Alan F. Barker, MD

Medicare activity in 2024

Official CMS public-use data for Alan F. Barker, 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)20 services
2. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)12 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 pressure61%
• High cholesterol59%
• COPD59%
• Arthritis49%
• Depression33%
• Anxiety29%

Hospitals where Alan F. Barker works

Medicare's Facility Affiliation Data lists Alan F. Barker 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.

• 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 Alan F. Barker is enrolled with Medicare (CMS data updated October 2, 2026).

• 15700 SW Greystone CtBeaverton, OR 97006
• 3181 SW Sam Jackson Park RdPortland, OR 97239 (503) 494‑8311

Group practices

Medicare enrollment lists Alan F. Barker as a member of this group (CMS data updated October 2, 2026).

• University Professional Services1,724 clinicians in the group

Specialties

• Pulmonary Diseaseprimary
• Critical Care (Intensivists)also

Find other Pulmonary Disease doctors in Oregon →

Other pulmonologists in Beaverton

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

• Robert G. Wheeler, MD
• Jared A. Shipley, MD
• Jeffrey A. Gold, MD
• Hataya K. Poonyagariyagorn, MD
• Cameron M. Long, MD
• Jeffrey M. Bluhm, MD
• David A. Kidd, MD
• Ryan N. Best, MD

All pulmonologists in Beaverton →

Other clinicians in University Professional Services

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

• Shaalini Ramanadhan, MD
• Ryan T. Tartaglia, PA
• Wayne M. Clark, MD
• En-Haw Wu, MD
• Lishiana S. Shaffer, MD
• Hannah Frost, CSW

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