Quick answers
- Does Xiaotun Zhang accept Medicare assignment?
- Yes. Medicare's clinician data says Xiaotun Zhang 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 Xiaotun Zhang see?
- In 2024, CMS data shows 535 Original Medicare patients and 1,714 services for Xiaotun Zhang. This counts Original Medicare only and measures volume, not quality.
- What is Xiaotun Zhang's NPI number?
- 1518346857. 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 Xiaotun Zhang, 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 | 535 |
|---|---|
| Services billed to Medicare | 1,714 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)493 services
- Special stained specimen slides to examine tissue, each additional procedure (88341)416 services
- Special stained specimen slides to examine tissue, initial procedure (88342)184 services
- Pathology examination of tissue using a microscope, moderately high complexity (88307)96 services
- Special stained specimen slides to examine tissue, each multiplex procedure (88344)88 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 cholesterol72%
- High blood pressure68%
- Arthritis37%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)34%
- Diabetes28%
- Chronic kidney disease26%
Hospitals where Xiaotun Zhang works
Medicare's Facility Affiliation Data lists Xiaotun Zhang 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.
- Alaska Regional HospitalAnchorage, AK · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 020017
- Providence Regional Medical Center EverettEverett, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500014
- Swedish Edmonds HospitalEdmonds, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500026
- Swedish IssaquahIssaquah, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500152
- Swedish Medical CenterSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500027
Practice locations
Addresses where Xiaotun Zhang is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 12; the Medicare profile lists all.
- 1171 W Target Range RdNogales, AZ 85621 (844) 344‑4209
- 12040 NE 128th St, Ms 44Kirkland, WA 98034 (844) 344‑4209
- 1229 Madison St, Suite 820Seattle, WA 98104 (206) 576‑6094
- 1321 Colby AveEverett, WA 98201 (425) 261‑2000
- 1601 W Saint Marys RdTucson, AZ 85745 (844) 344‑4209
Group practices
Medicare enrollment lists Xiaotun Zhang as a member of this group (CMS data updated October 2, 2026).
- Cellnetix Pathology PLLC59 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Nogales
Clinicians with the same Medicare primary specialty in Nogales, AZ — not a recommendation.
Other clinicians in Cellnetix Pathology PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518346857 |
| 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