NPPES file of Aug 9, 2026

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Massachusetts

228 NPPES records list thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Massachusetts, 3.3 per 100,000 residents, the 2nd highest rate of 51. Boston and Worcester have the most; each record links to the provider's NPI and the Massachusetts license search. Page 5 of 5.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 208G00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Boston has the most, 138

  1. Boston138
  2. Worcester19
  3. Springfield15
  4. Burlington14
  5. Fall River6

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician records in Massachusetts

  1. John Urschel, M.D.Worcester, MA 016551053405928
  2. Karl Uy, M.D.Worcester, MA 016051548226723
  3. Thomas Vandersalm, MDSalem, MA 019701265423198
  4. Panayotis VardasBoston, MA 021111801181649
  5. Christina Vassileva, M.D.Burlington, MA 018051124172135
  6. Gus Vlahakes, MDBoston, MA 021141831189737
  7. John Wain, MDBoston, MA 021151164413449
  8. Jennifer Walker, MDWorcester, MA 016551710978267
  9. Kelly Wanamaker, M.D.Springfield, MA 011071578713939
  10. Kenneth Warner, M.D.Springfield, MA 011071992817357
  11. Ammara Watkins, M.D.Burlington, MA 018051790071546
  12. Stephanie Wayne, MBBS B MED SCIBoston, MA 021141174306039
  13. Rebecca Weaver, M.D.Framingham, MA 017021053312843
  14. Jon Wee, MDBoston, MA 021151669495602
  15. Brian Whang, M.D.Boston, MA 021151669656740
  16. Richard Whyte, M.D.Boston, MA 022151982601373
  17. Daniel Wiener, M.D.West Roxbury, MA 021321528164282
  18. Ory Wiesel, M.D.Boston, MA 021151578970976
  19. Fatima Wilder, M.D.Boston, MA 021151386933984
  20. Christina Williamson, MDBurlington, MA 018051962565283
  21. Jennifer Wilson, MDBoston, MA 022151871826644
  22. Cameron Wright, MDBoston, MA 021141477543288
  23. Chi-Fu Yang, M.D.Boston, MA 021141104117449
  24. John Young, M.D.Boston, MA 021151083925093
  25. Christopher Zambrano, D.O.Fall River, MA 027201184990525
  26. Lambros Zellos, MD MPHBoston, MA 021151982691044
  27. Marco Zenati, M.D.Boston, MA 021151306812383
  28. Yong Zhan, M.D.Boston, MA 021111881990364

Source: CMS NPPES, primary taxonomy 208G00000X: records by practice city and the list of records, file of Aug 9, 2026.

Massachusetts ranks 2 of 51 per resident

  1. District of Columbia4.4
  2. Massachusetts3.3
  3. Pennsylvania2.9
  4. Minnesota2.8
  5. 50 states and D.C.1.9

Source: CMS NPPES, primary taxonomy 208G00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

67.5% of these records appear in a Medicare file, against 76.2% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Massachusetts67.5%
  2. United States76.2%

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician records in Massachusetts, measured

  • In a Medicare file154 of 228 · 67.5% here, 76.2% nationally
  • In the CMS Doctors and Clinicians file131 · 57.5% here, 63.5% nationally
  • Not updated in five years or more124 · 54.4% here, 54.0% nationally
  • Median graduation year1998 · the 131 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 208G00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

228 NPPES records list thoracic surgery (cardiothoracic vascular surgery) physician (208G00000X) as their primary taxonomy with a practice address in Massachusetts: 3.3 per 100,000 residents against 1.9 nationally (50 states and D.C.). Boston has 138 of them (61%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Michigan208
  2. Illinois265
  3. Minnesota163
  4. North Carolina157

States with a similar rate per 100,000

  1. Pennsylvania2.9
  2. Delaware2.7
  3. Ohio2.6
  4. Kentucky2.4

The largest states

  1. California634
  2. Texas484
  3. Florida468
  4. New York446
  5. Pennsylvania377

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record 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.