BENJAMIN SETH WESSLER MD
NPI 1457514440
Internal Medicine - Cardiovascular Disease in Boston, MA
About Benjamin Seth Wessler Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BENJAMIN SETH WESSLER MD (NPI 1457514440) is an individual cardiovascular disease provider in Boston, Massachusetts, licensed in Massachusetts (246727) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Sturdy Memorial Hospital, and is a graduate of Tufts University School Of Medicine (2008).
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 and accepts Medicare assignment
Benjamin Seth Wessler 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 Benjamin Wessler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 133 clinicians in this Medicare group
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 334 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 13
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sturdy Memorial Hospital
Acute Care Hospitals · Attleboro, MALowell General Hospital
Acute Care Hospitals · Lowell, MAMelrosewakefield Healthcare
Acute Care Hospitals · Melrose, MATufts Medical Center
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02111 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 02111
BOSTON, MA 02111
BOSTON, MA 02111
BOSTON, MA 02111
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 Benjamin Wessler's NPI number?
The NPI number for Benjamin Wessler is 1457514440. It was assigned to this individual provider in the NPPES registry on July 9, 2008.
Where is Benjamin Wessler located?
Benjamin Wessler practices at 800 Washington St, Boston, MA 02111. The listed phone number is (617) 636-5000.
What is Benjamin Wessler's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Benjamin Wessler enrolled in Medicare?
Yes. Benjamin Wessler 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 Benjamin Wessler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Wessler reassigns Medicare benefits to 2 organizations: Cardiovascular Center At Tufts Medical Center, Inc. (Boston, MA) and Pratt Medical Group, 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 Benjamin Wessler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Benjamin Wessler accept?
Health plans from Taro Health list Benjamin Wessler 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 Benjamin Wessler affiliated with any hospitals?
According to CMS data, Benjamin Wessler is affiliated with Sturdy Memorial Hospital, Lowell General Hospital, Melrosewakefield Healthcare and Tufts Medical Center.
When was this NPI record last updated?
The NPPES record for Benjamin Wessler was last updated on March 5, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.