THADDEUS J NIGBOROWICZ MD
NPI 1437257268
Internal Medicine in Burlington, MA
About Thaddeus J Nigborowicz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THADDEUS J NIGBOROWICZ MD (NPI 1437257268) is an individual internal medicine provider in Burlington, Massachusetts, licensed in Massachusetts (205726) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Northeast Hospital Corporation, and is a graduate of Albany Medical College Of Union University (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Thaddeus J Nigborowicz 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 Thaddeus Nigborowicz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1063447316 (Massachusetts)
- 1,574 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 4
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northeast Hospital Corporation
Acute Care Hospitals · Beverly, MABeth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MALahey Hospital & Medical Center, Burlington
Acute Care Hospitals · Burlington, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01803 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Thaddeus Nigborowicz's NPI number?
The NPI number for Thaddeus Nigborowicz is 1437257268. It was assigned to this individual provider in the NPPES registry on September 20, 2006.
Where is Thaddeus Nigborowicz located?
Thaddeus Nigborowicz practices at 67 S Bedford St Ste 202E, Burlington, MA 01803. The listed phone number is (781) 744-7000.
What is Thaddeus Nigborowicz's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Thaddeus Nigborowicz enrolled in Medicare?
Yes. Thaddeus Nigborowicz 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 Thaddeus Nigborowicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thaddeus Nigborowicz reassigns Medicare benefits to Lahey Clinic, Inc. (Burlington, 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 Thaddeus Nigborowicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thaddeus Nigborowicz accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Thaddeus Nigborowicz 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 Thaddeus Nigborowicz affiliated with any hospitals?
According to CMS data, Thaddeus Nigborowicz is affiliated with Northeast Hospital Corporation, Beth Israel Deaconess Medical Center and Lahey Hospital & Medical Center, Burlington.
When was this NPI record last updated?
The NPPES record for Thaddeus Nigborowicz was last updated on April 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Thaddeus J Nigborowicz, MD · NPI 1437257268
Internal Medicine physician in Burlington, Massachusetts. Individual provider, active in the CMS NPPES registry since September 20, 2006.
## Identity
- **NPI:** 1437257268 (Entity type: Individual)
- **Enumerated:** September 20, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 205726 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 67 S BEDFORD ST STE 202E, Burlington, MA 01803-5141
- **Phone:** (781) 744-7000 · **Fax:** (781) 744-5348
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Lahey Clinic, Inc. (NPI 1538194980, Burlington, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albany Medical College Of Union University, class of 1997
## Record status
- **NPPES last updated:** April 14, 2021
- **Other identifiers:** Medicaid 0122840 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1437257268) · Data from the CMS NPPES public registry.