DR. STEPHEN TSAI MD
NPI 1689638736
Pediatrics in New York, NY
About Dr. Stephen Tsai Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN TSAI MD (NPI 1689638736) is an individual pediatrics provider in New York, New York, licensed in New York (227796) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.
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)
Dr. Stephen Tsai Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Stephen Tsai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10002
- Reassigned Medicare billing, New York enrollment
- 1,615 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 10002 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.
NEW YORK, NY 10002
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 Stephen Tsai's NPI number?
The NPI number for Stephen Tsai is 1689638736. It was assigned to this individual provider in the NPPES registry on April 14, 2006.
Where is Stephen Tsai located?
Stephen Tsai practices at 227 Madison St Pediatric Department, New York, NY 10002. The listed phone number is (212) 238-7216.
What is Stephen Tsai's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Stephen Tsai enrolled in Medicare?
Yes. Stephen Tsai is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Stephen Tsai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Tsai reassigns Medicare benefits to New York City Health And Hospitals Corporation (New York, 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 Stephen Tsai'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 Stephen Tsai was last updated on January 29, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. Stephen Tsai, MD · NPI 1689638736
Pediatrics physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 14, 2006.
## Identity
- **NPI:** 1689638736 (Entity type: Individual)
- **Enumerated:** April 14, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 227796 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 227 MADISON ST, PEDIATRIC DEPARTMENT, New York, NY 10002-7537
- **Phone:** (212) 238-7216
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** New York City Health And Hospitals Corporation (NPI 1497859573, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 29, 2016
- **Other identifiers:** Medicare UPIN I28125 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1689638736) · Data from the CMS NPPES public registry.