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Family Practice

Jan D. Weichsel, MD

Sees patients in Clackamas, OR · Portland, OR · Oregon

Summary

Jan D. Weichsel, MD (Family Practice) is enrolled with Medicare at 3 practice locations in Clackamas, OR and Portland, OR. NPI 1558776591. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jan D. Weichsel, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
University Of Arizona College Of MedicineMedical school
MaleGender (as listed)
Kaiser Foundation Health Plan of the NorthwestGroup practice

Quick answers

Where does Jan D. Weichsel see patients?
Medicare's clinician data lists 3 practice locations, including Clackamas, OR and Portland, OR. Call before your visit to confirm the address.
What is Jan D. Weichsel's specialty?
Medicare lists Family Practice as the primary specialty.
Does Jan D. Weichsel accept Medicare assignment?
Yes. Medicare's clinician data says Jan D. Weichsel accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Jan D. Weichsel?
(800) 813-2000, as listed in official Medicare / NPI Registry data.
What is Jan D. Weichsel's NPI number?
1558776591. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Jan D. Weichsel is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jan D. Weichsel as a member of this group (CMS data updated 2026-10-02).

  • Kaiser Foundation Health Plan of the Northwest1,807 clinicians in the group

Specialties

Find other Family Practice doctors in Oregon →

Other family doctors in Clackamas

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

All family doctors in Clackamas →

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558776591
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians