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Physician Assistant

Shannon D. Trammell, PA

Sees patients in Corvallis, OR · Oregon

Summary

Shannon D. Trammell, PA is a physician assistant at 3680 NW Samaritan Dr, Corvallis, OR 97330. Phone: (541) 754-1150. Accepts Medicare assignment. In 2024, Shannon D. Trammell had 89 Original Medicare patients and 275 services. NPI 1679129753. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 3680 NW Samaritan Dr, Corvallis, OR 97330 · Directions (1 more location)
  • Phone: (541) 754‑1150
  • Medicare: Accepts Medicare assignment
  • Group practice: The Corvallis Clinic P C
  • School: graduated 2019
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Shannon D. Trammell, 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 Shannon D. Trammell accept Medicare assignment?
Yes. Medicare's clinician data says Shannon D. Trammell 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 Shannon D. Trammell see?
In 2024, CMS data shows 89 Original Medicare patients and 275 services for Shannon D. Trammell. This counts Original Medicare only and measures volume, not quality.
What is Shannon D. Trammell's NPI number?
1679129753. 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 Shannon D. Trammell, 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 patients89
Services billed to Medicare275
Different services or procedures13
Participating Medicare providerYes
Average age of these patients72

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)101 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)79 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)26 services
  4. Urinalysis, manual test (81002)21 services
  5. Annual alcohol misuse screening, 5 to 15 minutes (G0442)15 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 cholesterol75%
  • High blood pressure58%
  • Arthritis56%
  • Diabetes33%
  • Anxiety28%
  • Depression20%

Practice locations

Addresses where Shannon D. Trammell is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Shannon D. Trammell as a member of this group (CMS data updated October 2, 2026).

  • The Corvallis Clinic P C124 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Oregon →

Other physician assistants in Corvallis

Clinicians with the same Medicare primary specialty in Corvallis, OR — not a recommendation.

All physician assistants in Corvallis →

Other clinicians in The Corvallis Clinic P C

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

Clinician information

CredentialPA
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679129753
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians