STEPHEN HING-LAM TSANG M.D.
NPI 1972648707
Ophthalmology in New York, NY
About Stephen Hing-lam Tsang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN HING-LAM TSANG M.D. (NPI 1972648707) is an individual ophthalmology provider in New York, New York, licensed in New York (214245) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Columbia University College Of Physicians And Surgeons (1998).
NPPES Registry Identity
Specialties & Licenses 2
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
Stephen Hing-lam Tsang 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 Reassignment
Medicare enrollment records show Stephen Tsang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1982993184 (New York)
- 3,922 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 3
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 10032 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Tsang's NPI number?
The NPI number for Stephen Tsang is 1972648707. It was assigned to this individual provider in the NPPES registry on February 20, 2007.
Where is Stephen Tsang located?
Stephen Tsang practices at 635 W 165th St, New York, NY 10032. The listed phone number is (212) 305-9535.
What is Stephen Tsang's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Stephen Tsang enrolled in Medicare?
Yes. Stephen Tsang 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 Stephen Tsang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Tsang reassigns Medicare benefits to Trustees Of Columbia University In The City Of New York (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 Tsang'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 Tsang was last updated on February 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Stephen Hing-Lam Tsang, M.D. · NPI 1972648707
Ophthalmology physician in New York, New York. Individual provider, active in the CMS NPPES registry since February 20, 2007.
## Identity
- **NPI:** 1972648707 (Entity type: Individual)
- **Enumerated:** February 20, 2007
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 214245 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 635 W 165TH ST, New York, NY 10032-3724
- **Phone:** (212) 305-9535 · **Fax:** (212) 305-5523
## 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:** Trustees Of Columbia University In The City Of New York (NPI 1477068971, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 1998
## Record status
- **NPPES last updated:** February 16, 2018
- **Other identifiers:** Medicaid 02706807 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1972648707) · Data from the CMS NPPES public registry.