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DR. ROBERT J WEISSMAN AU.D.
NPI 1841293305
Audiologist in Pasadena, CA

Active since May 27, 2005
50 ALESSANDRO PL, SUITE 230, PASADENA, CA 91105(626) 796-9510(626) 796-9520 Get Directions Write a Review

NPPES record last updated: July 11, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Robert J Weissman Au.d. NPPES

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

DR. ROBERT J WEISSMAN AU.D. (NPI 1841293305) is an individual audiologist in Pasadena, California, licensed in California (AU2060) and active in the NPI registry since May 2005. He is a graduate of Other (2003).

NPPES Registry Identity

NPI1841293305
Entity TypeIndividualMale
Primary Taxonomy231H00000X
Provider Legal NameDR. ROBERT J WEISSMANCredential: AU.D.
Location Address50 ALESSANDRO PL, SUITE 230Pasadena, CA 91105-3149
Mailing AddressPo Box 50735Pasadena, CA 91115-0735 · (626) 796-9510 · Fax (626) 796-9520
Phone(626) 796-9510
Fax(626) 796-9520
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateMay 27, 2005
Last NPPES UpdateJuly 11, 2008
✔ NPI 1841293305 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers
Taxonomy Code231H00000X
License✔ Licensed in CA · AU2060
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.
50 ALESSANDRO PL, Pasadena, CA 91105
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Other Identifiers 4

Medicare ID-Type UnspecifiedAU2060CA
Medicare ID-Type UnspecifiedAU2060ACA
Medicare UPINP24953CA
MedicaidAU0020600CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert J Weissman Au.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9436055506
PECOS Enrollment IDI20040310001536

Medicare Billing Reassignments

2

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

Robert-Jayson Communications
Same address
Audiologist
50 ALESSANDRO PL, SUITE 230
Pasadena, CA 91105
  • Reassigned Medicare billing, California enrollment
NPI 1205839768 (626) 796-9510
Drhear, LLC
18 mi
Audiologist-Hearing Aid Fitter
1334 W COVINA BLVD STE 205
San Dimas, CA 91773
  • Reassigned Medicare billing, California enrollment
NPI 1851917819 (909) 833-4237

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 20

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

ANDREW COTHAM PHYSICAL THERAPY P.C.
Clinic/Center (Physical Therapy)
50 ALESSANDRO PL, SUITE A40
PASADENA, CA 91105
Los Angeles County (323) 401-1935
MS. KIMBERLY ANNE SHRINER MD
Internal Medicine (Infectious Disease)
50 ALESSANDRO PL, SUITE 360
PASADENA, CA 91105
Los Angeles County (626) 793-6133
ANDREW COTHAM PT
Physical Therapist
50 ALESSANDRO PL, SUITE A40
PASADENA, CA 91105
Los Angeles County (323) 401-1935
HOLLY WANG MD INC
Pediatrics
50 ALESSANDRO PL, SUITE 200
PASADENA, CA 91105
Los Angeles County (626) 696-1234
DR. RICHARD EMERY NICKOWITZ MD
Internal Medicine (Gastroenterology)
50 ALESSANDRO PL, SUITE 410
PASADENA, CA 91105
Los Angeles County (626) 793-7114
PETER M ROSENBERG M.D.
Internal Medicine (Gastroenterology)
50 ALESSANDRO PL, SUITE 410
PASADENA, CA 91105
Los Angeles County (626) 793-7114
KALMAN J EDELMAN M.D.
Internal Medicine (Gastroenterology)
50 ALESSANDRO PL, SUITE 410
PASADENA, CA 91105
Los Angeles County (626) 793-7114
BRIAN LUGO, M.D., MEDICAL CORP
Surgery (Surgical Critical Care)
50 ALESSANDRO PL, SUITE 340
PASADENA, CA 91105
Los Angeles County (626) 768-4415

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 Robert Weissman's NPI number?

The NPI number for Robert Weissman is 1841293305. It was assigned to this individual provider in the NPPES registry on May 27, 2005.

Where is Robert Weissman located?

Robert Weissman practices at 50 Alessandro Pl Suite 230, Pasadena, CA 91105. The listed phone number is (626) 796-9510.

What is Robert Weissman's specialty?

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

Is Robert Weissman enrolled in Medicare?

Yes. Robert Weissman is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Robert Weissman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Weissman reassigns Medicare benefits to 2 organizations: Robert-Jayson Communications (Pasadena, CA) and Drhear, LLC (San Dimas, 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 Robert Weissman'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 Robert Weissman was last updated on July 11, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.