Quick answers
- Which hospitals does Madeline G. Hellendag work at?
- Medicare's official clinician data lists Madeline G. Hellendag at 1 hospital: Abbott Northwestern Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Madeline G. Hellendag see patients?
- Medicare's clinician data lists 1 practice location in Annandale, MN. Call before your visit to confirm the address.
- What is Madeline G. Hellendag's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Madeline G. Hellendag accept Medicare assignment?
- Yes. Medicare's clinician data says Madeline G. Hellendag 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 Madeline G. Hellendag offer telehealth?
- Medicare's clinician data says Madeline G. Hellendag offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Madeline G. Hellendag?
- (320) 682-5225, as listed in official Medicare / NPI Registry data.
- What is Madeline G. Hellendag's NPI number?
- 1912396615. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Madeline G. Hellendag works
Medicare's Facility Affiliation Data lists Madeline G. Hellendag at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Abbott Northwestern HospitalMinneapolis, MN · Acute Care Hospital · CCN 240057
Practice locations
Addresses where Madeline G. Hellendag is enrolled with Medicare (CMS data updated 2026-10-02).
- 440 Elm St EAnnandale, MN 55302 (320) 682‑5225
Group practices
Medicare enrollment lists Madeline G. Hellendag as a member of this group (CMS data updated 2026-10-02).
- Allina Health System3,842 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Annandale
Clinicians with the same Medicare primary specialty in Annandale, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1912396615 |
| 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