NPPES file of Aug 9, 2026

Joyce Ann O'Shaughnessy, MD

Medical Oncology Physician · Dallas, TX

Joyce Ann O'Shaughnessy, MD is a medical oncology physician with a practice address in Dallas, Texas, and NPI 1790727709, issued on Jun 12, 2006. Check the license (Texas K3366, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790727709
Name
Joyce Ann O'Shaughnessy
Credential
MD
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
K3366 TX
Self-reported in NPPES; status is on the state search
Practice location
3410 Worth St Ste 400, Dallas, TX 75246
Phone
(214) 370-1000
Enumerated
Jun 12, 2006
Record last updated
Apr 24, 2025
Fax
(214) 370-1986
Medicaid IDs
129007402 TX
129007401 TX
129007404 TX
Medicare enrollment
Enrolled (PECOS I20060509001047); accepts Medicare assignment
Medical or professional school
Yale University School Of Medicine, 1982
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3410 Worth St Ste 400

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Laith Abushahin, MBBSMedical Oncology Physician1326288564
  2. Carlos Becerra, M.D.Medical Oncology Physician1235171281
  3. Stephanie Broussard, LCSWClinical Social Worker1609305952
  4. Nicole Cagliostro, MSN, APRN, FNP-CFamily Nurse Practitioner1295617223
  5. Bradley Christensen, MDHematology & Oncology Physician1720475874
  6. Ricinda Coleman, RNAcute Care Nurse Practitioner1487415352

Verify Joyce Ann O'Shaughnessy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K3366
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Texas license search

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3.0 times the Medicare Part D claims of the average medical oncology physician in 2024

2,112 Medicare Part D claims for 393 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 12 claims were for opioids.

  1. Joyce O'Shaughnessy2,112
  2. Specialty average703

Most prescribed

  1. Anastrozole552 claims
  2. Letrozole430 claims
  3. Trazodone Hcl100 claims
  4. Verzenio80 claims
  5. Duloxetine Hcl70 claims
  6. Escitalopram Oxalate68 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 89.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $116,998.92

100 payments; by number, the most common kind was consulting fee; the largest payer was Merck Sharp & Dohme LLC. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joyce O'Shaughnessy$116,999
  2. Specialty average$11,773

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Texas Oncology PADallas, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Medical Oncology Physician providers in Texas

There are 547 medical oncology physician records in Texas.

Other medical oncology physician records in Texas

  1. Chinemerem Abanonu, MDKaty, TX1396972659
  2. James Abbruzzese, M.D.Houston, TX1134233224
  3. Maen Abdelrahim, MDHouston, TX1518227735
  4. Sausan Abouharb, M.DHouston, TX1205097599
  5. Fadi Abu-Shahin, MDHouston, TX1215123971
  6. Laith Abushahin, MBBSDallas, TX1326288564
  7. John Adams, DOArlington, TX1548262900
  8. Kerin Adelson, M.D.Houston, TX1285846790
  9. Sachin Agarwal, M.D.College Station, TX1386867448
  10. Cristi Aitelli, D.O.Fort Worth, TX1578773511

Common questions

What is Joyce Ann O'Shaughnessy, MD's NPI number?

Joyce Ann O'Shaughnessy, MD's National Provider Identifier (NPI) is 1790727709, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joyce Ann O'Shaughnessy, MD located?

The NPPES record lists a practice address at 3410 Worth St Ste 400, Dallas, TX, 75246. Phone: (214) 370-1000. Providers update this record themselves, so call before visiting.

How can I verify Joyce Ann O'Shaughnessy, MD's license?

NPPES lists Texas license number K3366, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joyce Ann O'Shaughnessy, MD prescribe under Medicare Part D?

In 2024, Joyce Ann O'Shaughnessy, MD had 2,112 Medicare Part D claims for 393 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.

What is Joyce Ann O'Shaughnessy, MD's MIPS final score?

The 2023 MIPS final score is 89.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.