JOHN KADZIELSKI MD PLLC
NPI 1043190499
Orthopaedic Surgery - Hand Surgery in Quincy, MA
About John Kadzielski Md Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN KADZIELSKI MD PLLC (NPI 1043190499), doing business as Hand & Upper Extremity Center Of New England, is a healthcare organization registered as a hand surgery in Quincy, Massachusetts and active in the NPI registry since September 2025. The organization lists John J Kadzielski, Md, Owner, Authorized Official, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John Kadzielski Md Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
4Medicare enrollment records show 4 clinicians reassign Medicare billing to John Kadzielski MD PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.
Clinicians, nearest first (4)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 John Kadzielski MD PLLC's NPI number?
The NPI number for John Kadzielski MD PLLC is 1043190499. It was assigned to this organization in the NPPES registry on September 5, 2025. The provider is doing business as Hand & Upper Extremity Center of New England.
Where is John Kadzielski MD PLLC located?
John Kadzielski MD PLLC is located at 300 Congress St Ste 304, Quincy, MA 02169. The listed phone number is (617) 773-2200.
What is John Kadzielski MD PLLC's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.
Is John Kadzielski MD PLLC enrolled in Medicare?
Yes. John Kadzielski MD PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through John Kadzielski MD PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to John Kadzielski MD PLLC. A 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 the clinician's services. The largest specialties are Occupational Therapist in Private Practice (3) and Orthopedic Surgery (1). Of these, 1 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for John Kadzielski MD PLLC was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# John Kadzielski Md Pllc · NPI 1043190499
Hand Surgery organization in Quincy, Massachusetts. Organization record, active in the CMS NPPES registry since September 5, 2025.
## Identity
- **NPI:** 1043190499 (Entity type: Organization)
- **Enumerated:** September 5, 2025
- **Primary specialty:** Orthopaedic Surgery - Hand Surgery · taxonomy 207XS0106X
- **Also known as:** Hand & Upper Extremity Center of New England (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** John Kadzielski, MD, OWNER, AUTHORIZED OFFICIAL
## Practice location
- **Address:** 300 CONGRESS ST STE 304, Quincy, MA 02169-0907
- **Phone:** (617) 773-2200 · **Fax:** (617) 773-2202
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 4 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Occupational Therapist in Private Practice (3), Orthopedic Surgery (1); 1 practice at this address and 3 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 16, 2025
- **Other identifiers:** Medicaid 110229273B (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1043190499) · Data from the CMS NPPES public registry.