SUSAN N CHI MD
NPI 1154398964
Pediatrics - Pediatric Hematology-Oncology in Boston, MA
About Susan N Chi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUSAN N CHI MD (NPI 1154398964) is an individual pediatric hematology-oncology provider in Boston, Massachusetts, licensed in Massachusetts (216466) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of Icahn School Of Medicine At Mount Sinai (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
Accepted Insurance
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
Susan N Chi Md 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
2Medicare enrollment records show Susan Chi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1346433257 (Massachusetts)
- 1,026 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 1,358 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.
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 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Susan Chi's NPI number?
The NPI number for Susan Chi is 1154398964. It was assigned to this individual provider in the NPPES registry on March 1, 2006.
Where is Susan Chi located?
Susan Chi practices at 44 Binney St Room SW 331, Boston, MA 02115. The listed phone number is (617) 632-4142.
What is Susan Chi's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Susan Chi enrolled in Medicare?
Yes. Susan Chi 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 Susan Chi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Susan Chi reassigns Medicare benefits to 2 organizations: Dana-Farber Cancer Institute, Inc. (Boston, MA) and Children's Hospital Pediatric Associates, Inc (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 Susan Chi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Susan Chi accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Susan Chi 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 Susan Chi was last updated on July 13, 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.
# Susan N Chi, MD · NPI 1154398964
Pediatric Hematology-Oncology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 1, 2006.
## Identity
- **NPI:** 1154398964 (Entity type: Individual)
- **Enumerated:** March 1, 2006
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** 216466 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 44 BINNEY ST, ROOM SW 331, Boston, MA 02115
- **Phone:** (617) 632-4142 · **Fax:** (617) 632-4897
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Dana-Farber Cancer Institute, Inc. (NPI 1851333686, Boston, MA); Children's Hospital Pediatric Associates, Inc (NPI 1457306664, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 1994
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Other 216466; Other 80291; Other J25786 (MA); and 3 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1154398964) · Data from the CMS NPPES public registry.