MR. ANDREW S. TREIBWASSER MD
NPI 1649237538
Anesthesiology in Warwick, RI
About Mr. Andrew S. Treibwasser Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. ANDREW S. TREIBWASSER MD (NPI 1649237538) is an individual anesthesiology provider in Warwick, Rhode Island, licensed in Rhode Island (MD07503) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Andrew S. Treibwasser Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Andrew Treibwasser reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Warwick, RI 02886
- Reassigned Medicare billing, Rhode Island enrollment
- 25 clinicians in this Medicare group
Providence, RI 02903
- Reassigned Medicare billing, Rhode Island enrollment
- 112 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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 Andrew Treibwasser's NPI number?
The NPI number for Andrew Treibwasser is 1649237538. It was assigned to this individual provider in the NPPES registry on April 26, 2006.
Where is Andrew Treibwasser located?
Andrew Treibwasser practices at 55 Lambert Lind Highway, Warwick, RI 02886. The listed phone number is (401) 737-4711.
What is Andrew Treibwasser's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Andrew Treibwasser enrolled in Medicare?
Yes. Andrew Treibwasser is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Andrew Treibwasser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Treibwasser reassigns Medicare benefits to 2 organizations: Coastline Anesthesia, LLC (Warwick, RI) and Lifespan Physician Group, Inc. (Providence, RI). 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 Andrew Treibwasser'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 Andrew Treibwasser was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.