Quick answers
- Does Andrew L. Gray accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew L. Gray 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 Andrew L. Gray see?
- In 2024, CMS data shows 102 Original Medicare patients and 228 services for Andrew L. Gray. This counts Original Medicare only and measures volume, not quality.
- What is Andrew L. Gray's NPI number?
- 1558821264. 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 Andrew L. Gray, 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 | 102 |
|---|---|
| Services billed to Medicare | 228 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)75 services
- Hospital discharge day management, 30 minutes or less (99238)25 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)24 services
- Routine electrocardiogram (ecg) using at least 12 leads with tracing (93005)17 services
- Biopsy of large bowel using a flexible endoscope (45380)14 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 pressure66%
- High cholesterol60%
- Arthritis48%
- Chronic kidney disease26%
- Depression25%
- Atrial fibrillation25%
Hospitals where Andrew L. Gray works
Medicare's Facility Affiliation Data lists Andrew L. Gray 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.
- Confluence Health HospitalWenatchee, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500016
- Lake Chelan Community HospitalChelan, WA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 501334
Practice locations
Addresses where Andrew L. Gray is enrolled with Medicare (CMS data updated October 2, 2026).
- 105 S Apple Blossom DrChelan, WA 98816 (509) 682‑6000
- 600 Orondo Ave, Suite 1Wenatchee, WA 98801 (509) 662‑6000
Group practices
Medicare enrollment lists Andrew L. Gray as a member of this group (CMS data updated October 2, 2026).
- Columbia Valley Community Health62 clinicians in the group
Specialties
- Emergency Medicineprimary
- Family Practicealso
Other emergency medicine doctors in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Other clinicians in Columbia Valley Community Health
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Pacific Nw Un Of Hs, Col Of Osteopathic Medicine |
| Graduation year | 2019 (7 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558821264 |
| 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