Quick answers
- Which hospitals does John C. Halla work at?
- Medicare's official clinician data lists John C. Halla at 2 hospitals: M Health Fairview St John's Hospital and M Health Fairview Woodwinds Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John C. Halla see patients?
- Medicare's clinician data lists 2 practice locations, including Maplewood, MN and Saint Paul, MN. Call before your visit to confirm the address.
- What is John C. Halla's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Geriatric Medicine.
- Does John C. Halla accept Medicare assignment?
- Yes. Medicare's clinician data says John C. Halla 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.
- What is John C. Halla's NPI number?
- 1285874222. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John C. Halla works
Medicare's Facility Affiliation Data lists John C. Halla at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- M Health Fairview St John's HospitalMaplewood, MN · Acute Care Hospital · CCN 240210
- M Health Fairview Woodwinds HospitalWoodbury, MN · Acute Care Hospital · CCN 240213
Practice locations
Addresses where John C. Halla is enrolled with Medicare (CMS data updated 2026-10-02).
- 1575 Beam AveMaplewood, MN 55109
- 1700 University Ave WSaint Paul, MN 55104
Group practices
Medicare enrollment lists John C. Halla as a member of this group (CMS data updated 2026-10-02).
- HealthEast Medical Research Institute649 clinicians in the group
Specialties
- Internal Medicineprimary
- Geriatric Medicinealso
Other internal medicine doctors in Maplewood
Clinicians with the same Medicare primary specialty in Maplewood, MN — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Medical school | Arizona College Of Osteopathic Medicine Mid Western University |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285874222 |
| 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