DR. ELLEN LAU TROUDT M.D.
NPI 1508390444
Psychiatry & Neurology - Neurology in White Plains, NY
About Dr. Ellen Lau Troudt M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELLEN LAU TROUDT M.D. (NPI 1508390444) is an individual neurology provider in White Plains, New York, licensed in New York (309947) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with St Luke's Cornwall Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ellen Lau Troudt M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Ellen Troudt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
White Plains, NY 10601
- Reassigned Medicare billing, New York enrollment
- 479 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 7
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Luke's Cornwall Hospital
Acute Care Hospitals · Newburgh, NYWhite Plains Hospital Center
Acute Care Hospitals · White Plains, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Patient Reviews User submitted
Reviews are submitted by site visitors and approved by a human moderator before publication.
Review by Linda ***** March 16, 2024
5/5Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WHITE PLAINS, NY 10601
WHITE PLAINS, NY 10601
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 Ellen Troudt's NPI number?
The NPI number for Ellen Troudt is 1508390444. It was assigned to this individual provider in the NPPES registry on April 18, 2017.
Where is Ellen Troudt located?
Ellen Troudt practices at 41 E Post Rd, White Plains, NY 10601. The listed phone number is (914) 681-0600.
What is Ellen Troudt's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Ellen Troudt enrolled in Medicare?
Yes. Ellen Troudt is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Ellen Troudt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Troudt reassigns Medicare benefits to East Post Road Medical Services PC (White Plains, NY). The 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 Ellen Troudt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ellen Troudt affiliated with any hospitals?
According to CMS data, Ellen Troudt is affiliated with St Luke's Cornwall Hospital and White Plains Hospital Center.
When was this NPI record last updated?
The NPPES record for Ellen Troudt was last updated on August 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Ellen Lau Troudt, M.D. · NPI 1508390444
Neurology physician in White Plains, New York. Individual provider, active in the CMS NPPES registry since April 18, 2017.
## Identity
- **NPI:** 1508390444 (Entity type: Individual)
- **Enumerated:** April 18, 2017
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 309947 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 41 E POST RD, White Plains, NY 10601-4607
- **Phone:** (914) 681-0600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** East Post Road Medical Services PC (NPI 1841767274, White Plains, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** August 18, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1508390444) · Data from the CMS NPPES public registry.