Quick answers
- Which hospitals does Julie E. Hallanger-Johnson work at?
- Medicare's official clinician data lists Julie E. Hallanger-Johnson at 3 hospitals: Mayo Clinic Health System - Mankato, Mayo Clinic Health System in Red Wing and Mayo Clinic Hospital Rochester. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Julie E. Hallanger-Johnson see patients?
- Medicare's clinician data lists 1 practice location in Rochester, MN. Call before your visit to confirm the address.
- What is Julie E. Hallanger-Johnson's specialty?
- Medicare lists Endocrinology as the primary specialty, and also Internal Medicine.
- Does Julie E. Hallanger-Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Julie E. Hallanger-Johnson 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 Julie E. Hallanger-Johnson offer telehealth?
- Medicare's clinician data says Julie E. Hallanger-Johnson offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Julie E. Hallanger-Johnson?
- (507) 284-2511, as listed in official Medicare / NPI Registry data.
- What is Julie E. Hallanger-Johnson's NPI number?
- 1417921677. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Julie E. Hallanger-Johnson works
Medicare's Facility Affiliation Data lists Julie E. Hallanger-Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mayo Clinic Health System - MankatoMankato, MN · Acute Care Hospital · CCN 240093
- Mayo Clinic Health System in Red WingRed Wing, MN · Acute Care Hospital · CCN 240018
- Mayo Clinic Hospital RochesterRochester, MN · Acute Care Hospital · CCN 240010
Practice locations
Addresses where Julie E. Hallanger-Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 1st St SWRochester, MN 55905 (507) 284‑2511
Group practices
Medicare enrollment lists Julie E. Hallanger-Johnson as a member of this group (CMS data updated 2026-10-02).
- Mayo Clinic4,956 clinicians in the group
Specialties
- Endocrinologyprimary
- Internal Medicinealso
Other endocrinologists in Rochester
Clinicians with the same Medicare primary specialty in Rochester, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Dakota School Of Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1417921677 |
| 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