Quick answers
- Which hospitals does Heather Nielsen work at?
- Medicare's official clinician data lists Heather Nielsen at 4 hospitals: Baptist Health Medical Center - Jacksonville, Flagler Hospital, Mayo Clinic Health System - Albert Lea and Austin and Mayo Clinic Health System-Northland. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Heather Nielsen see patients?
- Medicare's clinician data lists 1 practice location in St Augustine, FL. Call before your visit to confirm the address.
- What is Heather Nielsen's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Heather Nielsen accept Medicare assignment?
- Yes. Medicare's clinician data says Heather Nielsen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Heather Nielsen offer telehealth?
- Medicare's clinician data says Heather Nielsen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Heather Nielsen?
- (904) 940-1441, as listed in official Medicare / NPI Registry data.
- What is Heather Nielsen's NPI number?
- 1366861981. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Heather Nielsen works
Medicare's Facility Affiliation Data lists Heather Nielsen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baptist Health Medical Center - JacksonvilleJacksonville, FL · Acute Care Hospital · CCN 100088
- Flagler HospitalSaint Augustine, FL · Acute Care Hospital · CCN 100090
- Mayo Clinic Health System - Albert Lea and AustinAlbert Lea, MN · Acute Care Hospital · CCN 240043
- Mayo Clinic Health System-NorthlandBarron, WI · Critical Access Hospital · CCN 521315
Practice locations
Addresses where Heather Nielsen is enrolled with Medicare (CMS data updated 2026-10-02).
- 559 W Twincourt Trl, Suite 601St Augustine, FL 32095 (904) 940‑1441
Group practices
Medicare enrollment lists Heather Nielsen as a member of this group (CMS data updated 2026-10-02).
- Baptist Primary Care Inc471 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in St Augustine
Clinicians with the same Medicare primary specialty in St Augustine, FL — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1366861981 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians