MARK ROBERT ZONFRILLO MD
NPI 1235180852
Emergency Medicine - Pediatric Emergency Medicine in Newton, MA
About Mark Robert Zonfrillo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK ROBERT ZONFRILLO MD (NPI 1235180852) is an individual pediatric emergency medicine provider in Newton, Massachusetts, licensed in Massachusetts (1024725) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in New London.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 3
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)
Mark Robert Zonfrillo Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Mark Zonfrillo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Providence, RI 02905
- Reassigned Medicare billing, Rhode Island enrollment
- 1,372 clinicians in this Medicare group
Salem, NH 03079
- Reassigned Medicare billing, Massachusetts enrollment
- 181 clinicians in this Medicare group
New London, CT 06320
- Reassigned Medicare billing, Connecticut enrollment
- 65 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 02462 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.
NEWTON, MA 02462
NEWTON, MA 02462
NEWTON, MA 02462
NEWTON, MA 02462
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 Mark Zonfrillo's NPI number?
The NPI number for Mark Zonfrillo is 1235180852. It was assigned to this individual provider in the NPPES registry on May 16, 2006.
Where is Mark Zonfrillo located?
Mark Zonfrillo practices at 2014 Washington St, Newton, MA 02462. The listed phone number is (617) 243-6000.
What is Mark Zonfrillo's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Pediatric Emergency Medicine, with taxonomy code 207PP0204X.
Is Mark Zonfrillo enrolled in Medicare?
Yes. Mark Zonfrillo is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mark Zonfrillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Zonfrillo reassigns Medicare benefits to 3 organizations: Lifespan Physician Group, Inc. (Providence, RI), Mass General Brigham Medical Group, Inc. (Salem, NH) and Lawrence And Memorial Hospital, Inc. (New London, CT). 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 Mark Zonfrillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Zonfrillo accept?
Health plans from Taro Health list Mark Zonfrillo 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 Mark Zonfrillo was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Mark Robert Zonfrillo, MD · NPI 1235180852
Pediatric Emergency Medicine physician in Newton, Massachusetts. Individual provider, active in the CMS NPPES registry since May 16, 2006.
## Identity
- **NPI:** 1235180852 (Entity type: Individual)
- **Enumerated:** May 16, 2006
- **Primary specialty:** Emergency Medicine - Pediatric Emergency Medicine · taxonomy 207PP0204X
- **State license:** 1024725 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 2014 WASHINGTON ST, Newton, MA 02462-1699
- **Phone:** (617) 243-6000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Lifespan Physician Group, Inc. (NPI 1174484216, Providence, RI); Mass General Brigham Medical Group, Inc. (NPI 1083360200, Salem, NH); Lawrence And Memorial Hospital, Inc. (NPI 1073530879, New London, CT) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 11, 2025
- **Other identifiers:** Medicaid 1235180852 (RI); Other U400222345 (RI); Medicaid 110102928A (MA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1235180852) · Data from the CMS NPPES public registry.