DR. SWAY PENG CHEN MD, PHD
NPI 1699302166
Internal Medicine - Gastroenterology in Boston, MA
About Dr. Sway Peng Chen Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SWAY PENG CHEN MD, PHD (NPI 1699302166) is an individual gastroenterology provider in Boston, Massachusetts, licensed in Massachusetts (1027191) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of Columbia University College Of Physicians And Surgeons (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Sway Peng Chen Md, Phd 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 Sway Chen 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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
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 Sway Chen's NPI number?
The NPI number for Sway Chen is 1699302166. It was assigned to this individual provider in the NPPES registry on March 25, 2020.
Where is Sway Chen located?
Sway Chen practices at 55 Fruit St. Grb-7-730, Boston, MA 02114. The listed phone number is (617) 726-2000.
What is Sway Chen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Sway Chen enrolled in Medicare?
Yes. Sway 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 Sway Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sway Chen 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 Sway Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sway Chen accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Sway 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.
When was this NPI record last updated?
The NPPES record for Sway Chen was last updated on June 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Sway Peng Chen, MD, PHD · NPI 1699302166
Gastroenterology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 25, 2020.
## Identity
- **NPI:** 1699302166 (Entity type: Individual)
- **Enumerated:** March 25, 2020
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 1027191 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST., GRB-7-730, Boston, MA 02114
- **Phone:** (617) 726-2000
## 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): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 2020
## Record status
- **NPPES last updated:** June 5, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1699302166) · Data from the CMS NPPES public registry.