DR. BENJAMIN ADAM NELSON MD
NPI 1992831721
Pediatrics - Pediatric Pulmonology in Worcester, MA

Active since February 26, 2007PECOS Enrolled
55 LAKE AVE N, WORCESTER, MA 01655(774) 441-8086(774) 441-8071 Get Directions Write a Review

NPPES record last updated: January 30, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 30, 2026, Nov 2, 2023 (2 updates tracked since 2023).

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

NPI1992831721
Entity TypeIndividualMale
Primary Taxonomy2080P0214X
Provider Legal NameDR. BENJAMIN ADAM NELSONCredential: MD
Location Address55 LAKE AVE NWorcester, MA 01655-0002
Mailing Address55 Lake Ave NWorcester, MA 01655-0002 · (774) 441-8086 · Fax (774) 441-8071
Fax(774) 441-8071
Sole ProprietorNo
Enumeration DateFebruary 26, 2007
Last NPPES UpdateJanuary 30, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 30, 2026
✔ NPI 1992831721 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric PulmonologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0214X
License✔ Licensed in MA · 230900
Definition
A pediatrician dedicated to the prevention and treatment of all respiratory diseases affecting infants, children and young adults. This specialist is knowledgeable about the growth and development of the lung, assessment of respiratory function in infants and children, and experienced in a variety of invasive and noninvasive diagnostic techniques.
55 LAKE AVE N, Worcester, MA 01655

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare 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.

Internal Medicine
55 LAKE AVE N
Worcester, MA 01655
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,902 clinicians in this Medicare group
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
Dermatology
55 FRUIT ST, BUL 2
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.

Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Nurse Practitioner
55 LAKE AVE N
WORCESTER, MA 01655
Nurse Practitioner
55 LAKE AVE N, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655
Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Physician Assistant
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine (Hematology & Oncology)
55 LAKE AVE N
WORCESTER, MA 01655
Anesthesiology
55 LAKE AVE N, ANESTHESIOLOGY
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.