MARSILIA SEIWELL CLOUD MD
NPI 1043257462
Obstetrics & Gynecology in Amherst, NY
About Marsilia Seiwell Cloud Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARSILIA SEIWELL CLOUD MD (NPI 1043257462) is an individual obstetrics & gynecology provider in Amherst, New York, licensed in New York (228524) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of State University Of New York At Buffalo School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marsilia Seiwell Cloud Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marsilia Cloud reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Amherst, NY 14226
- Reassigned Medicare billing, New York enrollment
- 9 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14226 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Marsilia Cloud's NPI number?
The NPI number for Marsilia Cloud is 1043257462. It was assigned to this individual provider in the NPPES registry on June 2, 2006.
Where is Marsilia Cloud located?
Marsilia Cloud practices at 4575 Main St Ste 1, Amherst, NY 14226. The listed phone number is (716) 633-4575.
What is Marsilia Cloud's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Marsilia Cloud enrolled in Medicare?
Yes. Marsilia Cloud is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marsilia Cloud's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marsilia Cloud reassigns Medicare benefits to Buffalo Obgyn, LLP (Amherst, 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 Marsilia Cloud'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 Marsilia Cloud was last updated on July 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.