Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mark Dennis Widmann, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1982674248

Mark Dennis Widmann, MD is a Thoracic Surgery in Morristown, New Jersey. Graduated from Yale University School of Medicine in 1987, 39 years ago. Practices with Practice Associates Medical Group, a 1,403-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New Jersey.

Years since qualifying
39
Trained at
Yale University School of Medicine
Licensed in
NJ
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

100 Madison Ave Ste 4101
Morristown, NJ 07960-6136
Phone: (973) 644-4844
Fax: (973) 644-4776
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 25MA06311100 (NJ)

Record details

NPI number1982674248
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 26, 2006
Last updated in NPPESNovember 21, 2016
Mailing addressPo Box 416457, Boston, MA 02241-6457

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyTHORACIC SURGERY
Also practisesGENERAL SURGERY
Medical schoolYALE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Practice Associates Medical Group — 1403 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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