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ALYSSA M HEISEN
NPI 1659269934
Audiologist in Torrance, CA

Active since June 25, 2025
4201 TORRANCE BLVD STE 140, TORRANCE, CA 90503(310) 540-4327(310) 316-2685 Get Directions Write a Review

NPPES record last updated: June 26, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Alyssa M Heisen NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALYSSA M HEISEN (NPI 1659269934) is an individual audiologist in Torrance, California, licensed in California (AU4021) and active in the NPI registry since June 2025.

NPPES Registry Identity

NPI1659269934
Entity TypeIndividualFemale
Primary Taxonomy231H00000X
Provider Legal NameALYSSA M HEISEN
Location Address4201 TORRANCE BLVD STE 140Torrance, CA 90503-4500
Mailing Address4201 Torrance Blvd Ste 140Torrance, CA 90503-4500 · (310) 540-4327 · Fax (310) 316-2685
Phone(310) 540-4327
Fax(310) 316-2685
Sole ProprietorNo
Enumeration DateJune 25, 2025
Last NPPES UpdateJune 26, 2025
NPPES CertifiedJune 26, 2025
✔ NPI 1659269934 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers
Taxonomy Code231H00000X
License✔ Licensed in CA · AU4021
Definition
(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.
Also ListedAudiologist-Hearing Aid FitterTaxonomy 237600000X · License AU4021 (CA)
4201 TORRANCE BLVD STE 140, Torrance, CA 90503
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alyssa M Heisen is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Alyssa Heisen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Parker Hearing Institute A Professional Corproration
Same address
Audiologist
4201 TORRANCE BLVD STE 140
Torrance, CA 90503
  • Reassigned Medicare billing, California enrollment
  • 4 clinicians in this Medicare group
NPI 1679106686 (310) 540-4327

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. JOSHUA MERRITT PARKER M.A
Hearing Instrument Specialist
4201 TORRANCE BLVD STE 140
TORRANCE, CA 90503
Los Angeles County (310) 540-4327
DR. MARYELLEN BRISSON AU.D.
Audiologist-Hearing Aid Fitter
4201 TORRANCE BLVD STE 140
TORRANCE, CA 90503
Los Angeles County (310) 540-4327
PARKER HEARING MANAGEMENT
Audiologist
4201 TORRANCE BLVD STE 140
TORRANCE, CA 90503
Los Angeles County (310) 540-4327
MS. KIM R BALDOCK-MAHLOCH AU.D.
Audiologist
4201 TORRANCE BLVD STE 140
TORRANCE, CA 90503
Los Angeles County (310) 540-4327
WILLIAM LEE PARKER PH.D., & ASSOCIATES, INC.
Audiologist-Hearing Aid Fitter
4201 TORRANCE BLVD STE 140
TORRANCE, CA 90503
Los Angeles County (310) 540-4327
RESIDENTIAL HEARING SERVICES INC
Audiologist-Hearing Aid Fitter
4201 TORRANCE BLVD STE 140
TORRANCE, CA 90503
Los Angeles County (310) 540-4327
LISA YURIKA GRAY AU.D.
Audiologist
4201 TORRANCE BLVD STE 140
TORRANCE, CA 90503
Los Angeles County (310) 540-4327
PARKER AUDIOLOGY ASSOCIATES, INC.
Audiologist-Hearing Aid Fitter
4201 TORRANCE BLVD STE 140
TORRANCE, CA 90503
Los Angeles County (310) 540-4327

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 Alyssa Heisen's NPI number?

The NPI number for Alyssa Heisen is 1659269934. It was assigned to this individual provider in the NPPES registry on June 25, 2025.

Where is Alyssa Heisen located?

Alyssa Heisen practices at 4201 Torrance Blvd Ste 140, Torrance, CA 90503. The listed phone number is (310) 540-4327.

What is Alyssa Heisen's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Is Alyssa Heisen enrolled in Medicare?

Yes. Alyssa Heisen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alyssa Heisen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Heisen reassigns Medicare benefits to Parker Hearing Institute A Professional Corproration (Torrance, 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 Alyssa Heisen'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 Alyssa Heisen was last updated on June 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.