-3312
- **Phone:** (619) 291-0030 · **Fax:** (619) 291-0095
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Hearx West, LLC (NPI 1356398598, Bakersfield, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** January 22, 2009
- **Other identifiers:** Medicare PIN WAU1766C (CA); Medicare PIN WAU1766B (CA); Medicare PIN WAU1766A (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1477585156) · Data from the CMS NPPES public registry.