DAVID KAI-MING TSO MD
NPI 1962943563
Radiology - Diagnostic Radiology in Boston, MA
About David Kai-ming Tso Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID KAI-MING TSO MD (NPI 1962943563) is an individual diagnostic radiology provider in Boston, Massachusetts, licensed in Massachusetts (270510) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2012).
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 (PECOS)
David Kai-ming Tso Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show David Tso reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Glendale, CA 91204
- Reassigned Medicare billing, California and Hawaii enrollments
- Also billed through NPI 1730335605 (Hawaii)
- 181 clinicians in this Medicare group
Fairfield, CA 94533
- Reassigned Medicare billing, Hawaii enrollment
- 7 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California and Hawaii enrollments
- 129 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Gilroy, CA 95020
- Reassigned Medicare billing, California enrollment
- 2,460 clinicians in this Medicare group
Oakland, CA 94609
- Reassigned Medicare billing, California and Hawaii enrollments
- 158 clinicians in this Medicare group
Kamuela, HI 96743
- Reassigned Medicare billing, Hawaii enrollment
- 277 clinicians in this Medicare group
Honolulu, HI 96813
- Reassigned Medicare billing, Hawaii enrollment
- 859 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 59
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 02114 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.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 David Tso's NPI number?
The NPI number for David Tso is 1962943563. It was assigned to this individual provider in the NPPES registry on March 15, 2017.
Where is David Tso located?
David Tso practices at Massachusetts General Hospital 55 Fruit St., Boston, MA 02114. The listed phone number is (617) 724-5246.
What is David Tso's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is David Tso enrolled in Medicare?
Yes. David Tso is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for David Tso's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Tso reassigns Medicare benefits to 8 organizations: Bay Imaging Consultants Medical Group (Glendale, CA), Solano Diagnostics Partners A Calif Limited Partnership (Fairfield, CA), John Muir Magnetic Imaging Center (Walnut Creek, CA), John Muir Trauma Physicians Billing Service (Walnut Creek, CA), County Of Santa Clara (Gilroy, CA) and 3 more organizations, 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 David Tso'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 David Tso was last updated on March 15, 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.