EVAN CHRIS CHEN MD
NPI 1679929574
Internal Medicine - Medical Oncology in Boston, MA
About Evan Chris Chen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EVAN CHRIS CHEN MD (NPI 1679929574) is an individual medical oncology provider in Boston, Massachusetts, licensed in Massachusetts (278136) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of Stanford University School Of Medicine (2016).
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 and accepts Medicare assignment
Evan Chris Chen 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
4Medicare enrollment records show Evan Chen reassigns Medicare billing to 4 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
- 4,574 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 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 5
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore Medical Center -
Acute Care Hospitals · Salem, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 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 02215
BOSTON, MA 02215
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 Evan Chen's NPI number?
The NPI number for Evan Chen is 1679929574. It was assigned to this individual provider in the NPPES registry on May 10, 2016.
Where is Evan Chen located?
Evan Chen practices at 450 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 632-1906.
What is Evan Chen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Evan Chen enrolled in Medicare?
Yes. Evan Chen 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 Evan Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Evan Chen reassigns Medicare benefits to 4 organizations: Dana-Farber Cancer Institute, Inc. (Boston, MA), Brigham & Womens Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization 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 Evan Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Evan Chen accept?
Health plans from Taro Health list Evan Chen 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.
Is Evan Chen affiliated with any hospitals?
According to CMS data, Evan Chen is affiliated with North Shore Medical Center - and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Evan Chen was last updated on March 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Evan Chris Chen, MD · NPI 1679929574
Medical Oncology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 10, 2016.
## Identity
- **NPI:** 1679929574 (Entity type: Individual)
- **Enumerated:** May 10, 2016
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** 278136 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 450 BROOKLINE AVE, Boston, MA 02215-5418
- **Phone:** (617) 632-1906
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Dana-Farber Cancer Institute, Inc. (NPI 1851333686, Boston, MA); Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** March 6, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1679929574) · Data from the CMS NPPES public registry.