ALEXA S. LESSOW, MD PC
NPI 1033348198
Specialist in New York, NY
About Alexa S. Lessow, Md Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXA S. LESSOW, MD PC (NPI 1033348198) is a healthcare organization registered as a specialist in New York, New York and active in the NPI registry since July 2009. The organization lists Matt Dallmann, Billing Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Alexa S. Lessow, Md Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Alexa S. Lessow, MD PC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Alexa S. Lessow, MD PC's NPI number?
The NPI number for Alexa S. Lessow, MD PC is 1033348198. It was assigned to this organization in the NPPES registry on July 10, 2009.
Where is Alexa S. Lessow, MD PC located?
Alexa S. Lessow, MD PC is located at 1049 5th Ave Suite #1, New York, NY 10028. The listed phone number is (212) 861-1961.
What is Alexa S. Lessow, MD PC's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Alexa S. Lessow, MD PC enrolled in Medicare?
Yes. Alexa S. Lessow, MD PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Alexa S. Lessow, MD PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Otolaryngology) reassigns their Medicare billing to Alexa S. Lessow, 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Alexa S. Lessow, MD PC was last updated on August 12, 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.
# Alexa S. Lessow, Md Pc · NPI 1033348198
Specialist organization in New York, New York. Organization record, active in the CMS NPPES registry since July 10, 2009.
## Identity
- **NPI:** 1033348198 (Entity type: Organization)
- **Enumerated:** July 10, 2009
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Matt Dallmann, BILLING MANAGER
## Practice location
- **Address:** 1049 5TH AVE, SUITE #1, New York, NY 10028-0115
- **Phone:** (212) 861-1961
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Otolaryngology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 12, 2009
- **Other identifiers:** Medicare PIN A100001570 (NY)
---
Source: [NPI Profile](https://npiprofile.com/npi/1033348198) · Data from the CMS NPPES public registry.