LEAH SUN KIM
NPI 1104316470
Surgery in Boston, MA
About Leah Sun Kim NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEAH SUN KIM (NPI 1104316470) is an individual surgery provider in Boston, Massachusetts, licensed in Massachusetts (1025163) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Leah Sun Kim is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Leah Kim reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 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 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.
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
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 Leah Kim's NPI number?
The NPI number for Leah Kim is 1104316470. It was assigned to this individual provider in the NPPES registry on May 13, 2018.
Where is Leah Kim located?
Leah Kim practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 724-5058.
What is Leah Kim's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Leah Kim enrolled in Medicare?
Yes. Leah Kim is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Leah Kim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leah Kim reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, MA). 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 Leah Kim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leah Kim accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Leah Kim as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Leah Kim was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.