ALEXANDER PEYTON RIESER HIS
NPI 1295142529
Hearing Instrument Specialist in Chula Vista, CA

Q: What is Alexander Rieser's NPI number?

The NPI number for Alexander Rieser is 1295142529. It was assigned to this individual provider in the NPPES registry on July 18, 2014.

Q: What is Alexander Rieser's specialty?

The primary specialty registered for this NPI is Hearing Instrument Specialist with taxonomy code 237700000X.

Q: When was this NPI record last updated?

The NPPES record for Alexander Rieser was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since July 18, 2014

450 FOURTH AVE, STE 306, CHULA VISTA, CA 91910(619) 420-2151(619) 420-2151 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Alexander Peyton Rieser His NPPES

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

ALEXANDER PEYTON RIESER HIS (NPI 1295142529) is an individual hearing instrument specialist in Chula Vista, California, licensed in California (HA7910) and active in the NPI registry since July 2014.

NPPES Registry Identity

NPI1295142529

Entity TypeIndividualMale

Primary Taxonomy237700000X

Provider Legal NameALEXANDER PEYTON RIESERCredential: HIS

Location Address450 FOURTH AVE, STE 306Chula Vista, CA 91910-4426

Mailing Address215 Shuman Blvd, Suite 401Naperville, IL 60563-8458 · (630) 303-5380 · Fax (978) 313-6824

Phone(619) 420-2151

Fax(619) 420-2151

Sole ProprietorNo

Enumeration DateJuly 18, 2014

Last NPPES UpdateNovember 30, 2021

✔ NPI 1295142529 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHearing Instrument SpecialistSpeech, Language and Hearing Service Providers

Taxonomy Code237700000X

License✔ Licensed in CA · HA7910

Definition

Individuals who test hearing for the selection, adaptation, fitting, adjusting, servicing, and sale of hearing aids. Hearing Instrument Specialist is a designation provided individuals who qualify by the National Hearing Aid Society

450 FOURTH AVE, Chula Vista, CA 91910

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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)

Alexander Peyton Rieser His is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

Medicare enrollment records show Alexander Rieser reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group

10.0 mi

Health Maintenance Organization

1288 CAMINO DEL RIO N
San Diego, CA 92108

Reassigned Medicare billing, California enrollment
13,921 clinicians in this Medicare group

NPI 1023425972 (877) 608-0044

Sharp Rees-Stealy Medical Group, Inc

15 mi

Internal Medicine

5651 COPLEY DR STE A
San Diego, CA 92111

Reassigned Medicare billing, California enrollment
1,233 clinicians in this Medicare group

NPI 1285616177 (858) 262-6666

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 2

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

DR. HAI NGUYEN DDS

Dentist

450 FOURTH AVE, SUITE 305
CHULA VISTA, CA 91910

San Diego County (619) 585-0118

MR. WILLIAM HENRY QUILLIN MD

Obstetrics & Gynecology

450 FOURTH AVE, #409
CHULA VISTA, CA 91910

San Diego County (619) 585-1811

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 Alexander Rieser's NPI number?

The NPI number for Alexander Rieser is 1295142529. It was assigned to this individual provider in the NPPES registry on July 18, 2014.

Where is Alexander Rieser located?

Alexander Rieser practices at 450 Fourth Ave Ste 306, Chula Vista, CA 91910. The listed phone number is (619) 420-2151.

What is Alexander Rieser's specialty?

The primary specialty registered for this NPI is Hearing Instrument Specialist with taxonomy code 237700000X.

Is Alexander Rieser enrolled in Medicare?

Yes. Alexander Rieser is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alexander Rieser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Rieser reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (San Diego, CA) and Sharp Rees-Stealy Medical Group, Inc (San Diego, CA). Each 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 Alexander Rieser'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 Alexander Rieser was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.