SUNNY YEONGSEON HAN
NPI 1710563341
Internal Medicine in Cambridge, MA
About Sunny Yeongseon Han NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUNNY YEONGSEON HAN (NPI 1710563341) is an individual internal medicine provider in Cambridge, Massachusetts, licensed in Massachusetts (1018951) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
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)
Sunny Yeongseon Han is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sunny Han reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cambridge, MA 02139
- Reassigned Medicare billing, Massachusetts enrollment
- 719 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
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 02139 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.
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 Sunny Han's NPI number?
The NPI number for Sunny Han is 1710563341. It was assigned to this individual provider in the NPPES registry on March 23, 2021.
Where is Sunny Han located?
Sunny Han practices at 1493 Cambridge St, Cambridge, MA 02139. The listed phone number is (617) 665-1000.
What is Sunny Han's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Sunny Han enrolled in Medicare?
Yes. Sunny Han is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sunny Han's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sunny Han reassigns Medicare benefits to Cambridge Public Health Commission (Cambridge, MA). 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 Sunny Han's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sunny Han accept?
Health plans from Taro Health list Sunny Han 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 Sunny Han was last updated on July 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.