Quick answers
- Does Geoffrey H. Xiao accept Medicare assignment?
- Yes. Medicare's clinician data says Geoffrey H. Xiao accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Geoffrey H. Xiao see?
- In 2024, CMS data shows 428 Original Medicare patients and 943 services for Geoffrey H. Xiao. This counts Original Medicare only and measures volume, not quality.
- What is Geoffrey H. Xiao's NPI number?
- 1790132017. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Geoffrey H. Xiao, 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.
| Original Medicare patients | 428 |
|---|---|
| Services billed to Medicare | 943 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)358 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)235 services
- Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes (99310)158 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)76 services
- Nursing facility discharge management, more than 30 minutes (99316)48 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 pressure75%
- High cholesterol73%
- Chronic kidney disease67%
- Diabetes51%
- Arthritis46%
- Depression39%
Hospitals where Geoffrey H. Xiao works
Medicare's Facility Affiliation Data lists Geoffrey H. Xiao 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.
- Adventist Health PortlandPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380060
- Hillsboro Medical CenterHillsboro, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380021
- Legacy Meridian Park Medical CenterTualatin, OR · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 380089
- OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380009
- Salem HospitalSalem, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380051
Practice locations
Addresses where Geoffrey H. Xiao is enrolled with Medicare (CMS data updated October 2, 2026).
- 15895 SW 72nd Ave, Suite 250Portland, OR 97224 (503) 624‑5630
- 650 SE Oak StHillsboro, OR 97123 (503) 648‑8588
Group practices
Medicare enrollment lists Geoffrey H. Xiao as a member of these groups (CMS data updated October 2, 2026).
- CRM Physicians LLC62 clinicians in the group
- Oregon Kidney and Hypertension Clinic LLC2 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Other clinicians in CRM Physicians LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790132017 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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