Quick answers
- Which hospitals does Jan-Michael Andresen work at?
- Medicare's official clinician data lists Jan-Michael Andresen at 5 hospitals: Community Hospital, Delta County Memorial Hospital, Eastern Rio Blanco County Health Service District, Intermountain Health St. Mary's Regional Hospital and Montrose Regional Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jan-Michael Andresen see patients?
- Medicare's clinician data lists 1 practice location in Grand Junction, CO. Call before your visit to confirm the address.
- What is Jan-Michael Andresen's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Jan-Michael Andresen accept Medicare assignment?
- Yes. Medicare's clinician data says Jan-Michael Andresen 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 the phone number for Jan-Michael Andresen?
- (970) 298-7783, as listed in official Medicare / NPI Registry data.
- What is Jan-Michael Andresen's NPI number?
- 1356757421. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jan-Michael Andresen works
Medicare's Facility Affiliation Data lists Jan-Michael Andresen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community HospitalGrand Junction, CO · Acute Care Hospital · CCN 060054
- Delta County Memorial HospitalDelta, CO · Acute Care Hospital · CCN 060071
- Eastern Rio Blanco County Health Service DistrictMeeker, CO · Critical Access Hospital · CCN 061325
- Intermountain Health St. Mary's Regional HospitalGrand Junction, CO · Acute Care Hospital · CCN 060023
- Montrose Regional HealthMontrose, CO · Acute Care Hospital · CCN 060006
Practice locations
Addresses where Jan-Michael Andresen is enrolled with Medicare (CMS data updated 2026-10-02).
- 2635 N 7th St, Suite 4205 Grand Junction HospitalistsGrand Junction, CO 81501 (970) 298‑7783
Group practices
Medicare enrollment lists Jan-Michael Andresen as a member of this group (CMS data updated 2026-10-02).
- Intermountain Medical Group Grand Junction, LLC296 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Grand Junction
Clinicians with the same Medicare primary specialty in Grand Junction, CO — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lake Erie College Of Osteopathic Medicine, Erie |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356757421 |
| 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