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Medical Oncology

May C. Chen, MD

Works at hospitals in Mountain View, CA · San Jose, CA · Stanford, CA … · California

Summary

May C. Chen, MD (Medical Oncology) is listed by Medicare at 4 hospitals in Mountain View, CA, San Jose, CA and Stanford, CA and other places. NPI 1386603447. 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 May C. Chen, 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

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
33Years since medical school (graduated 1993)
Yale University School Of MedicineMedical school
FemaleGender (as listed)

Quick answers

Which hospitals does May C. Chen work at?
Medicare's official clinician data lists May C. Chen at 4 hospitals: El Camino Health, Good Samaritan Hospital, Stanford Health Care and Stanford Health Care Tri-Valley. This is where the clinician works or has privileges; call the hospital to confirm.
Where does May C. Chen see patients?
Medicare's clinician data lists 1 practice location in Burr Ridge, IL. Call before your visit to confirm the address.
What is May C. Chen's specialty?
Medicare lists Medical Oncology as the primary specialty.
Does May C. Chen accept Medicare assignment?
Yes. Medicare's clinician data says May C. Chen 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 May C. Chen offer telehealth?
Medicare's clinician data says May C. Chen offers telehealth services. Ask the office which visits can be done by video or phone.
What is May C. Chen's NPI number?
1386603447. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where May C. Chen works

Medicare's Facility Affiliation Data lists May C. Chen 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 May C. Chen is enrolled with Medicare (CMS data updated 2026-10-02).

  • 150 Harvester Dr, Suite 300Burr Ridge, IL 60527

Specialties

Find other Medical Oncology doctors in Illinois →

Other oncologists in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All oncologists in Illinois →

Clinician information

CredentialMD
Medical schoolYale University School Of Medicine
Graduation year1993
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1386603447
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