Quick answers
- Does Khan K. Chaichana accept Medicare assignment?
- Yes. Medicare's clinician data says Khan K. Chaichana 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 Khan K. Chaichana see?
- In 2024, CMS data shows 111 Original Medicare patients and 121 services for Khan K. Chaichana. This counts Original Medicare only and measures volume, not quality.
- What is Khan K. Chaichana's NPI number?
- 1063779015. 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 Khan K. Chaichana, 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 | 111 |
|---|---|
| Services billed to Medicare | 121 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)21 services
- Anesthesia for lens surgery (00142)13 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 cholesterol72%
- Arthritis48%
- Depression36%
- Anxiety28%
- Chronic kidney disease27%
Hospitals where Khan K. Chaichana works
Medicare's Facility Affiliation Data lists Khan K. Chaichana 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.
- Providence Newberg Medical CenterNewberg, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380037
- Providence St Vincent Medical CenterPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380004
Practice locations
Addresses where Khan K. Chaichana is enrolled with Medicare (CMS data updated October 2, 2026).
- 1500 Division StOregon City, OR 97045 (503) 656‑1631
- 4805 NE Glisan StPortland, OR 97213 (503) 215‑1111
- 9205 SW Barnes RdPortland, OR 97225 (503) 216‑1234
Group practices
Medicare enrollment lists Khan K. Chaichana as a member of these groups (CMS data updated October 2, 2026).
- Hospitalist Medicine Physicians of Washington - TCS194 clinicians in the group
- Premier Anesthesia of Oregon PC33 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Oregon
Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.
Other clinicians in Hospitalist Medicine Physicians of Washington - TCS
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063779015 |
| 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