Quick answers
- Does Holly B. Chandler accept Medicare assignment?
- Yes. Medicare's clinician data says Holly B. Chandler 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 Holly B. Chandler see?
- In 2024, CMS data shows 371 Original Medicare patients and 3,748 services for Holly B. Chandler. This counts Original Medicare only and measures volume, not quality.
- What is Holly B. Chandler's NPI number?
- 1447431226. 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 Holly B. Chandler, 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 | 371 |
|---|---|
| Services billed to Medicare | 3,748 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)344 services
- Destruction of precancer skin growth, 2-14 growths (17003)268 services
- Destruction of skin growth, 1-14 growths (17110)195 services
- Destruction of precancer skin growth, 1 growth (17000)144 services
- Biopsy of related skin growth, first growth (11102)97 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 cholesterol68%
- High blood pressure57%
- Arthritis46%
- Diabetes21%
- Anxiety16%
- Osteoporosis16%
Hospitals where Holly B. Chandler works
Medicare's Facility Affiliation Data lists Holly B. Chandler 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.
- 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 Holly B. Chandler is enrolled with Medicare (CMS data updated October 2, 2026).
- 5920 NE Ray Cir, Suite 200Hillsboro, OR 97124 (503) 297‑3440
- 9135 SW Barnes Rd, Suite 875Portland, OR 97225 (503) 297‑3440
Group practices
Medicare enrollment lists Holly B. Chandler as a member of this group (CMS data updated October 2, 2026).
- Center for Dermatology and Laser Surgery P C6 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Hillsboro
Clinicians with the same Medicare primary specialty in Hillsboro, OR — not a recommendation.
Other clinicians in Center for Dermatology and Laser Surgery P C
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2007 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447431226 |
| 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