NATALIE NIELSEN M.D.
NPI 1679884779
Orthopaedic Surgery in Watertown, NY
About Natalie Nielsen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATALIE NIELSEN M.D. (NPI 1679884779) is an individual orthopaedic surgery provider in Watertown, New York, licensed in New York (282758-1) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Cape Cod Hospital, and maintains a secondary practice location in Worcester.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 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 (PECOS)
Natalie Nielsen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Natalie Nielsen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sandwich, MA 02563
- Reassigned Medicare billing, Massachusetts enrollment
- 129 clinicians in this Medicare group
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 423 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 10
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cape Cod Hospital
Acute Care Hospitals · Hyannis, MAFalmouth Hospital
Acute Care Hospitals · Falmouth, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 13601 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 3
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 2
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 Natalie Nielsen's NPI number?
The NPI number for Natalie Nielsen is 1679884779. It was assigned to this individual provider in the NPPES registry on June 24, 2010. The provider is also known as Natalie Egge M.D..
Where is Natalie Nielsen located?
Natalie Nielsen practices at 1571 Washington St Ste 201, Watertown, NY 13601. The listed phone number is (315) 782-1650.
What is Natalie Nielsen's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Natalie Nielsen enrolled in Medicare?
Yes. Natalie Nielsen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Natalie Nielsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Natalie Nielsen reassigns Medicare benefits to 2 organizations: Urgi Center Medical Group (Sandwich, MA) and Medical Affiliates Of Cape Cod, Inc. (Hyannis, 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 Natalie Nielsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Natalie Nielsen accept?
Health plans from Taro Health list Natalie Nielsen 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 Natalie Nielsen affiliated with any hospitals?
According to CMS data, Natalie Nielsen is affiliated with Cape Cod Hospital and Falmouth Hospital.
When was this NPI record last updated?
The NPPES record for Natalie Nielsen was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.