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Physician Assistant

Aaron F. Tesman, PA

Works at hospitals in Alturas, CA · Klamath Falls, OR · California, Oregon

Summary

Aaron F. Tesman, PA is a physician assistant at 2200 Bryant Williams Dr, Klamath Falls, OR 97601. Phone: (541) 274-6733. Accepts Medicare assignment. In 2024, Aaron F. Tesman had 232 Original Medicare patients and 549 services. NPI 1942255302. 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: Physician assistant
  • Address: 2200 Bryant Williams Dr, Klamath Falls, OR 97601 · Directions (3 more locations)
  • Phone: (541) 274‑6733
  • Medicare: Accepts Medicare assignment
  • Hospitals: Modoc Medical Center, Sky Lakes Medical Center
  • Group practice: Sky Lakes Medical Center Inc
  • School: Oregon Health Sciences University School Of Medicine · graduated 1999
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Aaron F. Tesman, 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 Aaron F. Tesman accept Medicare assignment?
Yes. Medicare's clinician data says Aaron F. Tesman 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 Aaron F. Tesman see?
In 2024, CMS data shows 232 Original Medicare patients and 549 services for Aaron F. Tesman. This counts Original Medicare only and measures volume, not quality.
What is Aaron F. Tesman's NPI number?
1942255302. 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 Aaron F. Tesman, 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 patients232
Services billed to Medicare549
Different services or procedures70
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)51 services
  2. X-ray of hip, 2-3 views (73502)27 services
  3. X-ray of knee, 3 views (73562)25 services
  4. Prosthetic repair of shoulder joint, total shoulder (23472)19 services
  5. X-ray of wrist, minimum of 3 views (73110)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 cholesterol64%
  • Depression30%
  • Diabetes25%
  • Anxiety25%

Hospitals where Aaron F. Tesman works

Medicare's Facility Affiliation Data lists Aaron F. Tesman 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.

  • Modoc Medical CenterAlturas, CA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 051330
  • Sky Lakes Medical CenterKlamath Falls, OR · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 380050

Practice locations

Addresses where Aaron F. Tesman is enrolled with Medicare (CMS data updated October 2, 2026).

  • 2200 Bryant Williams DrKlamath Falls, OR 97601
  • 2821 Daggett Ave, Suite 100Klamath Falls, OR 97601 (541) 274‑6733
  • 2865 Daggett AveKlamath Falls, OR 97601 (541) 274‑6221
  • 2865 Daggett Ave, Sky Lakes Medical CenterKlamath Falls, OR 97601

Group practices

Medicare enrollment lists Aaron F. Tesman as a member of this group (CMS data updated October 2, 2026).

  • Sky Lakes Medical Center Inc215 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Oregon →

Other physician assistants in Klamath Falls

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

All physician assistants in Klamath Falls →

Other clinicians in Sky Lakes Medical Center Inc

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

Clinician information

CredentialPA
SchoolOregon Health Sciences University School Of Medicine
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942255302
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