HEATHER D NIELSEN DO
NPI 1366861981
Family Medicine in Jacksonville, FL
About Heather D Nielsen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEATHER D NIELSEN DO (NPI 1366861981) is an individual family medicine provider in Jacksonville, Florida, licensed in Wisconsin (13363) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, is affiliated with Baptist Health Medical Center - Jacksonville, and maintains a secondary practice location in La Crosse.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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
Heather D Nielsen Do 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 Reassignments
2Medicare enrollment records show Heather Nielsen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
St Johns, FL 32259
- Reassigned Medicare billing, Florida enrollment
- 569 clinicians in this Medicare group
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,003 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 16
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baptist Health Medical Center - Jacksonville
Acute Care Hospitals · Jacksonville, FLFlagler Hospital
Acute Care Hospitals · Saint Augustine, FLMayo Clinic Health System - Albert Lea And Austin
Acute Care Hospitals · Albert Lea, MNMayo Clinic Health System-Northland
Critical Access Hospitals · Barron, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32223 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.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Heather Nielsen's NPI number?
The NPI number for Heather Nielsen is 1366861981. It was assigned to this individual provider in the NPPES registry on April 10, 2014. The provider is also known as Heather Denton Do.
Where is Heather Nielsen located?
Heather Nielsen practices at 14830 Ingle Ln, Jacksonville, FL 32223. The listed phone number is (205) 223-6261.
What is Heather Nielsen's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Heather Nielsen enrolled in Medicare?
Yes. Heather Nielsen 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 organizations bill Medicare for Heather Nielsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heather Nielsen reassigns Medicare benefits to 2 organizations: Baptist Primary Care Inc (St Johns, FL) and Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (La Crosse, WI). 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 Heather Nielsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Heather Nielsen affiliated with any hospitals?
According to CMS data, Heather Nielsen is affiliated with Baptist Health Medical Center - Jacksonville, Flagler Hospital, Mayo Clinic Health System - Albert Lea And Austin and Mayo Clinic Health System-Northland.
When was this NPI record last updated?
The NPPES record for Heather Nielsen was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.