RUTH TYAN NP
NPI 1003675935
Nurse Practitioner in Bronxville, NY
About Ruth Tyan Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RUTH TYAN NP (NPI 1003675935) is an individual nurse practitioner in Bronxville, New York, licensed in New York (432957) and active in the NPI registry since March 2024. She is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 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
Ruth Tyan Np 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 Ruth Tyan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bronxville, NY 10708
- Reassigned Medicare billing, New York enrollment
- 531 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
New York-Presbyterian Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10708 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BRONXVILLE, NY 10708
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 Ruth Tyan's NPI number?
The NPI number for Ruth Tyan is 1003675935. It was assigned to this individual provider in the NPPES registry on March 14, 2024.
Where is Ruth Tyan located?
Ruth Tyan practices at 55 Palmer Ave, Bronxville, NY 10708. The listed phone number is (914) 787-1000.
What is Ruth Tyan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Ruth Tyan enrolled in Medicare?
Yes. Ruth Tyan 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 Ruth Tyan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Tyan reassigns Medicare benefits to Lawrence Medical Associates, PC (Bronxville, 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 Ruth Tyan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ruth Tyan affiliated with any hospitals?
According to CMS data, Ruth Tyan is affiliated with New York-Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for Ruth Tyan was last updated on April 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Ruth Tyan, NP · NPI 1003675935
Nurse Practitioner physician in Bronxville, New York. Individual provider, active in the CMS NPPES registry since March 14, 2024.
## Identity
- **NPI:** 1003675935 (Entity type: Individual)
- **Enumerated:** March 14, 2024
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 432957 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 PALMER AVE, Bronxville, NY 10708-3403
- **Phone:** (914) 787-1000
## 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:** Lawrence Medical Associates, PC (NPI 1497260806, Bronxville, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** April 18, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1003675935) · Data from the CMS NPPES public registry.