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ROBERT L. WEISS, MD, PC
NPI 1174724199
Specialist in Norwalk, CT

Active since May 29, 2007
40 CROSS ST STE 230, NORWALK, CT 06851(203) 845-2244(203) 845-2249 Get Directions Write a Review

NPPES record last updated: January 16, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Robert L. Weiss, Md, Pc NPPES

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

ROBERT L. WEISS, MD, PC (NPI 1174724199) is a healthcare organization registered as a specialist in Norwalk, Connecticut and active in the NPI registry since May 2007. The organization lists Robert L. Weiss, Owner, as its authorized official.

NPPES Registry Identity

NPI1174724199
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameROBERT L. WEISS, MD, PC
Location Address40 CROSS ST STE 230Norwalk, CT 06851-4661
Mailing Address40 Cross StNorwalk, CT 06851-4647 · (203) 845-2244 · Fax (203) 845-2249
Phone(203) 845-2244
Fax(203) 845-2249
Organization SubpartNo
Authorized OfficialRobert L. WeissOwner · (203) 845-2244
Enumeration DateMay 29, 2007
Last NPPES UpdateJanuary 16, 2008
✔ NPI 1174724199 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
40 CROSS ST STE 230, Norwalk, CT 06851
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Other Identifiers 5

Other010022559CT01CT · Anthem
Medicare OSCAR/certificationC01495CT
OtherC01495CT · Medicare Group Number
Other010037572CT01CT · Anthem
Medicare UPING42119CT

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert L. Weiss, Md, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Robert L. Weiss, MD, PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Robert Weiss, MD
Otolaryngology
NPI 1538241484
40 CROSS ST SUITE 230
Norwalk, CT 06851
(203) 845-2244
✔ PECOS✔ Accepts MedicareSame address
Marielle Khuen, FNP
Nurse Practitioner
NPI 1962002691
39 FIFTH ST
Norwalk, CT 06855
(178) 145-4677
✔ PECOS✔ Accepts Medicare1.9 mi
Heather Waters, M.D.
Otolaryngology
NPI 1326212523
761 MAIN AVE STE 101
Norwalk, CT 06851
(203) 845-2244
✔ PECOS✔ Accepts Medicare2.8 mi
Alexander Zorn, AUD
Qualified Audiologist
NPI 1225697907
761 MAIN AVE STE 101
Norwalk, CT 06851
(203) 716-6008
✔ Accepts Medicare2.8 mi
Kathryn Giunta, APRN
Nurse Practitioner
NPI 1134739287
761 MAIN AVE STE 101
Norwalk, CT 06851
(203) 845-2244
✔ PECOS✔ Accepts Medicare2.8 mi
Jeffrey Kerner, M.D.
Otolaryngology
NPI 1609874999
911-913 STATE STREET
New Haven, CT 06511
(203) 503-3000
✔ PECOS✔ Accepts Medicare30 mi

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

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 L. Weiss, MD, PC's NPI number?

The NPI number for Robert L. Weiss, MD, PC is 1174724199. It was assigned to this organization in the NPPES registry on May 29, 2007.

Where is Robert L. Weiss, MD, PC located?

Robert L. Weiss, MD, PC is located at 40 Cross St Ste 230, Norwalk, CT 06851. The listed phone number is (203) 845-2244.

What is Robert L. Weiss, MD, PC's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Robert L. Weiss, MD, PC enrolled in Medicare?

Yes. Robert L. Weiss, MD, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Robert L. Weiss, MD, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 3 Medicare specialties reassign their Medicare billing to Robert L. Weiss, MD, PC. A 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 the clinician's services. The largest specialties are Otolaryngology (3), Nurse Practitioner (2) and Qualified Audiologist (1). Of these, 1 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Robert L. Weiss, MD, PC was last updated on January 16, 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.