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Radiation Oncology

Simon S. Lo, MD

Works at hospitals in Seattle, WA · Washington

Summary

Simon S. Lo, MD (Radiation Oncology) is listed by Medicare at 1 hospital in Seattle, WA. NPI 1932163680. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Simon S. Lo, 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

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
35Years since medical school (graduated 1991)
MaleGender (as listed)
The Association of University PhysiciansGroup practice

Quick answers

Which hospitals does Simon S. Lo work at?
Medicare's official clinician data lists Simon S. Lo at 1 hospital: University of Washington Medical Ctr. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Simon S. Lo see patients?
Medicare's clinician data lists 5 practice locations, including Seattle, WA. Call before your visit to confirm the address.
What is Simon S. Lo's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Simon S. Lo accept Medicare assignment?
Yes. Medicare's clinician data says Simon S. Lo 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.
Does Simon S. Lo offer telehealth?
Medicare's clinician data says Simon S. Lo offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Simon S. Lo?
(206) 364-0500, as listed in official Medicare / NPI Registry data.
What is Simon S. Lo's NPI number?
1932163680. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Simon S. Lo works

Medicare's Facility Affiliation Data lists Simon S. Lo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Simon S. Lo is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Simon S. Lo as a member of this group (CMS data updated 2026-10-02).

  • The Association of University Physicians3,535 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Washington →

Other radiation oncologists in Seattle

Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.

All radiation oncologists in Seattle →

Clinician information

CredentialMD
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1932163680
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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