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Hospitalist

Kathleen Sher, MD

Works at hospitals in Portland, OR · Oregon

Summary

Dr. Kathleen Sher, MD is a hospitalist at 5050 NE Hoyt St, Suite 240, Portland, OR 97213. Phone: (503) 215-6480. Accepts Medicare assignment. In 2024, Kathleen Sher had 111 Original Medicare patients and 275 services. NPI 1215173836. 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: Hospitalist
  • Address: 5050 NE Hoyt St, Suite 240, Portland, OR 97213 · Directions (1 more location)
  • Phone: (503) 215‑6480
  • Medicare: Accepts Medicare assignment
  • Hospital: Providence St Vincent Medical Center
  • Group practice: Providence Health and Services Oregon
  • Medical school: Jefferson Medical College Of Thomas Jefferson University · graduated 2008 (18 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kathleen Sher, 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 Kathleen Sher accept Medicare assignment?
Yes. Medicare's clinician data says Kathleen Sher 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 Kathleen Sher see?
In 2024, CMS data shows 111 Original Medicare patients and 275 services for Kathleen Sher. This counts Original Medicare only and measures volume, not quality.
What is Kathleen Sher's NPI number?
1215173836. 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 Kathleen Sher, 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 patients111
Services billed to Medicare275
Different services or procedures6
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)117 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)104 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)27 services
  4. Hospital discharge day management, more than 30 minutes (99239)23 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%
  • High cholesterol75%
  • Heart failure52%
  • Arthritis51%
  • Chronic kidney disease47%
  • Diabetes41%

Hospitals where Kathleen Sher works

Medicare's Facility Affiliation Data lists Kathleen Sher 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 Kathleen Sher is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Providence Health and Services Oregon1,433 clinicians in the group

Specialties

Find other Hospitalist doctors in Oregon →

Other hospitalists in Portland

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

All hospitalists in Portland →

Other clinicians in Providence Health and Services Oregon

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

Clinician information

CredentialMD
Medical schoolJefferson Medical College Of Thomas Jefferson University
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215173836
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