DR. RAYHAN NOAH SAIANI MD
NPI 1811494651
Internal Medicine - Cardiovascular Disease in Greenwich, CT
About Dr. Rayhan Noah Saiani Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RAYHAN NOAH SAIANI MD (NPI 1811494651) is an individual cardiovascular disease provider in Greenwich, Connecticut, licensed in Connecticut (80347) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2018).
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 and accepts Medicare assignment
Dr. Rayhan Noah Saiani Md 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 Reassignments
3Medicare enrollment records show Rayhan Saiani reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenwich, CT 06830
- Reassigned Medicare billing, Connecticut enrollment
- 268 clinicians in this Medicare group
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 3,922 clinicians in this Medicare group
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06830 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Rayhan Saiani's NPI number?
The NPI number for Rayhan Saiani is 1811494651. It was assigned to this individual provider in the NPPES registry on April 9, 2018.
Where is Rayhan Saiani located?
Rayhan Saiani practices at 500 W Putnam Ave Ste 350, Greenwich, CT 06830. The listed phone number is (203) 863-4210.
What is Rayhan Saiani's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Rayhan Saiani enrolled in Medicare?
Yes. Rayhan Saiani 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 organizations bill Medicare for Rayhan Saiani's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rayhan Saiani reassigns Medicare benefits to 3 organizations: Greenwich Hospital (Greenwich, CT), Trustees Of Columbia University In The City Of New York (New York, NY) and Yale University (New Haven, CT). 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 Rayhan Saiani'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 Rayhan Saiani was last updated on March 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Rayhan Noah Saiani, MD · NPI 1811494651
Cardiovascular Disease physician in Greenwich, Connecticut. Individual provider, active in the CMS NPPES registry since April 9, 2018.
## Identity
- **NPI:** 1811494651 (Entity type: Individual)
- **Enumerated:** April 9, 2018
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 80347 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 500 W PUTNAM AVE STE 350, Greenwich, CT 06830-2937
- **Phone:** (203) 863-4210
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Greenwich Hospital (NPI 1609846088, Greenwich, CT); Trustees Of Columbia University In The City Of New York (NPI 1508266347, New York, NY); Yale University (NPI 1124148887, New Haven, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** March 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1811494651) · Data from the CMS NPPES public registry.