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Medical Oncology

Joyce A. O'Shaughnessy, MD

Works at hospitals in Grapevine, TX · Plano, TX · Rowlett, TX … · Texas

Summary

Joyce A. O'Shaughnessy, MD (Medical Oncology) is listed by Medicare at 5 hospitals in Grapevine, TX, Plano, TX and Rowlett, TX and other places. NPI 1790727709. 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 Joyce A. O'Shaughnessy, 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
44Years since medical school (graduated 1982)
Yale University School Of MedicineMedical school
FemaleGender (as listed)
Texas Oncology PAGroup practice

Quick answers

Which hospitals does Joyce A. O'Shaughnessy work at?
Medicare's official clinician data lists Joyce A. O'Shaughnessy at 5 hospitals: Baylor Scott & White Medical Center Grapevine, Baylor Scott & White Medical Center Plano, Baylor Scott and White Medical Center Lake Pointe, Baylor University Medical Center and Hunt Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Joyce A. O'Shaughnessy see patients?
Medicare's clinician data lists 2 practice locations, including Dallas, TX and Weatherford, TX. Call before your visit to confirm the address.
What is Joyce A. O'Shaughnessy's specialty?
Medicare lists Medical Oncology as the primary specialty, and also Internal Medicine.
Does Joyce A. O'Shaughnessy accept Medicare assignment?
Yes. Medicare's clinician data says Joyce A. O'Shaughnessy 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 Joyce A. O'Shaughnessy offer telehealth?
Medicare's clinician data says Joyce A. O'Shaughnessy offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Joyce A. O'Shaughnessy?
(214) 370-1000, as listed in official Medicare / NPI Registry data.
What is Joyce A. O'Shaughnessy's NPI number?
1790727709. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Joyce A. O'Shaughnessy works

Medicare's Facility Affiliation Data lists Joyce A. O'Shaughnessy 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 Joyce A. O'Shaughnessy is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Joyce A. O'Shaughnessy as a member of this group (CMS data updated 2026-10-02).

  • Texas Oncology PA1,014 clinicians in the group

Specialties

Find other Medical Oncology doctors in Texas →

Other oncologists in Dallas

Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.

All oncologists in Dallas →

Clinician information

CredentialMD
Medical schoolYale University School Of Medicine
Graduation year1982
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1790727709
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