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Neurosurgery

Trent L. Tredway, MD

Works at hospitals in Federal Way, WA · Seattle, WA · Washington

Summary

Dr. Trent L. Tredway, MD is a neurosurgeon at 929 E Main, Suite 215, Puyallup, WA 98372. Phone: (206) 623-1334. Accepts Medicare assignment. In 2024, Trent L. Tredway had 167 Original Medicare patients and 374 services. NPI 1013074558. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Neurosurgeon (Medicare lists Neurosurgery)
  • Address: 929 E Main, Suite 215, Puyallup, WA 98372 · Directions
  • Phone: (206) 623‑1334
  • Medicare: Accepts Medicare assignment
  • Hospitals: St Francis Community Hospital, Swedish Medical Center
  • Group practice: Trent L Tredway MD
  • Medical school: Rush Medical College Of Rush University · graduated 1997 (29 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Trent L. Tredway, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Trent L. Tredway accept Medicare assignment?
Yes. Medicare's clinician data says Trent L. Tredway 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 Trent L. Tredway see?
In 2024, CMS data shows 167 Original Medicare patients and 374 services for Trent L. Tredway. This counts Original Medicare only and measures volume, not quality.
What is Trent L. Tredway's NPI number?
1013074558. 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 Trent L. Tredway, 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 patients167
Services billed to Medicare374
Different services or procedures25
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)142 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)77 services
  3. Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment (63048)32 services
  4. Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment (63047)18 services
  5. Insertion of cage or mesh device to spine bone and disc space during spine fusion (22853)17 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%
  • Arthritis75%
  • High cholesterol69%
  • Diabetes28%
  • Ischemic heart disease22%
  • Chronic kidney disease21%

Hospitals where Trent L. Tredway works

Medicare's Facility Affiliation Data lists Trent L. Tredway 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.

  • St Francis Community HospitalFederal Way, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500141
  • Swedish Medical CenterSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500027

Practice locations

Addresses where Trent L. Tredway is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Trent L. Tredway as a member of this group (CMS data updated October 2, 2026).

  • Trent L Tredway MD2 clinicians in the group

Specialties

Find other Neurosurgery doctors in Washington →

Other neurosurgeons in Washington

Clinicians with the same Medicare primary specialty in Washington — not a recommendation.

All neurosurgeons in Washington →

Other clinicians in Trent L Tredway MD

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolRush Medical College Of Rush University
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013074558
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians