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Physician Assistant

Maksim Yefimov, PA

Works at hospitals in Portland, OR · Tualatin, OR · Oregon

Summary

Maksim Yefimov, PA is a physician assistant at 1130 NW 22nd Ave, Suite 220, Portland, OR 97210. Phone: (503) 413-8988. Accepts Medicare assignment. In 2024, Maksim Yefimov had 37 Original Medicare patients and 50 services. NPI 1447812268. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Maksim Yefimov, 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 Maksim Yefimov accept Medicare assignment?
Yes. Medicare's clinician data says Maksim Yefimov 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 Maksim Yefimov see?
In 2024, CMS data shows 37 Original Medicare patients and 50 services for Maksim Yefimov. This counts Original Medicare only and measures volume, not quality.
What is Maksim Yefimov's NPI number?
1447812268. 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 Maksim Yefimov, 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 patients37
Services billed to Medicare50
Different services or procedures20
Participating Medicare providerYes
Average age of these patients73

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%
  • High cholesterol75%
  • Arthritis57%
  • Diabetes43%
  • Stroke or mini-stroke43%
  • Depression41%

Hospitals where Maksim Yefimov works

Medicare's Facility Affiliation Data lists Maksim Yefimov 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.

Practice locations

Addresses where Maksim Yefimov is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Maksim Yefimov as a member of this group (CMS data updated October 2, 2026).

  • Legacy Clinics LLC713 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Oregon →

Other physician assistants in Portland

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

All physician assistants in Portland →

Other clinicians in Legacy Clinics LLC

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

Clinician information

CredentialPA
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447812268
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