DR. KIN PING STANLEY TSOI M.D.
NPI 1528117199
Physical Medicine & Rehabilitation - Pain Medicine in Greenwich, CT
About Dr. Kin Ping Stanley Tsoi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KIN PING STANLEY TSOI M.D. (NPI 1528117199) is an individual pain medicine provider in Greenwich, Connecticut, licensed in New York (244996) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses 5
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 and accepts Medicare assignment
Dr. Kin Ping Stanley Tsoi 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 Reassignments
6Medicare enrollment records show Kin Tsoi reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Valhalla, NY 10595
- Reassigned Medicare billing, New York enrollment
- 1,663 clinicians in this Medicare group
Brooklyn, NY 11205
- Reassigned Medicare billing, New York enrollment
- 23 clinicians in this Medicare group
Brooklyn, NY 11205
- Reassigned Medicare billing, New York enrollment
- 14 clinicians in this Medicare group
Hamden, CT 06514
- Reassigned Medicare billing, Connecticut enrollment
- 8 clinicians in this Medicare group
Hamden, CT 06514
- Reassigned Medicare billing, Connecticut enrollment
- 9 clinicians in this Medicare group
Bristol, RI 02809
- Reassigned Medicare billing, Connecticut and New York enrollments
- 69 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.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENWICH, CT 06831
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 Kin Tsoi's NPI number?
The NPI number for Kin Tsoi is 1528117199. It was assigned to this individual provider in the NPPES registry on January 10, 2007.
Where is Kin Tsoi located?
Kin Tsoi practices at 1165 King St, Greenwich, CT 06831. The listed phone number is (917) 603-2993.
What is Kin Tsoi's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Pain Medicine, with taxonomy code 2081P2900X.
Is Kin Tsoi enrolled in Medicare?
Yes. Kin Tsoi 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 Kin Tsoi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kin Tsoi reassigns Medicare benefits to 6 organizations: Westchester Medical Center Advanced Physician Services PC (Valhalla, NY), Impact Care Physicians Ny PC (Brooklyn, NY), Impact Medical Services Ny PC (Brooklyn, NY), Impact Care Physicians Ct PC (Hamden, CT), Impact Specialty Solutions Ct PC (Hamden, CT) and 1 more organization, listed in the Medicare section above. 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 Kin Tsoi'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 Kin Tsoi was last updated on April 18, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. Kin Ping Stanley Tsoi, M.D. · NPI 1528117199
Pain Medicine physician in Greenwich, Connecticut. Individual provider, active in the CMS NPPES registry since January 10, 2007.
## Identity
- **NPI:** 1528117199 (Entity type: Individual)
- **Enumerated:** January 10, 2007
- **Primary specialty:** Physical Medicine & Rehabilitation - Pain Medicine · taxonomy 2081P2900X
- **State license:** 244996 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1165 KING ST, Greenwich, CT 06831-2935
- **Phone:** (917) 603-2993
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Westchester Medical Center Advanced Physician Services PC (NPI 1740687458, Valhalla, NY); Impact Care Physicians Ny PC (NPI 1538015854, Brooklyn, NY); Impact Medical Services Ny PC (NPI 1366398687, Brooklyn, NY); Impact Care Physicians Ct PC (NPI 1073463147, Hamden, CT); Impact Specialty Solutions Ct PC (NPI 1053261123, Hamden, CT); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** April 18, 2017
- **Other identifiers:** Other 16-1555058
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Source: [NPI Profile](https://npiprofile.com/npi/1528117199) · Data from the CMS NPPES public registry.