DR. BENJAMIN ADAM NELSON MD
NPI 1992831721
Pediatrics - Pediatric Pulmonology in Worcester, MA
About Dr. Benjamin Adam Nelson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BENJAMIN ADAM NELSON MD (NPI 1992831721) is an individual pediatric pulmonology provider in Worcester, Massachusetts, licensed in Massachusetts (230900) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Benjamin Adam Nelson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Benjamin Nelson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 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.
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.
WORCESTER, MA 01655
WORCESTER, MA 01655
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 Nelson's NPI number?
The NPI number for Benjamin Nelson is 1992831721. It was assigned to this individual provider in the NPPES registry on February 26, 2007.
Where is Benjamin Nelson located?
Benjamin Nelson practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (774) 441-8086.
What is Benjamin Nelson's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Pulmonology, with taxonomy code 2080P0214X.
Is Benjamin Nelson enrolled in Medicare?
Yes. Benjamin Nelson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Benjamin Nelson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Nelson reassigns Medicare benefits to 3 organizations: Umass Memorial Medical Group Inc (Worcester, 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 Benjamin Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Benjamin Nelson accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Benjamin Nelson 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 Benjamin Nelson was last updated on January 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.