Andrea G. Janssen, MD

Medicare activity in 2024

Official CMS public-use data for Andrea G. Janssen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)92 services
2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)83 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)44 services
4. Admn sarscov2 vacc 1 dose (90480)19 services
5. Sarscov2 vac 50 mcg/0.5ml im (91322)19 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure63%
• High cholesterol53%
• Arthritis39%
• Anxiety31%
• Diabetes30%
• Depression26%

Hospitals where Andrea G. Janssen works

Medicare's Facility Affiliation Data lists Andrea G. Janssen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Blue Mountain HospitalJohn Day, OR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 381305
• Hillsboro Medical CenterHillsboro, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380021
• OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380009

Practice locations

Addresses where Andrea G. Janssen is enrolled with Medicare (CMS data updated October 2, 2026).

• 170 Ford RdJohn Day, OR 97845 (541) 575‑1311
• 335 SE 8th AveHillsboro, OR 97123 (503) 681‑1111

Group practices

Medicare enrollment lists Andrea G. Janssen as a member of these groups (CMS data updated October 2, 2026).

• Tuality Medical Group LLC297 clinicians in the group
• Blue Mountain Hospital District29 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Oregon →

Other family doctors in John Day

Clinicians with the same Medicare primary specialty in John Day, OR — not a recommendation.

• Jianming Song, MD
• Brent H. Shepherd, MD
• Andrew G. Janssen, MD
• Brian V. Hopkins, DO
• Emily Lieuallen, DO
• Zachary Bailey, MD
• Derek G. Zickgraf, DO
• Galen H. Church, DO

All family doctors in John Day →

Other clinicians in Tuality Medical Group LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Rand Ladkany, MD
• Caitlin C. Starr, NP
• Kristin Morton, MD
• Chelsea Roberts, MD
• Nicolas A. Johnson, MD
• Madhavi C. Tangirala, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians