ANDREA R RIZZO MD
NPI 1558351676
Internal Medicine in Sudbury, MA
About Andrea R Rizzo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREA R RIZZO MD (NPI 1558351676) is an individual internal medicine provider in Sudbury, Massachusetts, licensed in Massachusetts (56243) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with Massachusetts Eye And Ear Infirmary -, and is a graduate of Tufts University School Of Medicine (1983).
NPPES Registry Identity
Specialties & Licenses
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 and accepts Medicare assignment
Andrea R Rizzo 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 Reassignment
Medicare enrollment records show Andrea Rizzo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Concord, MA 01742
- Reassigned Medicare billing, Massachusetts enrollment
- 451 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 12
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts Eye And Ear Infirmary -
Acute Care Hospitals · Boston, MAEmerson Hospital -
Acute Care Hospitals · W Concord, MAUmass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MALahey Hospital & Medical Center, Burlington
Acute Care Hospitals · Burlington, MAMetrowest Medical Center
Acute Care Hospitals · Framingham, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01776 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 4
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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SUDBURY, MA 01776
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 Andrea Rizzo's NPI number?
The NPI number for Andrea Rizzo is 1558351676. It was assigned to this individual provider in the NPPES registry on October 28, 2005.
Where is Andrea Rizzo located?
Andrea Rizzo practices at 490 Boston Post Rd Suite 203, Sudbury, MA 01776. The listed phone number is (978) 443-6086.
What is Andrea Rizzo's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Andrea Rizzo enrolled in Medicare?
Yes. Andrea Rizzo 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 organization bills Medicare for Andrea Rizzo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Rizzo reassigns Medicare benefits to Emerson Practice Associates, Inc. (Concord, MA). The 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 Andrea Rizzo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Andrea Rizzo accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Andrea Rizzo 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 Andrea Rizzo affiliated with any hospitals?
According to CMS data, Andrea Rizzo is affiliated with Massachusetts Eye And Ear Infirmary -, Emerson Hospital -, Umass Memorial Medical Center/University Campus, Lahey Hospital & Medical Center, Burlington and Metrowest Medical Center.
When was this NPI record last updated?
The NPPES record for Andrea Rizzo was last updated on May 26, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.